"BTQ Technologies said it had launched a Bitcoin Quantum testnet on Jan. 12, 2026, a Bitcoin-like network designed to trial post-quantum signatures without touching Bitcoin mainnet governance. The idea is that BTQ would replace Bitcoin's current signature scheme with ML-DSA, the module-lattice signature standard formalized by the National Institute of Standards and Technology (NIST) as Federal Information Processing Standard (FIPS) 204, for post-quantum security assumptions."
"Did you know? BTQ Technologies is a research-focused firm working on post-quantum cryptography and blockchain security. Its Bitcoin Quantum testnet is designed to study how quantum-resistant signatures behave in a Bitcoin-like system. What quantum changes? Most Bitcoin quantum-risk discussions focus on digital signatures, not on Bitcoin's coin supply or the idea that a quantum computer could magically guess random wallets."
BTQ Technologies launched a Bitcoin Quantum testnet on Jan. 12, 2026 to trial post-quantum signatures in a Bitcoin-like environment. The testnet replaces ECDSA/Schnorr with ML-DSA, the module-lattice signature standard formalized by NIST as FIPS 204, to assess post-quantum security assumptions. The dominant quantum threat model centers on public-key exposure: if a public key is visible onchain, a cryptographically relevant quantum computer could run Shor's algorithm to derive the private key and enable unauthorized spending. Post-quantum signatures increase transaction sizes and block space demands. Legacy output types and address reuse concentrate remaining pre-quantum risks.
Read at Cointelegraph
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