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All About Zcoin

All About Zcoin

https://preview.redd.it/hixbz9f3lxm31.jpg?width=1200&format=pjpg&auto=webp&s=43896de84a3693d840c84057c0314af71718f0a3
What is Zcoin?
Zcoin, also referred to as XZC or Zerocoin, is an open source decentralized cryptocurrency that provides privacy and anonymity for its users when making transactions.
To achieve its privacy and anonymity, Zcoin uses zero-knowledge proofs via the Zerocoin protocol, which is at this moment in time one of the most cited cryptography papers.
According to Wikipedia, in cryptography, a zero-knowledge proof or zero-knowledge protocol is a method in which one party proves to another party (the verifier) that a given statement is actually true.
In other words, in a transaction with Bitcoin or Ethereum or something similar, your transaction history is always linked to your coins by default, leaving you vulnerable. All it takes is one link to your personal information or IP to find out the origin of the coins.
However, when you trade with Zcoin’s Zercoin feature, your transaction history is not linked to the actual coins. Only the receiver and sender know that the funds have actually been exchanged.

How Does Zcoin Work?

Zcoin works on the Zerocoin protocol by enforcing Zero-knowledge proofs. Here are the components of Zcoin to explain how it works.
Mint: When sending a private transaction with Zcoin, all you need to do is select the number of coins you want to mint. Post that your normal Zcoin balance would reduce automatically and you will be credited with new coins and no transaction history. In essence, your old coins are burned cryptographically, which prevents anyone else from using them again and being directed to your transaction history. You get credited with new coins with no history, while the total supply is maintained.
For now, you can only mint in denominations of 1, 10, 25, 50 and 100. If you choose ‘100’ coins to be minted, for instance, you will instantly be credited with 100 new Zcoins with no history attached to them.
  • Spend: When you want to make a private transaction, you will be required to use these ‘100’ newly minted coins. From this pool of funds, you can now send any amount in any denomination to anyone anonymously because no history is attached to it.
  • Repeat: You can ‘mint’ and ‘send’ Zcoins any number of times at anytime with your privacy intact.

Zcoin’s Vision

Zcoin seeks to improve things that Bitcoin hasn’t been able to so far, some of which include fungibility, privacy and miner’s centralization.
Users of Zcoin can enjoy full fungibility and privacy along with demolishing miner’s centralization by implementing a better proof of work algorithm called MTP.
Total Zcoin supply
Only 21 million units of Zcoin will ever be produced. Currently, there are about 3.4 million units in circulation, with the rest yet to be mined.
But the total supply has increased by 388450 XZC units after a Zcoin code bug, which the team refused to roll back due to economic reasons, which is why the total supply stands at approximately 21.4 million.
Every 10 minutes, a Zcoin block is mined and 50 coins are generated, making 72,000 Zcoins per day.
Market cap of Zcoin
According to CoinMarketCap, the total circulating supply of Zcoin is 5,757,841 XZC and the current unit price is $9.6. That makes the market cap approximately $55 million*.*
https://preview.redd.it/qw2igvupoxm31.png?width=1080&format=png&auto=webp&s=cfaa195d5d75ba8f20e5894d0351b2eabf76825a

How To Buy Zcoin Cryptocurrency

If you are looking to get some Zcoin, here is a list of resources where it can be bought from.
  • Atomars – Supported pairs are XZC/BTC, XZC/ETH, XZC/USDT
  • Binance - Supported pairs are XZC/BTC, XZC/ETH, XZC/BNB
  • Huobi - Supported pairs are XZC/BTC, XZC/ETH
  • Bittrex - Supported pairs are XZC/BTC
  • Cryptopia - Supported pairs are XZC/BTC, XZC/LTC, XZC/DOGE
  • CoinExchange - Supported pairs are XZC/BTC
  • LiteBit.eu - Supported pairs are XZC/EUR
Note: At the moment, buying XZC in fiat currencies such as USD, EUR, or GBP is quite difficult.
https://preview.redd.it/rrwao97woxm31.png?width=1460&format=png&auto=webp&s=442bf152f86a63300c5c4a029bb07369a69e6f70
Zcash:
Zcash is a decentralized and open-source peer-to-peer cryptocurrency that provides strong privacy protections. It was created as a fork of Bitcoin and, like bitcoin, it also has a hard limit of 21 million coins. Unlike bitcoin, however, Zcash offers total privacy for its users maintaining the absolute anonymity behind each transaction along with the parties and the amounts involved in it.
PIVX:
PIVX, which stands for Private Instant Verified Transaction, is an open-source, decentralized form of digital online money that uses blockchain technology. This makes it easy to transfer all around the world in an instant with low transaction fees with market leading security & privacy. PIVX focuses on privacy, security, anonymity, and instant transactions.
Monero:
Monero is a fast, private, secure and untraceable digital currency system that uses a special kind of cryptography to keep all its transactions 100% unlinkable and untraceable. With Monero, you are your own bank. You can spend safely, knowing that others cannot see your balances or track your activity.
Some Zcoin misconceptions
There are some misconceptions regarding Zcoin:
  • Some believe that, since Zcoin has a trusted setup that allows indefinite minting of coins, it is not safe. This is untrue. Of course, to start with they had to use a trusted setup because they have an auditable total coin supply that prevents any form of cheating. This downside however, is being taken care of by removing this trusted setup in the near future and when that happens, Zcoin will be one of the serious coins to count on for privacy.
  • Zcoin has been considered as Zcash’s fork but that is also not true because Zcash is based on the Zerocash protocol whereas Zcoin was started from scratch by applying Zerocoin tech.
Now that some of the Zcoin’s misconceptions have been cleared, here’s a look into its future.

