Результатов: 2152

CoinMetrics Says Sad Truth is Majority of Bitcoin Transactions are Worthless

The Sad Truth: Majority of Bitcoin Transactions are Worthless It turns out most of Bitcoin’s transactions don’t really do anything. About two-thirds of transactions made with the cryptocurrency are not for anything specific, meaning the exchanges have nothing to do with trading, buying or selling goods. A large number of actions taken by coin holders […] дальше »

2018-7-26 21:15


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


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Survey: 45% of security professionals reuse the same password

There’s a saying — “practice what you preach. ” If you give advice, make sure it’s something you follow personally. Turns out, some security pros aren’t doing that. A survey of 306 infosec professionals at London’s Infosecurity Conference 2008 from Lastline showed that 45 percent commit one of the biggest security cardinal sins — reusing passwords across accounts. дальше »

2018-7-18 11:29


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This visualization of Venmo’s public data is terrifying

PayPal’s peer-to-peer payment app, Venmo, is one of the modern world’s greatest conveniences. It’s a simple way to send people money without jumping through a bunch of hoops. But, what if you found out that every transaction you completed with the app was, by default, instantly uploaded to the internet for the entire world to see? You’d be upset right? Well, as it turns out, if you never changed the privacy settings in your Venmo account you’re sharing your transaction history with everyone. дальше »

2018-7-17 20:48


China’s Cryptocurrency Clampdown Turns Country Into A Bitcoin “Wasteland”

China was once the hub of the cryptocurrency movement. After a government crackdown in 2017, however, China has become a cryptocurrency “wasteland” according to a new report from Bloomberg. “Crackdown turns China from bitcoin’s epicenter to a wasteland,” reported Bloomberg earlier this week, citing stats like declining Yuan volume on cryptocurrency exchanges worldwide. The Chinese […] дальше »

2018-7-13 07:21


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BIS Crypto Report Undermines Itself. Not Cryptocurrency.

Over the past few days, media outlets have taken it in turns to report on a recent assessment published by the Bank of International Settlements (BIS) on Sunday. Titled as “Cryptocurrencies: looking beyond the hype” and running to 24-pages, the BIS report argues that cryptocurrency would make a poor substitute for fiat currency, highlighting problems with instability; a […] The post BIS Crypto Report Undermines Itself. Not Cryptocurrency. appeared first on Crypto Briefing. дальше »

2018-6-20 18:39