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Dan Hughes
@fuserleer
Vitalik posted this article a few days ago regarding TTF reductions. It has a section about "Single slot finality" and how the cost of recording all the votes from all stakers/validators on chain is a technical challenge to solve. I think the approach is wrong (unless I'm missing some detail) and that the votes from all stakers don't need to be recorded on chain in all cases. https://ethresear.ch/t/orbit-ssf-solo-staking-friendly-validator-set-management-for-ssf/19928
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Dan Hughes
@fuserleer
A better solution seems to be broadcast of votes to each other via gossip, collect them, and when the 2/3rds+ threshold is met, produce a quorum certificate proving agreement. Whoever is producing the next block enshrines that quorum certificate. This is equivalent to an "all to all" messaging model, but so is recording them on chain anyway so should not be any net-detriment. For the validator who creates the next block to record the votes/signatures they have seen, they must have been communicated to them by some means anyway. TLDR if a quorum is found, you don't need to record the votes.
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