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I want to know the relationship between Polkadot consensus and Honey Badger BFT (HBBFT). Is Polkadot's consensus using HBBFT?

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No, Polkadot's consensus doesn't use HBBFT. When the original vision paper was written (https://polkadot.network/PolkaDotPaper.pdf), it was mentioned as a possible component or inspiration for research to be done later. But Polkadot ended up using a custom hybrid consensus mechanism composed of BABE and GRANDPA. Neither of these use threshold encryption or are asynchronously live (which is the hallmark of HBBFT).

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  • thank you very much
    – bun
    Apr 15, 2022 at 2:50

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