Onchain Infra · Scaling & Interop · 06 / 22
More chains, shared security
Rollups execute off the main chain and post data and proofs back to it. Appchains run their own chain for one use case.
Where it connects
Optimistic rollups
Assumed valid; a challenge window catches fraud.
ZK rollups
A validity proof settles each batch.
Appchains
A dedicated chain with its own validators.
Across ecosystems, not one chain.
Withdrawal time to L1
Sequencer decentralization
Proof system maturity
On Tempo · In the protocol
Zones are private ledgers run by an operator, with checkpoints and bridging back to Tempo.
Batch settlement
Sequencer-signed checkpoints posted to Tempo
Portal bridging
Deposit and withdraw against Tempo atomically