Blockchain

Nexus

Consensus: Quantum-Vulnerable
Why this rating. Judgment call: block producers sign blocks with their sigchain key, and Falcon is selectable but the default is Brainpool ECDSA. Mining is proof of work, yet each block still needs a producer signature.
Transactions: Post-Quantum
Why this rating. Judgment call: sigchain profiles can pick Falcon instead of the default Brainpool ECDSA, and the node verifies Falcon transactions today. Users must opt in, so most accounts remain classical.
Algorithms: FN-DSA (Falcon)
Website: Website
Source: Source
Note and links: Falcon opt-in; default Brainpool
LLL-TAO signature scheme enum (Falcon, Brainpool)

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