Module chain 

Log Chain - Append-only linked list with hash chaining

Structs

ChainProof

Chain proof for cryptographic verification.

ChainProofPathStep

Merkle path element for compact chain proofs.

LogChain

Log chain state

Constants

GENESIS_HASH

Genesis hash (initial chain hash)

Functions

verify_chain_proof

Verify chain proof using compact O(log n) membership paths and optional Merkle proof.