Crypto trivia 📚 Transaction finality
Ethereum blocks typically reach the “finalized” state after two epochs (about 12.8 minutes).
Ethereum’s proof-of-stake system uses the Casper FFG mechanism. Each epoch contains 32 slots and lasts about 6.4 minutes.
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On Ethereum, the staked $ETH is the guarantee of finality: overturning a finalized block would result in the loss of a large amount of stake.