★ Default bytes32(0) acceptable as valid root

Lista DAO's assessment for RD-F-154 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

LayerZero V2 does not use Merkle roots for message validation — it uses DVN packet hash attestation, not a stored root-mapping. Nomad bytes32(0) default root pattern does not apply to LZ V2 architecture. No bytes32 root storage or root-acceptance logic in OFT contracts.

Sources #

Etherscan
ListaOFT Ethereum source — no Merkle root patternetherscan.io/address/0x44388Ef3bc730BDE8670a3b4831281dd7E89C584 — ListaOFT source verified; no root-mapping patternretrieved 2026-05-12

Methodology #

Determine whether the bridge inbox accepts a default-value (bytes32(0)) Merkle root as a valid proof root (Nomad bug class).

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol lista-dao factor RD-F-154 score green collected_at 2026-05-12 17:54:05