Zcoin’s Future & Roadmap

Zcoin’s future is quite promising and worth watching based on these interesting milestones on their roadmap:
  • Zcoin is the first coin to implement MTP proof of work, which makes it possible for general masses to mine Zcoin with GPUs and CPUs. MTP doesn’t allow costly ASIC-like miners to mine XZC coins.
  • Zcoin is also implementing Znodes to make their cryptocurrency more decentralized and anonymous. These Znodes will be like masternodes and facilitate anonymous transactions as making an anonymous transaction single-handedly is quite computational.
  • Znodes will be incentivized by reducing some portion of the founder’s reward. Also, the surplus funds that get generated from the founder’s reward reduction would be used for hiring new developers and increased marketing efforts.
  • Another agenda on their roadmap is to bring inbuilt Tor or some IP obfuscation mechanism that will make it completely anonymous.
  • Apart from these, some innovative and exciting things like sigma protocol, decentralized anonymous voting and Zcoin Labs are on their roadmap, making this project worth checking out.
  • Last but not least, its recent price is a good indicator of its healthy market sentiment and shows that there are people who understand this project’s worth. Just to put things into perspective – a unit of Zcoin was priced $2 in March 2017 and now it is $37*.*

Zcoin Team & Progress

Zerocoin is a cryptocurrency proposed by professor Matthew D. Green, a professor of Johns Hopkins University, and graduate students Ian Miers and Christina Garman. It was proposed as an extension to the Bitcoin protocol that would add true cryptographic anonymity to Bitcoin transactions.
Zerocoin was first implemented into a fully functional cryptocurrency and released to the public by Poramin Insom, the lead developer, as Zcoin in September 2016.
Some of the notable dev members of the team are listed below.
Poramin Insom
Founder and Core Developer
Poramin Insom created what was the world's 4th most valuable cryptocurrency in February 2014. He is also the world's first person to implement stealth addresses in QT-Wallets, improving cryptocurrency anonymity. He earned a master’s degree in Information Security from Johns Hopkins University, where he wrote a paper on a proposed practical implementation of the Zerocoin protocol.
Alexander N.
Developer
Alexander N. aka Aizensou is a full-stack developer who has experience in many programming languages (C++, C#, Python, Perl, Java etc.) and has been involved in the cryptocurrency space since 2013. He has a broad development portfolio from low level APIs in Python and C++ to Android native applications in Java. In addition to his involvement in cryptocurrencies, Alexander was doing his P.h.D. in machine learning at a German university from 2012 to 2016.
Saran Siriphantnon
Developer
Saran Siriphantnon is the CTO of Satang.co/Satoshift, a fintech company focusing on creating an open financial system for Southeast Asia. He served as President of the Computer System Administrator Group at King Mongkut's Institute of Technology Ladkrabang.
Tadhg Riordan
Solidity Developer
Tadhg Riordan is a 24 year old Software Developer from Wexford, Ireland. He recently completed his MSc from Trinity College Dublin, where he worked with Blockchain privacy mechanisms, focusing particularly on Zero-Knowledge Proofs and the Ethereum platform. He is a strong advocate for the adoption of cryptocurrency and for complete financial privacy.
Apart from these, their team comprises of other developers, community managers, support personnel and advisors who maintain the required balance.

Advisors:

Aram Jivanyan (Cryptography Advisor): Co-Founder at Skycryptor & KMSchai
Torphop Korgtadam (It Security Consultant): Senior Vice President, Head Of Internal Audit Strategy, Innovation and Decision Science at United Overseas Bank Limited
Alexander N. aka Aizensou (Advisor)

Unique/Key Features Against Its Competitors:

  • Anonymous transactions. The project establishes a notably higher level of anonymity and seeks to bypass current analysis techniques which governments use to reveal the identity of users.
  • Not subject to transaction graph analysis. Zcoin has an anonymity set that encompasses all minted coins in a particular RSA accumulator that can scale to many thousands.
  • Innovative process. Tokens are burned cryptographically and replaced with new coins without a transaction history. This actively prevents anyone else from using the tokens again and stops the public from being directed to a user's transaction history.
  • Transparency focused. Zcoin's main advantage is its auditable money supply.
submitted by atomarsofficial to Atomars [link] [comments]

Clones of Pomf.se, a former image host | #2

Previous post.
Pomf.se was an image host that closed down recently. Already, a bunch of usable clones have popped up. All of them are free.

More clones can be found here and here

Pantsu.cat or sr.ht, a private image hosting service

What the frontpage looks like (Taken 10 September 2016)
PROS:
  • It's open source(?).
  • No ads!
  • Max file size of 128MiB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • It uses HTTPS!
  • All filetypes are allowed, ALL! (gif,exe,jpg,rar,ass,srt,etc,etc).
  • "No data is collected or logged by us. This won't change."
  • if any changes happen to the FAQ, "you will be informed about them".
  • "I will keep the site as transparent as possible. This will include any files that I remove will be publicly listed and have a copy of the DMCA notice. For more information please visit the transparency information page."
  • You can type and save text in Plain, HTML5, CSS, Javascript, PHP, Python, Ruby, Lua, Bash, Erlang, Go, C, C++, Diff-output, LaTeX, SQL, XML. 4CS and MOS 6502. Before uploading, you can encrypt it, shorten the link, make private, and choose how long it stays. There is a text feed.
  • It supports ShareX
  • It's transparency page features a ton of info
  • It has an onion link
  • It provides a text paste.
  • The source code is public to members, as are various tools
CONS:
  • The URL shorterner page appears to be dead
  • The image host has been made private. The only way to gain access is to request and wait.
  • The name.
  • Max file size of only 128MiB
  • No image thumbnail.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.
  • Pantsu does NOT support Internet Explorer and older versions of Firefox, Chrome, Opera and Safari.

Social

#getrekt on irc.rizon.net

Extra Stuff

Onion: http://mg7aqol36qpx7oij.onion/
Transparency
Pantsu Paste
Madokami.com, Kawaii File Hosting

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • The design is simple and without clutter, as well as aesthetically pleasing.
  • Kawaii anime girls.
  • Max upload size is 256MiB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • It uses HTTPS!
CONS:
  • As of 15th November 2015, I am unable to access the site.
  • Max upload size is only 256MiB
  • No image thumbnail.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.

Extra Stuff

Github
Kyaa.sg, Kawaii File Hosting.

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • Kawaii anime girls.
  • Max upload size is 50MiB.
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • Almost all filetypes are allowed. Only Windows executables and screensavers are disallowed at this point. (gif,jpg,rar,ass,srt,etc,etc are ALLOWED!).
  • It supports ShareX.
  • It supports HTTPS.
CONS:
  • My old images appear to have been deleted
  • It doesn't appear to work with embedly. In other words, no thumbnails next to reddit link posts.
  • "No logs are kept, no logs over uploading nor over downloading."
  • "HTTPS has issues sometimes, most prominent if you're using ShareX. In those instances, use HTTP instead!"
  • Windows executables and screensavers are not allowed.
  • No image thumbnail.
  • Max upload size is only 50MiB.
  • No profiles.
  • Internet Explorer and older versions of Firefox, Chrome, Opera and Safari are not supported.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.

