The security council introduced by Base network, described by Tom Vieira, head of product at Base, as part of achieving Stage 1 decentralisation, operates as a 75% multisig system, composed of ten globally distributed entities selected from across the Base and broader Ethereum ecosystems

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These are folks from the Base ecosystem and from the broader Ethereum ecosystem," who will help approve certain network upgrades if needed, Vieira added
It includes 10 independent entities and requires 75% consensus (among the Council, Base, and Optimism) for any software upgrades