Minimal Slashing Conditions

Vitalik Buterin
Mar 2, 2017 · 14 min read

Safety proof
But we can get stuck
No more safety.


Left: different hashes may get finalized with these rules, but if they’re part of the same chain, then that’s working as intended. Right: hashes that are not part of the same history are conflicting; there is a proof that the above four slashing conditions prevent two conflicting hashes from being finalized unless at least 1/3 of validators get slashed.


Thanks to River Keefer

Vitalik Buterin

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