Granite

Hardfork registry entry for the Granite network upgrade, a hardening upgrade limiting bn256Pairing input size.

Granite was a small hardening upgrade to the fault-proof surface area.

Status	Active
Governing spec	specs.optimism.io
Governance approval	proposal
Mainnet activation (superchain default)	Wed, 11 Sep 2024 16:00:01 UTC (1726070401)
Sepolia activation (superchain default)	Mon, 12 Aug 2024 16:00:00 UTC (1723478400)

What changed

Per the spec overview:

• Execution layer: limited the bn256Pairing precompile input size.
• Consensus layer: reduced the channel timeout to 50.