1/5 What is FOCIL?
FOCIL stands for Fork-Choice Enforced Inclusion Lists, a new proposal EIP-7805 from Ethereum researcher soispoke.
It gives validators more power to ensure valid transactions get included in blocks, strengthening Ethereum’s censorship resistance.
2/5 Why shift power to validators?
Today, block builders decide which transactions make it into blocks.
With FOCIL, validators can enforce inclusion of valid transactions, making it harder for builders to exclude them. This rebalances power in Ethereum’s block production process.
3/5 How users benefit?
FOCIL improves the user experience by enabling:
✅ Stronger censorship resistance. ✅ Fairer inclusion of transactions. ✅ Faster confirmations. ✅ More trust in block production.
4/5 Where FOCIL stands today?
It’s already implemented by six Ethereum client teams, running on devnets, undergoing active testing, and open to community feedback.
A proposal in progress, and a strong contender for Ethereum’s next major upgrade.
5/5 The heart of Glamsterdam
Every Ethereum upgrade has a defining feature. For Glamsterdam, the post-Fusaka fork, that spotlight now shines on FOCIL.
By reinforcing credible neutrality and rebalancing power from centralized builders back to validators, FOCIL marks a turning point.
It’s not just a technical improvement. It’s a statement of values.
A step toward a more open, resilient, and censorship-resistant Ethereum.
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