Extra Stuff

FAQ
Tools
Report Abuse
up.che.moe, Cancerous File Hosting.

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • Max upload size is 50MiB.
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • The design is simple and aesthetically pleasing.
CONS:
  • executables are deleted every 24hrs
  • My ISP has blocked my old image links due to a virus threat
  • It uses HTTP.
  • The layout that appears after you upload an image looks like it was squashed together.
  • No image thumbnail.
  • Max upload size is only 50MiB.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums

Extra stuff

Uploader (download warning)
Openhost.xyz, Open File Hosting.

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • You can upload up to 100 MB over HTTPS, use direct.openhost.xyz to upload up to 1024 MB.
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • Kawaii anime girls.
  • All filetypes are allowed, ALL! (gif,exe,jpg,rar,ass,srt,etc,etc).
  • "We will try to keep your file forever."
  • "No logs are kept, no logs over uploading nor over downloading. Don't listen to us, use Tor. We're Tor friendly"
CONS:
  • Appears to be down as off 10th September 2016.
  • direct.openhost.xyz links to a "philosophy of rape" page...
  • It doesn't appear to work with embedly. In other words, no reddit thumbnails.
  • No content illegal in the Netherlands.
  • "Be mindful that this is designed as a public utility, not your personal backup service."
  • Openhost does NOT support Internet Explorer and older versions of Firefox, Chrome, Opera and Safari.
  • No image thumbnail.
  • Max upload size is only 1024MiB.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.

Extra Stuff

bitcoin: 1J22mD6XcE9RTmhMnDTuc9oUcoXTN3cHCu
FAQ
NyanIMG.com, Nyanified File Hosting.

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • Allowed Filetypes: JPG PNG BMP GIF
  • No ads!
  • Max Upload Size: 10 MB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • Gives you the option to create a short url using tinyurl
  • Allows you to edit the size of your images
  • It supports ShareX.
CONS:
  • My old images appear to have been deleted
  • No image thumbnail.
  • It uses HTTP.
  • Only JPG PNG BMP GIF are allowed.
  • Max upload size is only 10 MB
  • No profiles.
  • NyanIMG does NOT support Internet Explorer and older versions of Firefox, Chrome, Opera and Safari.
  • "Any file can be removed or replaced at any time for any reason".
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.
  • NyanIMG.com does NOT allow the following: Images which violate copyrights or patents are not allowed. Images which contain gruesome scenes, such as dead people or mutilations.
  • "NyanIMG.com is provided as-is with no implied warranties of any kind. We can not be held responsible for the loss of data or other damages which may result from (and/or lack of) functionality of our service."
  • Aside from the homepage, the site is rather bland

Extra Stuff

Contact
BitCoin: 1KzrX4ryYfo2s9yS6w25sT75n2nSRyXBtR
Tools
TOS
g.zxq.co, Kawaii File Hosting.

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • Max Upload Size: 80MB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • Kawaii anime girls.
  • Supports ShareX.
  • On upload all files are allowed.
CONS:
  • No image thumbnail.
  • "Any file can be removed or replaced at any time for any reason."
  • "No logs are kept, no logs over uploading nor over downloading. "
  • g.zxq.co does NOT support Internet Explorer and older versions of Firefox, Chrome, Opera and Safari.
  • The ShareX and Abuse/DMCA pages are basic.
  • It uses HTTP.
  • The name and URL format.
  • Max upload size is only 80MB.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.
  • .exe files are deleted with a cronjob every half an hour.

Social

Twitter

Extra Stuff

Abuse/DMCA
FAQ
Teamspeak: zxq.co
Tools
gallium.ga

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • Max Upload Size: 1GiB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
CONS:
  • As of 2015-10-24, Gallium no longer appears to work.
  • No image thumbnail.
  • The site is simple and bland.
  • It uses HTTP.
  • Max upload size is only 1GiB.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.
Fuwa.se is a site "inspired" by Pomf.se.

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • No ads!
  • Max Upload Size: 10MiB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • It uses HTTPs.
  • The site is simple and aesthetically pleasing.
  • You can change what colour the background is, as well as the upload buttons.
  • Files may be uploaded via the web interface or by sending a POST request to fuwa.se/api/upload with the file[] key.
CONS:
  • No image thumbnail.
  • It doesn't appear to work with embedly. In other words, no thumbnails next to reddit link posts.
  • 'Tis a little slow.
  • Max upload size is only 10MiB.
  • No profiles.
  • Changing the background colours can be a bit fidgety.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • Executable files with certain extensions will not be allowed.
  • No albums.

Social

Twitter

Extra Stuff

Github
Transparency
Sugoi.vidyagam.es, Baka!

What the frontpage looks like (Taken 10 September 2016)
PROS:
  • 100MB is the size limit
  • Kawaii anime girls.
  • Open source (?).
  • No ads!
  • The site is simple and aesthetically pleasing.
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • 50MiB limit
  • ShareX support.
  • It uses HTTPS!
  • "No logs kept."
  • "Actively keeping the server secure."
  • Gives you a paste text tool
CONS:
  • 100MB is the size limit
  • .exe files are disallowed
  • It doesn't appear to work with embedly. In other words, no reddit thumbnails.
  • No image thumbnail.
  • No albums.
  • No profiles.
  • 50MiB limit
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • The name and domain are a bit of a mouthful.

Social

Blog
Twitter

Extra Stuff

Donate
ShareX code
Plebeianparty.com - Stellar File Hosting

What the frontpage looks like (Taken 17th, December 2015)
PROS:
  • It's open source(?).
  • No ads!
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • Max upload size is 50MiB
  • All filetypes are allowed, ALL! (gif,exe,jpg,rar,ass,srt,etc,etc).
CONS:
  • Appears to be down as off 10th September 2016.
  • Max upload size is only 50MiB
  • It uses HTTP!
  • No image thumbnail.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.
  • Plebeianparty does NOT support Internet Explorer and older versions of Firefox, Chrome, Opera and Safari.
  • "Any file can be removed or replaced at any time for any reason." - From the FAQ.

