Blockchain

Terra Luna Classic

Consensus
Quantum-Vulnerable

Why this rating. Cosmos SDK chain on CometBFT 0.38, where validators sign with Ed25519. The classic-terra/core repository has no post-quantum work. Only a community forum post from July 2026 asks for a working group.

Transactions
Quantum-Vulnerable

Why this rating. Accounts use secp256k1 keys through Cosmos SDK 0.53.6, which lacks the post-quantum key types of later SDK releases. No official proposal or code exists; a community forum post only calls for a plan.

Algorithms
None listed
Website
Website
Source
Source
Note and links

Only a community forum post

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