Tag: Bitcoin consensus

How Proof of Work Stops Sybil Attacks in Blockchain Networks
Posted by Victoria McGovern
Comments (14)
22
Mar
How Proof of Work Stops Sybil Attacks in Blockchain Networks

Proof of Work stops Sybil attacks by making network participation expensive. Bitcoin's 650 EH/s hash rate and $12.7B attack cost make fraud economically impossible, securing high-value transactions since 2009.

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