Blockchain

Stellar

Consensus: Quantum-Aware
Why this rating. SCP messages use Ed25519. The quantum preparedness plan commits to an SCP upgrade, but no code or CAP exists yet.
Transactions: Post-Quantum Ready
Why this rating. CAP-87 adds ML-DSA verification host functions for Soroban, shipped in Stellar Core v30.0.0. The mainnet vote is 2026-11-23, so not live. Classic accounts stay Ed25519.
Algorithms: ML-DSA
Website: Website
Source: Source
Note and links: ML-DSA verification awaits vote
Quantum Preparedness Plan (2026)
Bell, Protocol 30, with CAP-87 ML-DSA verification

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