Sequencer
In the LayerEdge framework, a Sequencer plays a crucial role by performing the following tasks:
State Proof Generation: At the HMDA protocol level, sequencers compile state proofs from Layer 1 decentralized applications (dApps) and Layer 2 solutions.
Data Aggregation: At the verification layer, they aggregate transaction data and state updates into a compact format suitable for inclusion in Bitcoin transactions.
OP_RETURN Transaction Submission: Sequencers submit the compiled state proofs as OP_RETURN transactions on the Bitcoin blockchain. These transactions serve as cryptographic commitments to the current state of the off-chain data.
Timestamping: By utilizing Bitcoin’s timestamping capabilities, Sequencers ensure that each state proof is securely anchored to the Bitcoin network, providing a verifiable record of the state at a specific time.
Overall, Sequencers are essential for generating, aggregating, and recording state proofs to ensure data integrity and availability.
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