Summary

Recommendation X.1407 specifies the security threats and requirements in digital integrity proofing based on distributed ledger technology (DLT).

The original proof protected is stored in the off-chain. The hashed data values are stored in the on‑chain. Recommendation ITU-T X.1407 analyses the security threats to the digital integrity proofing services based on DLT, namely, proof registration and proof provenance. This Recommendation also describes the security requirements that could address security threats.