EIP-8247
Ancestor-Indexed BALs
Compact references to recent block access lists for repeated addresses and storage slots
Status history
- Draft3 May 2026
Abstract
Replace repeated 20-byte addresses and 32-byte storage keys in EIP-7928 Block Access Lists (BALs) with compact references into one of the last eight canonical ancestor BALs. Expected reduction in BAL size is approximately 30–50%, depending on cross-block reuse.
- Created
- 3 May 2026
- Authors
- Toni Wahrstätter
- Upgrades
- Not listed in any upgrade
- Requires
- EIP-7928
- Required by
- —