Social

IRC

Extra Stuff

FAQ
Cuntflaps.me or the SFW variant Fluntcaps

What the frontpage looks like (Taken 17th, December 2015)
PROS:
  • It's open source(?).
  • No ads!
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
  • Max upload size is 200MiB
  • "I do not log IPs and do not track site usage via botnet scripts. Sure, nginx does its access log which gets cleaned every few days." - From the FAQ.
CONS:
  • EXE files have been blocked
  • Max upload size is only 200MiB
  • The name.
  • It uses HTTP!
  • No image thumbnail.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.
  • Acording to a Twitter statement, it's only a few months 'till donations will be a necessity.

Social

Twitter

Extra Stuff

bitcoin:1EdYqPfxgxjGKkpBBZ9e9gMyrsPfGnQNgV?label=cuntflaps.me&message=Donation
Donators
FAQ
Tools
Cat Girls Are Sexy

What the frontpage looks like (Taken 10, September2016)
PROS:
  • It's open source(?).
  • No ads!
  • You can upload more than one image at once.
  • Max upload size is 100MiB
CONS:
  • As of the 17th of December, I am unable to upload any images to the site. It's been broken since at least the 15th of December 2015.
  • The site is now a private image hosting site and you'll need to request access
  • Max upload size is only 100MiB.
  • The name.
  • It uses HTTP!
  • No image thumbnail.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.

Social

#getrekt on irc.rizon.net.
Domain owners Steam account
Steam account for the website owner
Steam Community
matu.red

What the frontpage looks like (Taken 05 October 2015)
PROS:
  • It's open source(?).
  • No ads!
  • Kawaii anime girls.
  • Max upload size is 20MiB
  • You can drag and drop or directly upload images from your comp.
  • You can upload more than one image at once.
CONS:
  • As of 03rd November, 2015, I am unable to access the site without the Administrators login details, which I don't have. From an email to WubTheCaptain, "Because people were uploading CP and bestiality, which is against the rules. I've deleted the offending files. I won't allow other people to upload from now on and intend to keep the site to myself". As of 17th, December 2015, I can no longer connect to the site.
  • Max upload size is only 20MiB
  • Right in the middle of the page is bolded text which reads, "weed".
  • It uses HTTP.
  • No image thumbnail.
  • No profiles.
  • No image feed or social aspect.
  • It only gives you a direct link.
  • No editing options.
  • No albums.

Extra Stuff

Patreon
submitted by Madbrad200 to imguralternatives [link] [comments]

Insights into Obsidian Platform’s ODN cryptocurrency

In a nutshell, what are the key advantages of Obsidian?
ODN is a stakeable coin, will users only be able to stake through Masternodes?
Currently we have determined that all nodes will be able to stake.
Masternodes are the only nodes that will return fee transfers from Obsidian Secure Messenger (OSM), and future services. Masternode specific attributes may expand in the future, as we create different ways to incentivise them.
What is the expected ROI for Obsidian Masternodes?
To host a Masternode 10,000 ODN is required as collateral, and the expected return is approximately 10% annually.
In addition it is technically possible for users to pool the required ODN to host a Masternode. However, unless a user trusts someone with their private key there’s no specific automated function to allow node sharing. This is realistically a low-priority feature right now.
Is there a public repository of code relating to the Obsidian Platform?
Yes, we have several projects in our public repo on github.
This all sounds great, but are there any applications that are already developed for the Obsidian Platform?
Yes there is, we have built the Obsidian Secure Messenger (OSM). This is already publicly available with support on Slack. Users are testing alpha builds of OSM on Windows 10 right now. Here is the public Alpha repository https://github.com/obsidianplatform/OSMAlpha
Regarding the Obsidian Secure Messaging application (OSM) that has been developed — how will Obsidian manage restrictions for peer to peer encryption by Governments?
Currently, there is no active restriction by any government that will have an immediate affect on Obsidian, especially due to the decentralised nature of the project. In terms of data-collection, well-established messaging apps at the very least collect anonymous metadata, and are frequently forced by law to release this data to the authorities. Obsidian collects absolutely no data, rendering a data release to government authorities void.
Additionally, OSM is an application which is integrated into the blockchain and developed as an open source project. No singular group will be responsible for the use of the app, removing any previously applicable jurisdiction.
What functionality is already implemented in the OSM messenger?
At launch, or soon thereafter, the messenger will have basic capabilities which include; text and binary file transfer, value (ODN) transfer. Post launch we have many features that we are looking to incorporate and encourage others to build off the Obsidian Platform. These include group chat, photo and video sharing, and other extensions.
Is an audio/video version of the messenger possible on the foundations laid this year?
This is something we have discussed, including STUN servers, to enable the very natural evolution of encrypted video and audio. We do in fact believe this is the next step in services offered by the Obsidian Platform.
Is there an ODN wallet?
Yes. We have a C++ QT wallet released. This is an interim wallet so that contributors and exchanges such as Bittrex can trade/use ODN. You can check out the public repo for our QT wallet on GitHub.
When is Obsidian going open source ?
We believe it is imperative to initially launch and refine the messenger product on our own blockchain, and look to open up access following successful testing. We intend to go open source once we have reached a point that we feel is safe for all including future collaborators.
When will the messaging app be launched on Android/iOS devices?
Obsidian is built with OS cross-compatibility and overall accessibility as near-term goals. A huge focus of ours is to create services that appeal to the mass market with mobile apps as a priority.
Android is a primary focus, as is iOS. Our team’s previous experience publishing on Apple’s store has taught us to be both careful and cautious about their very particular sign-up process. Once we have confirmed acceptance and adherence to iOS app guidelines, we will publish further information on our OSM app for iOS.
What are Curve25519 signing keys and why are they important for this project?
Elliptic Curve Diffie-Hellman is the most secure form of asymmetric key cryptography known today. It offers much more security than RSA at the same key length. No data is stored on a server at any point in time because there is no centralised server or organisation.
Our time-based auto-deletion feature is active at all times for encrypted payloads, which are temporarily stored on nodes.
In the Obsidian Platform white paper, there is mention of SegWit and Lightning networks, can you elaborate?
As many cryptocurrency veterans are no doubt aware, the current landscape calls for some changes to Bitcoin, and Stratis too, as they include a Bitcoin FullNode.
We will be working closely with our technical advisors, crypto community peers, and other strategic partners in order to assess the best way forwards in these areas. Our aim is to follow suit based on the implementation which Stratis makes. This is the benefit of using a tried and trusted base, where we can plan our actions on proven methods.
Source
submitted by cryptoyuz to CryptoCurrency [link] [comments]

