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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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Security Researchers Break Down McAfee-Endorsed Cryptocurrency Wallet, Find Nothing but a Cheap Smartphone

The world’s first “unhackable” cryptocurrency wallet, as claimed by John McAfee, faced the wrath of security researchers soon after its announcement on July 28, 2018. Not so Unhackable Cybersecurity blogger Ryan Castellucci first called out Bitfi’s supposed security features on his blog, breaking down several aspects that struck experts as suspicious. дальше »

2018-8-3 19:00


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Bitcoin Market ‘Still in a Growth Phase,’ Says Bullish Trading Expert

Octagon Strategy trader Ryan Rabaglia reminds investors to look at the bigger picture for Bitcoin, while claiming increased regulation will eventually drive prices higher. ‘The Markets are Still in a Growth Phase’ A trending belief in the cryptocurrency space over recent months is that increased regulatory clarity will drive the price of Bitcoin higher and help it break out of a half-year-long bearish trend. дальше »

2018-7-3 10:00


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Bitcoin Price Analysis: New Low on Low Volume Breeds Potential Bullish Set-up

Bitcoin sits precariously perched at the bottom of the annual market low and many bitcoin investors aren’t sure what to make of it. Although the market seems to be continuing its drift to new lows with greater and greater ease, there are a couple of bullish signals worth considering while the market continues to consolidate: Figure 1: BTC-USD, Daily Candles, New Market LowOn Friday, June 29, 2018, for the first time this year, the daily candles closed below the annual low of $6,000s. дальше »

2018-7-1 19:35