Post-Quantum Cryptography

The defense side of the quantum threat. Guides to the new NIST signature standards, how lattice-, hash-, and code-based schemes differ, and what moving to post-quantum cryptography changes for wallets and self-custody.

// Guides In This Cluster

Hot Wallets vs Cold Wallets in a Post-Quantum World

Hardware wallet in a safe. Hot wallet on your phone. Most Bitcoiners think the hard work...

BY: Elias Rennik

upd Jul 20, 2026

Hybrid Signatures: The Migration Bridge

A hybrid signature is one message signed by two algorithms at once: a classical scheme like...

BY: Sead Fadilpašić

upd Jul 22, 2026

Hybrid Signatures: The Migration Bridge

A hybrid signature is one message signed by two algorithms at once: a classical scheme like...

BY: Sead Fadilpašić

upd Jul 23, 2026

Lattice-Based vs Hash-Based vs Code-Based Signatures

Most coverage of post-quantum signature schemes ranks them by signature size, computational cost, key length, and...

BY: Darian Kovel

upd Jul 20, 2026

NIST’s PQC Standards (ML-KEM, ML-DSA, SLH-DSA, Falcon, HQC) Explained

Let's say you have one job. Pick the cryptographic algorithms that will protect everyone's data after...

BY: Liora Vancek

upd Jul 20, 2026