The ultimate back-up plan: Your private key, stored in the block chain, encrypted

[edit: It is the ultimate back-up, but it doesn't mean it is the safest. I'm too tired to figure that out. I'm just explaining how to store a private key in the block chain, in case it is useful or can be made useful.]
I had that idea if someone is interested, though I guess people won't like it. It's a bit wild. We encrypt the key and put it in the block chain with a trick.
I'm not saying everyone should do this, but it could be useful to know it can be done.
If you trust encryption and your password more than back-ups or a third-party, then it could be nice. I'm no encryption expert but it should be strong enough.
"Instead of taking 1.3 quadrillion years, our magical cracking supercomputer would only need 328 trillion years." http://www.kotfu.net/2011/08/what-does-it-take-to-hack-aes/
If it's flawed or gets cracked after a billion years, I decline all responsibility. But you can be sneaky about it. I propose a sneaky trick at the end. It's a bit rough on the edges and crazy but I'll put it out there. If people like it, there are always ways to streamline.
Anyway, you can't memorize the key as you can memorize a password. It's true you can put it on paper; then lose the paper. You can encrypt it and keep it on hard drive, then lose the hard drive. Or on a service, and lose the service. The block chain though, is going to stay around as long as you need the key. So I suggest this whole alternative.
You can still put the information on paper if you want. But now, just your memory is enough. Just the password.
The drawback is the infinitesimal odd of someone finding out and spending a lot of years and resources on brute-forcing. I'm not sure what would be the odds of success. Just make it so decades of computing resource cost more than what's inside.
Now I'll explain how to do it from A to Z, for the few interested.
Plan: 0) Vanity 1) Get the key 2) Encrypt the key 3) Put the key in the block chain 4) Retrieval 5) Conclusion
0) Optional: Vanity I recommend a vanity address (choosing the first part of the address). So if worst comes to worst, you find it from memory in the block chain. And also, it's kinda neato. How-to: first, download VanityGen, direct/wiki. Extract it, then Open a console window at the location with shift-right click in the folder, if you have vista/7/8. Then type "vanitygen 1something" in it. It has to start with 1. If it's too long it'll take a lot of time. Ctrl-C to cancel if it's too long. Faster with GPU: oclvanitygen -D 0:0 1something (maybe broken atm) When you have the key, type "importprivkey mykey" in Help->Debug->Console of bitcoin-qt, to add it. Result of this optional step: A beautiful address which can be retrieved from memory if needed (after it has been seen in the block chain with a transaction)
1) Get the key - Download open source Pywallet: direct/profile - Extract pywallet.py somewhere. Shift-right click in the folder and "open a console window" - In the console, type: pywallet --dumpwallet dump.txt If your wallet is encrypted, then add --passphrase=PASSPHRASE Now you find the key in dump.txt. (note: it reads the wallet at C:\Users\x\Bitcoin) Result of this step: the private key; it looks like 51 characters starting with the number 5. (To delete dump.txt, you can use a software so it can't be recovered from HDD, like Recuva it seems)
2) Encrypt the key - Choose an algorithm. Personally, I pick AES-256. - Download a trustworthy program to encrypt text with the algorithm. Here are two with GUI I found. It's open source but I didn't check it, so it's not 100% safe: http://sourceforge.net/projects/textcrypt/ https://code.google.com/p/immediatecrypt/downloads/list They're both jar files. Maybe you can click them. Personally I have to go in the console; I'm so tired of that coffee cup. "C:\Program Files (x86)\Java\jre7\bin\java.exe" -jar ImmediateCrypt.jar. It gave me an error though. Not the other. Maybe someone can suggest better. - Choose a good password. It's all about the password (and the software). AES is weak with weak password. And crazy strong with a good password. This is not like websites with protection against brute-force. People can brute-force fully if they find out. I like psycho-pass method which is about a pattern on the keyboard instead of semantics. Side Info: http://www.jmir.org/2012/1/e10/ http://www.jmir.org/2013/8/e161/ Or a passphrase if you want. Here is a nice table with password entropy: http://en.wikipedia.org/wiki/Password_strength#Random_passwords Below 64 bits of entropy, it's too unsafe, it's too weak. We need 128 bits or above, as far as I know. That is 25 random alphanumeric. If you're feeling paranoid, 256 bits. You can check entropy of password roughly here: http://rumkin.com/tools/password/passchk.php Remember it is not like websites. There is no "Forgot password?" button. Memorize it permanently; and maybe write it down in your favorite book just in case, I don't know. Result of this step: the encrypted key. It doesn't matter what it looks like as long as it takes you back to the key when you click "Decrypt". (on a different software, preferably)
