Blockchain

Neptune Cash

Consensus
No Signatures / Quantum Resistant

Why this rating. Proof-of-work chain. Miners and guessers need no validator signatures, and each block carries a single STARK proof built on hash functions.

Transactions
Post-Quantum

Why this rating. Spending is authorized by proving knowledge of a hash preimage inside a Triton VM STARK, so no elliptic-curve signature exists. Address notifications use lattice-based encryption. Live on mainnet.

Algorithms
None listed
Website
Website
Source
Source
Note and links

Hash-lock plus STARK spending

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