Fellowship of Ethereum Magicians

EIP-7773: Glamsterdam Network Upgrade Meta Thread

glamsterdam

mingfei May 29, 2025, 2:44pm 5

Glamsterdam headliner proposal: Available Attestation EIPs

This is a headliner proposal for Available Attestation (AA) for Glamsterdam. Summary (ELI5) Available Attestation (AA) is a proposed security upgrade to Ethereum that prevents malicious validators from reorganizing (reordering) blocks to steal transactions or manipulate the blockchain. Currently, attackers with enough stake can create competing blockchains and force the network to switch between them, causing instability. AA requires that before a new block can be built, it must prove that enou…

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