Optimism Censorship Bug Disclosure

• https://iosiro.com/blog/optimism-censorship-bug-disclosure

• proxyd, a custom JSON-RPC load balancer, which restricts the volume of requests the main sequencer has to manage.
• Transactions are discarded before contributing to the rate limit if the nonce is lower than the account’s current nonce.

Related

• Single-sequencer protocols
• OFAC

See also

• Sequencer, Sequencer Level Security (SLS), Zircuit, Hypernative.io, Replica, Single-sequencer protocols
• Optimism, OP, OP Stack, OP Architecture, op-, Superchain, Optimism Bedrock, Proxyd, Crypto sequencer, rollup, Optimistic Rollup Protocol, Optimism Blobs, Optimism monitorism, fault-mon, eth-optimism/sdk, L2OutputOracle.sol, OptimismPortal.sol, OP Sepolia Testnet (11155420), OP Labs, Optimism Foundation, Fault Proof, Ecotone, Fjord, Rollup node, L2 Chain Derivation Specification, Fastnode.io, OP Contracts Manager (OPCM)