Bridge rate-limiter / chain-pause as positive mitigant

Evidence summary #

Bridge rate-limiter / chain-pause | No per-chain or per-route outflow rate-limiter identified in publicly documented SpokePool or HubPool code. The bridge model uses relayer inventory (relayers front capital on destination); outflow on-chain is limited by pool liquidity in HubPool. Admin can `setPaused(bool)` on HubPool (immediate, no timelock) and `pauseDeposits(bool)` / `pauseFills(bool)` on SpokePool (onlyAdmin/crossDomainAdmin, no timelock). These are binary pause functions, not rate-limi...

Sources #

Methodology #

Determine whether the bridge implements a per-window outflow rate-limiter (and at what cap), and whether the protocol team can trigger a chain-level or validator-set emergency pause.

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