UTC-05:00,Friday , February 21st 2020

Ethereum's Vitalik Buterin Proposes Construction To Protect Against 51% Attacks On Blockchains

07:35 Friday , February 14th 2020
A 51% attack can be very harmful to a blockchain as it totally prevents new transactions from gaining confirmations and can stop payments between some or all users. Vitalik Buterin of the Ethereum Foundation suggests that this issue may be solved by timeliness detectors.
A new concept proposed by Mr. Buterin addresses three challenges since it allows active blockchain clients to come to an agreement over three questions of crucial importance. Namely, they will know: whether or not a "sufficiently bad" 51% attack has occurred, what is the "correct" chain to converge on, and which validators are to "blame" for the attack.
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