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以太坊研究日报

Ethereum Research Daily

lightclient added a `SIGDATACOPY` instruction to EIP-8141, splitting the copying of `ARBITRARY` signature data out of `SIGPARAM` so that `SIGPARAM`'s stack requirement becomes static, merged the same day; the August 6 initial warm set PR and the August 14 banned-opcode relaxation were also merged. chunter-cb proposed L1 and L2 adoption profiles for EIP-8130. ladislaus warned that a plain ETH transfer is no longer always 21,000 gas after Glamsterdam. In the evening FOCIL Breakout #40 set focil-devnet-0 for August 31.

Image for August 18, 2026

Image: GitHub, ethereum/EIPs PR #12187

Both native AA tracks move on the same day

Gas changes under Glamsterdam

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