3) Put the key in the block chain It works by sending some minimum amount to fake addresses, with data encoded in the addresses. Can't try this part because I don't have bitcoins. :[ Only a wallet! If some liked the guide particularly: 1thxd4KJLhBMcfCYaVKYMA8Atv3Dfx9hb :3 I'll follow the method of this great article: http://www.righto.com/2014/02/ascii-bernanke-wikileaks-photographs.html (the blog is remarkable!) - We're supposed to split the encrypted key in chunks of 20 characters. Then convert from ASCII to hex. Last chunk we fill with extra zeros. I wrote a little javascript to do it all automatically! If you don't like it, find a software, or do it manually. Not tested much but seems to work for my test. I'll say how to know if it worked. Copy that: encrypted='';har=(encrypted.split ('').map(function(c){return c.charCodeAt(0).toString(16); }));ek="";har.forEach(function(c){ek+=c;});while(ek.length%40!=0)ek+='0';iEK=0;ek2='';while(ek.length>0){ek2+=ek.substr(iEK,iEK+40) + "\n";if(ek.length>=40)ek=ek.substr(40,ek.length-40);else ek='';};ek2;
Check eventual comments to know if it's a hack/broken mess.
I don't do much Javascript, or much anything. Paste the whole thing in the javascript console. To open the console: Chrome, Ctrl-Shift-J. Firefox, Ctrl-Shift-K. IE9, F12. Put your encrypted key between the '' right at the beginning, then enter.
This should display rows of 40-characters chunks of the encrypted key in hex format (numbers, and a to f). I have 6 chunks but it depends on encryption. It should give twice as much characters as the input except for last zeros, and follow this conversion table from Char to Hx column. If it doesn't, call the police. Or use some Ascii to Hex service.
Now we take these chunks one by one and use https://blockchain.info/q/hashtoaddress/the_hex_chunk to convert to BTC addresses.
Send spare money to each one (the strict minimum is suspect and it'd get found easily) in the right order (wait for 1 or 2 confirmations each time to be sure).
And we're done! The information is safe and cozy, in the block chain. Not safe from brute-forcing, but safe from ourselves; and that's safer, isn't it?
4) Retrieval
Alright, how do we go back from the addresses to the encrypted key? I can't try it myself, but apparently, according to the article: 1) Get the transaction ID on blockchain.info, by going to the wallet's profile 2) Go to http://blockexplorer.com/rawtx/your_transaction_id 3) There will be something like that: "out":[ { "value":"25.08603421", "scriptPubKey":"OP_DUP OP_HASH160 27a1f12771de5cc3b73941664b2537c15316be43 OP_EQUALVERIFY OP_CHECKSIG" } ]
And you need to translate the "27a1f12771de5cc3b73941664b2537c15316be43" part from hex to Unicode. The result should be the chunk of encrypted key, written in hex again. You put all the parts together in order, remove extra zeros. Then use a program to go back from hex bytes to ASCII. Maybe someone can do it or I'll put the javascript one of these days if people are interested; I don't think they'll be. Usually I'm serious and extensive but you can't imagine how tired I am these days, of everything. Anyway, you put that ASCII in the AES program with your password, you click Decrypt.
Then you have your private key.
If you do this, don't lose other back-ups until you have successfully retrieved the key, to know it works.
5) Conclusion I understand that there's a small chance that someone figures the transactions are data, reassembles the parts, has massive luck and breaks the crazy strong encryption with supercomputers and botnets in less than decades, or aliens hack your bitcoins with quantum computers, ect... But I don't know, that seems very unlikely to me; more unlikely than losing personal back-ups or third-parties being untrustworthy.
More importantly, it gives peace of mind of not having to manage back-up stuff. You can format your hard drive and burn your house down if you want without worrying about losing stuff; well, except the house. And maybe the wife. Or you go to prison 20 years, and it'll still be there. If some of you want to go to prison. I know of one.
Here's a complicated idea for the extra-extra-paranoid: You send just one letter by one letter of the encrypted key, into dozens of fake addresses, to which you send bitcoins you got from an exchange and not from the main wallet, and only you know the correct addresses/order with the data, because of a pattern in the other letters. For example, the 2nd letter of the 1st data part is the 1st letter of your password when it's hashed. The 3rd letter of the 2nd data part is the 2nd letter of your hashed password. Ect... And it's not true for the other parts. So you know the order, but not someone without the password. It can go like this for many parts, then maybe if you run out of letters you send through a different wallet. All other characters are misleading except the 1st one, or last one, being the key character. And you also send money to other fake wallets which are purely misleading. Even if a flaw in AES was found and it could be broken instantly, an attacker would have to find the correct combination even before the strong encryption brute-forcing, he can't even know if he has the right combination, and that can be a big number of combinations. You can do the math. It's exponential stuff, I think. That's something I just thought of quickly, and I don't know much about any of that. Someone can find better. (Maybe, or maybe not, there's something about the encryption output which makes it so we can find the order back without password, then we'd need some kind of trick to obfuscate the position or nature of key characters but I won't spend any more time on something likely to be wrong/uninteresting).
tl;dr: "It works by sending some minimum amount to fake addresses, with data encoded in the addresses. "
Point is, once we know we can store data in the block chain, there are plenty of ways to make it so we're never locked out from the main address.
Well, if you can remember the password.
I hope this was useful to someone!
Goodbye
submitted by yemethzi to Bitcoin [link] [comments]

