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Top Cryptocurrency Coins Are Challenging MasterCard and Visa’s Merchant Payment Duopoly

How Cryptocurrencies Are Challenging The MasterCard And Visa Duopoly It is unheard of for a multinational, let alone two multinational heavyweights to lose out in a court case. What is even rarer, is when the court case forces them to part with settlement costs totalling $6 billion. Earlier this week, the Business Press released a […] дальше »

2018-9-21 20:06


New Virtual Private Blockchains Solution From BlockApps Offers Transaction Privacy Among Enterprises

The first Blockchain-as-a-Service provider, BlockApps, put out a press release on September 6th, to announcement they would launch their new solution on their STRATO platform. The solution is called Virtual Private Blockchains (VPB), which will let enterprises and other organizations to maintain data and transaction privacy. дальше »

2018-9-9 08:13


A Guide to 99% Fault Tolerant Consensus

Special thanks to Emin Gun Sirer for review We’ve heard for a long time that it’s possible to achieve consensus with 50% fault tolerance in a synchronous network where messages broadcasted by any honest node are guaranteed to be received by all other honest nodes within some known time period (if an attacker has more than 50%, they can perform a “51% attack”, and there’s an analogue of this for any algorithm of this type). дальше »

2018-8-9 04:03


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Google officially names Android 9 ‘Pie’, rolling out to Pixels today and other devices this fall

Google has finally let the cat out of the bag: its ninth version of Android, codenamed Android P, is called Pie – and you can get it right now if you’ve got a Pixel phone. The company released the first preview of Android 9 for developers back in March, with support for notches and multiple cameras (so apps could work better with them), improved notifications, some design tweaks, AI-powered adaptive brightness, and under-the-hood enhancements. дальше »

2018-8-7 06:28


Coinbase позволит клиентам конвертировать криптовалюты в подарочные сертификаты

Американская компания Coinbase в партнерстве с лондонским стартапом WeGift позволит клиентам обменивать криптовалютные активы на подарочные сертификаты на товары и услуги более чем 120 ритейлеров. Coinbase will let customers in Europe cash out their crypto coins for gift cards https://t. дальше »

2018-7-25 12:51


STARKs, Part I: Proofs with Polynomials

Special thanks to Eli Ben-Sasson for ongoing help, explanations and review, coming up with some of the examples used in this post, and most crucially of all inventing a lot of this stuff; thanks to Hsiao-wei Wang for reviewing Hopefully many people by now have heard of ZK-SNARKs, the general-purpose succinct zero knowledge proof technology that can be used for all sorts of usecases ranging from verifiable computation to privacy-preserving cryptocurrency. дальше »

2018-7-21 23:03


Notes on Blockchain Governance

In which I argue that “tightly coupled” on-chain voting is overrated, the status quo of “informal governance” as practiced by Bitcoin, Bitcoin Cash, Ethereum, Zcash and similar systems is much less bad than commonly thought, that people who think that the purpose of blockchains is to completely expunge soft mushy human intuitions and feelings in favor of completely algorithmic governance (emphasis on “completely”) are absolutely crazy, and loosely coupled voting as done by Carbonvotes and similar systems is underrated, as well as describe what framework should be used when thinking about blockchain governance in the first place. дальше »

2018-7-21 23:03


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In my last article I answered some of the questions I often hear from family or friends who want to buy Bitcoin for the first time. I also recommended what I think is the easiest way to get started, Coinbase.

Today let’s have a look at two of the most popular follow-up questions I receive, usually in the minutes immediately after the Bitcoin purchase goes through. How can I buy some other coins?While Bitcoin is by far the most well-known and desired cryptocurrency, there are many other coins, known as Altcoins, out there these days. Some дальше »

2018-7-16 16:09