The Easiest Path to ZK for OP Chains
OP Kailua lets OP chains upgrade to ZK at their own pace. Choose between cost-efficient ZK Fraud proofs or full ZK Validity proofs, all with seamless integration and no switching costs.
Select Your Security Mode
OPFP
Default for OP Chains
Finality
7-day challenge period
Configurable finality down to 3 hours
1-hour finality
Security Model
Interactive disputes
Non-interactive disputes
Validity proven
Dispute Process
Requires an honest majority to reject transactions
Generates a ZKP only if there is a dispute
No disputes; generates a ZKP for every transaction
Deposits Needed
Requires a new deposit per proposal or challenge
Only one deposit for unlimited proposals
No deposits required
Best For
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Cost-sensitive chains that want faster finality
Large chains needing ultra-fast finality with maximum security
Upgrade At Your Own Pace
ZK security, on your terms.
Risk-Free Testing
Integrate OP Kailua without enabling withdrawals to test performance in a production-like environment.
Incremental Adoption
Submit validity proofs for only a portion of sequencing proposals before fully transitioning.
Adaptive Security
Switch freely between Hybrid mode and Validity mode based on your rollup's needs.