Fast Finality
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X @vitalik.eth
vitalik.eth· 2026-03-06 19:23
RT Ben Edgington (@benjaminion_xyz)Discussing fast finality with people, it is the move to 1 voting round that causes most concern since it ostensibly reduces security from 33% to ~17%.Here V explains why this is fine, and maybe even better than the status quo.DMs remain open if you want to talk fast finality with me! I'm particularly keen to consult with bridges and interop platforms. ...
X @BNB Chain
BNB Chain· 2026-03-02 21:18
RT BNB Chain Developers (@BNBChainDevs)Why does BEP-590 matter? 🤔Because fast finality should not stall just because one vote arrives late.Consider a payment app settling stablecoin transactions on BNB Chain at high volume.During peak activity, blocks are still produced on time, but some validator votes arrive slightly late due to network load. Without BEP-590, fast finality can temporarily stall since each block only carries votes for its direct parent.The app sees slower finality signals and has to delay ...
X @vitalik.eth
vitalik.eth· 2026-02-17 15:20
RT Ben Edgington (@benjaminion_xyz)Right, who wants to talk about Fast Finality on Ethereum?We're figuring out where the theoretical meets the practical: if finality matters to you, let's talk!🏗️ Infrastructure: L2s, Bridges, Interop protocols🏦 Liquidity: Exchanges, Staking pools, Apps💻 Protocol: Client devs & researchers❓ Others...The Hard Questions:- How fast is fast enough to make a difference? Is it quantifiable?- Which trade-offs are ok? Economic safety <33%? Higher finalisation threshold? Lower fork-c ...
X @vitalik.eth
vitalik.eth· 2025-09-06 19:16
These are good ideas!Most of them are delta-neutral (in the sense of the δ network latency assumption), which is even better.To safely do slot time decreases, the thing we really need more of is better measurement of geographic decentralization and economic viability of non-data-center and non-US/EU nodes. That's the dimension we have to be conservative on.barnabe.eth (@barnabemonnot):Let's bring fast finality asap to @ethereum !We published an update on our related work and projects last Friday, and on thi ...