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Design Principle

The design of LCP is based on the following principles:

  • Minimum trust assumptions: In addition to the trust assumptions of the Light Client scheme, which is the most secure verification scheme, LCP needs to add as little trust as possible, the TEE trust.
  • Ultra efficient on-chain verification: A client on the downstream verifies a single signature on a resulting commitment generated in the Enclave instead of verifying the upstream. It will reduce the verification cost and the size of verification transactions (e.g., no need to include validators' info in the upstream).
  • Extensible: No need for an on-chain light client implementation for each chain combination, only a light client implementation per chain that the Enclave can execute.