Blockchain

Dogecoin

Consensus: No Signatures / Quantum Resistant
Why this rating. Scrypt proof-of-work, merge-mined. Blocks rely on hashing, so this layer uses no signatures.
Transactions: Quantum-Vulnerable
Why this rating. Judgment call: transactions use ECDSA. Primary evidence is a closed 2021-era issue; reported 2026 Falcon-512 experiments have no published code or spec.
Algorithms: None listed
Website: Website
Source: Source
Note and links: Scrypt PoW, no signatures

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