GPU-friendly mining. 1m BTC market cap. 84m coins. 2.5 minute blocks. A Bitcoiner's report on Litecoin.

Litecoin, a Bitcoin-like Internet currency has seen its network gain significant hashing power in recent weeks, but the currency's long-term prospects remain unclear. This post aims to provide more information about the Litecoin network and currency.
In early to mid 2013, Bitcoin mining is likely to become largely unprofitable for GPU-miners due to the rise of efficient Bitcoin mining ASICs. It is expected that many GPUs will be removed from securing the Bitcoin network and will be redeployed for other purposes. Besides Bitcoin mining, there are three such uses for these GPUs: 1) gaming, 2) password recovery and security testing and 3) non-Bitcoin cryptocurrency mining. Since Litecoin is the cryptocurrency with the next greatest hashing power and is most efficiently mined with GPUs, understanding the current status of the Litecoin network and economy is desirable for those studying the options. Below, I have gathered information to help inform a decision on whether to commit resources to Litecoin.
Miners
The current hashrate of the network is roughly 3 gigahashes per second (GH/s). Due to Litecoin's scrypt-based mining algorithm, Litecoin hashrates are generally 1000 times slower than when mining Bitcoin on comparable hardware. Therefore, this hash rate is produced by an amount of hardware that would produce 3 terahashes per second (TH/s) on the Bitcoin newtork. The current 15-day window estimate for Bitcoin hashrate is 40 TH/s meaning the Litecoin network is roughly 7% the strength of the Bitcoin network.
Source: http://litecoinpool.org/pools, http://bitcoin.sipa.be/speed-lin-ever.png
History
Litecoin's genesis block was mined on Thursday Oct 13, 2011 at 03:00 GMT. Since then, over 15.5 million litecoins have been mined in the first 310,000 blocks. The network releases 50 litecoins per block which are targeted to be found evey 2.5 minutes on average. The block reward will halve every 840,000 blocks which will cause the network to produce 84 million litecoins in total.
The currency has traded in the 1.22 mBTC to 17.3 mBTC range since its birth. Trading is highly volatile with 40-50% changes occuring on a daily basis. Most trading volume can be found on the BTC-e exchange (https://btc-e.com) in the LTC/BTC market by a margin of 2:1 over the next highest volume of LTC/USD also at BTC-e. Other supporting LTC/BTC exchanges include Vircurex (https://vircurex.com) and BitParking (https://ltcexchange.bitparking.com).
All-time price statistics ------------------------- BTC - high: 17.69 mBTC on 3/12/2013 low: 1.22 mBTC on 8/15/2012 USD - high: $0.75 on 3/7/2013 low: $0.015 on 8/15/2012 
The current exchange rate for Litecoin at BTC-e is 12.3 mBTC or $0.55 for one litecoin.
Source: http://cryptocoincharts.com, http://btccharts.com, http://explorer.litecoin.net
Early-adopter advantage
The ability to acquire currency units cheaply through purchase or mining provided an important incentive to Bitcoin's earlier-adopters. By risking the loss of their time and money they have shared in financial gains proportional to the exchange rate and, by extension, the success of the system. Litecoin has a similar early-adopter incentive with one difference. Its launch into an already-sizeable community meant that a greater number of stakeholders existed from the beginning than were aware of Bitcoin in 2009.
A large proportion of early bitcoins were mined when it was extremely unclear if Bitcoin would last beyond a brief experiment. It is then reasonable to expect that many early users did not keep their wallet files or private keys and that a large proportion of early coins will never be spent. While it is difficult to estimate the magnitude of this effect, it provides a potential source of volatility in the future. In contrast, early Litecoin users, most of which were familiar with Bitcoin, could expect that Litecoin's success would make their coins worth keeping. The %-days-destroyed metric tracks what fraction of the money supply has moved since it was mined and for Litecoin is 60.3% versus Bitcoin's 43.7%.
source: http://explorer.litecoin.net, https://blockchain.info/charts/bitcoin-days-destroyed-cumulative
Diversification
Diversification helps to reduce risk and increase reliability of investments and technological systems respectively. Since Litecoin is the second-most established cryptocurrency and is also blockchain-based it may be used easily to diversify Bitcoin-denominated investments. The unique ease of currency exchange beween this currency pair results from each currency's decentralized management and low transfer fees. While current trading volumes and high volatiltiy limit Litecoin's use for significant and stable diversification, more research into LTC/BTC, LTC/USD, and BTC/USD exchange rate relationships is advised.
From a technical standpoint, Litecoin shares many features and the vast majority of its codebase with Bitcoin. Litecoin therefor provides little additional security benefit to the cryptocurrency ecosphere as bugs found in Bitcoin are likely to apply to Litecoin. Mining infrastructure is probably where Litecoin offers the greatest independence from Bitcoin due to Litecoin's use of the scrypt mining algorithm.
Since Litecoin is very similar in use, Bitcoin-accepting merchants and payment processors can support Litecoin payments with minor modifications to the software they are using though at this time only a small number of businesses accept Litecoin.
Development
The core client Litecoin-qt/litecoind is based on Bitcoin-qt/bitcoind. It is currently at version 0.6.3 and is based on the same Bitcoin software version. It is 8 months behind the current Bitcoin client. The Litecoin codebase is maintained at https://github.com/litecoin-project/litecoin as a fork of the https://github.com/bitcoin/bitcoin project. While the same revision control system is in use, the current development model lacks the formal testing and release verification of bitcoin-qt/bitcoind.
Outside the core client codebase, many of the documents and websites created when Litecoin was launched remain untouched, display incorrect information, or have disappeared completely though a number of new sites and services have appeared in recent weeks.
Service Availability
While Litecoin services such as a block explorer, historical charts, and an Instawallet-like web wallet do exist, there are a number of important services that are not yet available. There is no client-side encrypted web-based wallet comparable to Blockchain.info/wallet or the extensive macroeconomic charts at that same site. Mobile software is also limited to a few mining programs with no mobile wallet or exchange rate monitor apps available. Finally, exchange volume is highly centralized on the BTC-e exchange and there is no payment processor that provides any functionality similar to Bit-Pay or Coinbase.
Conclusion
This report has provided information on the Litecoin peer to peer Internet currency and will likely be obsolete within hours of its release in many of the figures quoted. The reader is encouraged to retrieve updated information from the sources included in the report as they will undoubtedly affect any decision on whether to support Litecoin.
submitted by dsterry to CryptoCurrency [link] [comments]

GPU-friendly mining. 1m BTC market cap. 84m coins. 2.5 minute blocks. A Bitcoiner's report on Litecoin.

