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Starknet vs OP Mainnet

Which is more decentralized — Starknet or OP Mainnet? A side-by-side on consensus, nodes, clients and governance.

StarknetOP Mainnet
GradeCC+
TypeL2 · ZK rollupL2 · Optimistic rollup
Nakamoto / stageStage 1Stage 1
Node / validator setInherits Ethereum securityInherits Ethereum security
Clients / sequencerSingle sequencer (StarkWare)Single sequencer (OP Foundation)
GovernanceStarknet governance (token + council)Optimism Collective (two houses)
Key riskCentralized sequencerCentralized sequencer

Starknet C

  • Validity proofs (no challenge window)
  • L2BEAT Stage 1
  • Native account abstraction
  • Centralized sequencer & prover
  • Smaller ecosystem than OP/Arbitrum

OP Mainnet C+

  • L2BEAT Stage 1
  • Concrete shared-sequencing roadmap
  • Superchain network effects
  • Centralized sequencer today
  • Foundation influence

Bottom line

Strong cryptographic guarantees; operational decentralization is in progress. Stage 1 with the clearest path to decentralized sequencing.