Selfish Mining

WHAT: In 2013 Cornell researchers Emin Gün Sirer and Ittay Eyal theorized that miners could hijack legitimate blocks by hiding their own newly-generated private blocks from the main blockchain creating a separate fork.

WHY: Once the selfish miner produces a longer chain, honest miners would be tricked to abandon theirs and prefer the private/illegitimate chain which enlarges the attackers overall share of the mining revenue.


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