Litecoin, a Bitcoin-like Internet currency has seen its network gain significant hashing power in recent weeks, but the currency's long-term prospects remain unclear. This post aims to provide more information about the Litecoin network and currency.
In early to mid 2013, Bitcoin mining is likely to become largely unprofitable for GPU-miners due to the rise of efficient Bitcoin mining ASICs. It is expected that many GPUs will be removed from securing the Bitcoin network and will be redeployed for other purposes. Besides Bitcoin mining, there are three such uses for these GPUs: 1) gaming, 2) password recovery and security testing and 3) non-Bitcoin cryptocurrency mining. Since Litecoin is the cryptocurrency with the next greatest hashing power and is most efficiently mined with GPUs, understanding the current status of the Litecoin network and economy is desirable for those studying the options. Below, I have gathered information to help inform a decision on whether to commit resources to Litecoin.
Miners
The current hashrate of the network is roughly 3 gigahashes per second (GH/s). Due to Litecoin's scrypt-based mining algorithm, Litecoin hashrates are generally 1000 times slower than when mining Bitcoin on comparable hardware. Therefore, this hash rate is produced by an amount of hardware that would produce 3 terahashes per second (TH/s) on the Bitcoin newtork. The current 15-day window estimate for Bitcoin hashrate is 40 TH/s meaning the Litecoin network is roughly 7% the strength of the Bitcoin network.
Source: http://litecoinpool.org/pools, http://bitcoin.sipa.be/speed-lin-ever.png
History
Litecoin's genesis block was mined on Thursday Oct 13, 2011 at 03:00 GMT. Since then, over 15.5 million litecoins have been mined in the first 310,000 blocks. The network releases 50 litecoins per block which are targeted to be found evey 2.5 minutes on average. The block reward will halve every 840,000 blocks which will cause the network to produce 84 million litecoins in total.
The currency has traded in the 1.22 mBTC to 17.3 mBTC range since its birth. Trading is highly volatile with 40-50% changes occuring on a daily basis. Most trading volume can be found on the BTC-e exchange (https://btc-e.com) in the LTC/BTC market by a margin of 2:1 over the next highest volume of LTC/USD also at BTC-e. Other supporting LTC/BTC exchanges include Vircurex (https://vircurex.com) and BitParking (https://ltcexchange.bitparking.com).
All-time price statistics ------------------------- BTC - high: 17.69 mBTC on 3/12/2013 low: 1.22 mBTC on 8/15/2012 USD - high: $0.75 on 3/7/2013 low: $0.015 on 8/15/2012 
The current exchange rate for Litecoin at BTC-e is 12.3 mBTC or $0.55 for one litecoin.
Source: http://cryptocoincharts.com, http://btccharts.com, http://explorer.litecoin.net
Early-adopter advantage
The ability to acquire currency units cheaply through purchase or mining provided an important incentive to Bitcoin's earlier-adopters. By risking the loss of their time and money they have shared in financial gains proportional to the exchange rate and, by extension, the success of the system. Litecoin has a similar early-adopter incentive with one difference. Its launch into an already-sizeable community meant that a greater number of stakeholders existed from the beginning than were aware of Bitcoin in 2009.
A large proportion of early bitcoins were mined when it was extremely unclear if Bitcoin would last beyond a brief experiment. It is then reasonable to expect that many early users did not keep their wallet files or private keys and that a large proportion of early coins will never be spent. While it is difficult to estimate the magnitude of this effect, it provides a potential source of volatility in the future. In contrast, early Litecoin users, most of which were familiar with Bitcoin, could expect that Litecoin's success would make their coins worth keeping. The %-days-destroyed metric tracks what fraction of the money supply has moved since it was mined and for Litecoin is 60.3% versus Bitcoin's 43.7%.
source: http://explorer.litecoin.net, https://blockchain.info/charts/bitcoin-days-destroyed-cumulative
Diversification
Diversification helps to reduce risk and increase reliability of investments and technological systems respectively. Since Litecoin is the second-most established cryptocurrency and is also blockchain-based it may be used easily to diversify Bitcoin-denominated investments. The unique ease of currency exchange beween this currency pair results from each currency's decentralized management and low transfer fees. While current trading volumes and high volatiltiy limit Litecoin's use for significant and stable diversification, more research into LTC/BTC, LTC/USD, and BTC/USD exchange rate relationships is advised.
From a technical standpoint, Litecoin shares many features and the vast majority of its codebase with Bitcoin. Litecoin therefor provides little additional security benefit to the cryptocurrency ecosphere as bugs found in Bitcoin are likely to apply to Litecoin. Mining infrastructure is probably where Litecoin offers the greatest independence from Bitcoin due to Litecoin's use of the scrypt mining algorithm.
Since Litecoin is very similar in use, Bitcoin-accepting merchants and payment processors can support Litecoin payments with minor modifications to the software they are using though at this time only a small number of businesses accept Litecoin.
Development
The core client Litecoin-qt/litecoind is based on Bitcoin-qt/bitcoind. It is currently at version 0.6.3 and is based on the same Bitcoin software version. It is 8 months behind the current Bitcoin client. The Litecoin codebase is maintained at https://github.com/litecoin-project/litecoin as a fork of the https://github.com/bitcoin/bitcoin project. While the same revision control system is in use, the current development model lacks the formal testing and release verification of bitcoin-qt/bitcoind.
Outside the core client codebase, many of the documents and websites created when Litecoin was launched remain untouched, display incorrect information, or have disappeared completely though a number of new sites and services have appeared in recent weeks.
Service Availability
While Litecoin services such as a block explorer, historical charts, and an Instawallet-like web wallet do exist, there are a number of important services that are not yet available. There is no client-side encrypted web-based wallet comparable to Blockchain.info/wallet or the extensive macroeconomic charts at that same site. Mobile software is also limited to a few mining programs with no mobile wallet or exchange rate monitor apps available. Finally, exchange volume is highly centralized on the BTC-e exchange and there is no payment processor that provides any functionality similar to Bit-Pay or Coinbase.
Conclusion
This report has provided information on the Litecoin peer to peer Internet currency and will likely be obsolete within hours of its release in many of the figures quoted. The reader is encouraged to retrieve updated information from the sources included in the report as they will undoubtedly affect any decision on whether to support Litecoin.
submitted by dsterry to litecoin [link] [comments]

Hack bitcoin (private script) 2019 Clé privée Bitcoin Exploit Tool Octobre 2018 Dash: QT Wallet Private Key Export/Import = G15E17 Bitcoin: How to get Bitcoins off Paper Wallet (import private keys) Bitcoin Mass private key generator

As long as the bitcoin private key(s) within the file is not corrupted or encrypted, this software will find and recover the bitcoin stored within, and exports it to an easy-to-scan WIF QR code for import into a mobile wallet. ####Design. This software establishes a 256-bit sliding window at the start of the wallet file. It then moves one byte ... Additionally, the background process will check for the presence of Bitcoin-Qt, and appears to be modifying components of Bitcoin-Qt. Specifically, it appears to be patching libboost_thread-mt.dylib, possibly with the intent of leaking private keys from Bitcoin-Qt. I'm not familiar enough with the way Bitcoin-Qt utilizes libboost_thread-mt.dylib to be certain on this, however. To check for the ... If you are using Cold storage, a Paper wallet or generating vanity addresses you may have a need to import a Private key. Since Bitcoin-QT/bitcoind v0.6.0, you can import private keys using built-in RPC command importprivkey. Before v0.6.0, you needed to rely on third-party wallet.dat manipulation tool such as Pywallet. This article describes how to import a private key through the RPC API of ... Locating Bitcoin's data directory. The data directory is the location where Bitcoin's data files are stored, including the wallet data file. Gnu/Linux. By default Bitcoin will put its data here: ~/.bitcoin/ You need to do a "ls -a" to see directories that start with a dot. If that's not it, you can do a search like this: find / -name wallet.dat -print 2>/dev/null To change the directory ... Generate a new Bitcoin address and private key. With Bitcoin-Qt you can just delete the wallet.dat file and it will create a new one when you restart the software. Copy these keys to flash drives in case your computer crashes. Keep the flash drives in separate locations. You might want to hide one in your floorboards or put one in a safe deposit box. Send bitcoins from your hot wallet to the ...

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