BlockBeats News, January 28 — Ethereum researcher Thomas Thiery (also known as soispoke) proposed to include FOCIL as a core anti-censorship feature in the Hegota upgrade. Hegota is Ethereum’s second major upgrade scheduled for the second half of 2026. FOCIL is a protocol-layer mechanism that, by modifying Ethereum’s fork choice rule, forces any valid transaction to be included in the chain within a limited time frame. It allows multiple validators to jointly enforce transaction inclusion, rather than relying on a single block proposer.
The main goal of this proposal is to reduce Ethereum’s dependence on centralized validators, thereby mitigating potential large-scale transaction censorship risks in the future and enhancing Ethereum’s core value as a neutral, censorship-resistant blockchain. Ethereum researchers stated, “Without FOCIL, the protocol would be more vulnerable to large-scale censorship events. Ethereum should proactively design for long-term resilience rather than passively respond to sudden censorship.”
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