Результатов: 1414

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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Биткоин + PoS + анонимные транзакции + Tor = Spectre и его полёт до Луны

Криптовалютных проектов так много, что за всеми не уследишь. Предлагаем в ближайшее время следить за Spectre (не путать со SPECTRE). Его авторы выпустили два токена в 2016 году: spectre и xspec. Они не удостоились особого внимания два года назад, но... дальше »

2018-8-1 14:00


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Переход Эфириума на Proof of Stake начался со скама. Как не попасть в лапы мошенников?

В апреле мы написали большую статью о перспективах перехода Ethereum на протокол PoS. В ней рассмотрели слабости системы, проанализировали подробности Casper и заодно узнали мнение о нём Виталика Бутерина. дальше »

2018-7-26 21:16


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Bank of Canada: Proof-of-Work Beats Alternative Consensus Systems

Canada’s central bank has championed proof-of-work (PoW) algorithms as part of a new research paper on Blockchain consensus. ‘Irretrievable Sunk Costs’ In its Staff Working Paper released this week, Bank of Canada (BoC) said PoW, used by Bitcoin, held more promise than alternative proof-of-script (PoS) algorithms found in various altcoins. дальше »

2018-7-25 18:00


GreenBox’s POS TrustGateway Uses Blockchain To Improve Efficiency And Prevent Fraud

GreenBox POS has announced that TrustGateway, a major component of the Company’s QuickCard payment system, is proving to be highly efficient in preventing fraud on the GreenBox payment platform. GreenBox POS is a groundbreaking technology company that builds customized payment solutions for a multitude of industries. дальше »

2018-7-24 17:30


Proof of Assignment (PoA) vs. Proof of Work (PoW) and Proof of Stake (PoS)

Proof of Work (PoW), Proof of Stake (PoS), and Proof of Assignment (PoA) are cryptocurrency mining protocols. Essentially, they are computer algorithms that allow cryptocurrencies to function.   If you’ve been following the crypto world, then you’re probably already familiar with the two main protocols known as PoW and PoS. As it stands, there are […] дальше »

2018-7-24 01:16


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Governance, Part 2: Plutocracy Is Still Bad

Coin holder voting, both for governance of technical features, and for more extensive use cases like deciding who runs validator nodes and who receives money from development bounty funds, is unfortunately continuing to be popular, and so it seems worthwhile for me to write another post explaining why I (and Vlad Zamfir and others) do not consider it wise for Ethereum (or really, any base-layer blockchain) to start adopting these kinds of mechanisms in a tightly coupled form in any significant way. дальше »

2018-7-21 23:03


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Today:EY buys Crypto patents and Coinbase forms political action committee.

The Daily In The Daily on Saturday, crypto exchange Coinbase has formed a political action committee to raise funds for US elections. Also, Ernst & Young has announced the acquisition of crypto technology and patents, and Indonesian crypto POS terminal maker Pundi X is looking to expand in South Korea with a new partnership. According дальше »

2018-7-21 15:23


Agate ICO

AgateChain is a complete set of a decentralised blockchain, with two mobile apps, a fiat pegged ecosystem, an API Suite, plug-ins, add-ons and a physical POS terminal and operating with multi coin mechanism and works as a comprehensive crypto infrastructure for everyday banking and a gateway to connect developers, users, and in-store and online merchants to the cryptoeconomy. дальше »

2018-7-21 13:21


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More Merchants Should Accept Cryptocurrency, Consumers Tell Survey

75 percent of cryptocurrency holders would spend their coins in Point-of-Sale (PoS) transactions if they could, a new study into crypto consumer habits reveals. ‘Real Demand For Greater Adoption’ The study, conducted by UK-based cryptocurrency purchasing website CreditCoin, also showed the desire to spend cryptocurrency in ‘real life’ did not depend on age. дальше »

2018-7-17 19:00


Hong Kong Retailers to Accept Point-of-Sale Bitcoin Payments Through Pundi X

Indonesian blockchain start-up Pundi X has announced that it will begin installing thousands of its Pundi X Point-of-Sale (POS) devices in cafes and restaurants throughout Hong Kong. The company plans to deploy a total of 5,500 POS devices by the end of August, which will allow customers to use Bitcoin for commercial purchases. The Pundi […] дальше »

2018-7-17 05:26


Hong Kong Retailers to Accept Point-of-Sale Bitcoin Payments Through Pundi X

Indonesian blockchain start-up Pundi X has announced that it will begin installing thousands of its Pundi X Point-of-Sale (POS) devices in cafes and restaurants throughout Hong Kong. The company plans to deploy a total of 5,500 POS devices by the end of August, which will allow customers to use Bitcoin for commercial purchases. дальше »

2018-7-17 01:24


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Restaurants and Cafes To Soon Hong Kong Integrate Cryptocurrency Payments

Pundi X, a crypto Point of Sale (PoS) machine and network developer, has secured a deal with FAMA Group to supply crypto PoS machines to restaurant chains and cafes across Hong Kong. In an interview with local publication iNews24, Pundi X co-founder and CEO Zac Cheah said stated the high adoption rate of cryptocurrencies in Southeast Asia and the lack of infrastructure. дальше »

2018-7-16 15:00


Cardano’s Team Claims Blockchain’s Proof-of-Stake (PoS) Remedy is “Ouroboros”

The strength of Cardano (ADA) is probably its scientific and academic approach. It is essential to know the cryptocurrency itself travels far-and-wide to reach countries and educate people. Cardano (ADA) is pushing towards becoming one of the top 3 cryptos in the world and even surpassing Bitcoin. The CEO of Cardano (ADA), Charles Hoskinson, aims […] дальше »

2018-7-13 19:35


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Количество криптовалютных PoS-терминалов в мире к 2021 году достигнет 100 тыс.

К 2021 году глобальный сектор криптовалют будет оснащен более чем 100 тыс криптовалютных точек продажи (PoS — point-of-sale), заявил Зак Чиа (Zac Cheah), генеральный директор компании Pundi X — производителя и разработчика криптовалютных PoS-терминалов. дальше »

2018-7-12 19:44


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К 2021 году по всему миру будет 100 тысяч криптовалютных PoS-терминалов

Зак Чих (Zac Cheah), генеральный директор компании Pundi X, производителя и разработчика криптовалютных PoS-терминалов, сказал, что к 2021 году глобальный сектор криптовалют будет оснащен более чем 100 тыс криптовалютных точек продажи (PoS — point-of-sale). дальше »

2018-7-12 19:44