Bitcoin Quantum Explorer

About Bitcoin Quantum

Bitcoin Quantum (BTQ) is an independent blockchain derived from Bitcoin Core. It keeps Bitcoin's 21,000,000 BTQ supply cap and SHA-256 proof-of-work, and replaces ECDSA signatures with ML-DSA (CRYSTALS-Dilithium), the post-quantum signature scheme standardized as NIST FIPS 204. This explorer indexes every block, transaction and address on that chain.

What is Bitcoin Quantum (BTQ)?

Bitcoin Quantum is an independent blockchain derived from Bitcoin Core that replaces ECDSA with post-quantum signatures. It keeps Bitcoin's 21,000,000 BTQ supply cap and SHA-256 proof-of-work, but signs transactions with ML-DSA (CRYSTALS-Dilithium), standardized as NIST FIPS 204. The project is built by BTQ Technologies.

What is the Bitcoin Quantum Explorer?

The block explorer for Bitcoin Quantum (BTQ), the post-quantum Bitcoin chain secured by NIST-standardized ML-DSA signatures. It indexes every block, transaction and address on the chain, and serves the same data through a free public JSON REST API.

How is Bitcoin Quantum different from Bitcoin?

Bitcoin Quantum changes the signature scheme, not the monetary policy. Bitcoin signs with ECDSA, which a large quantum computer could break with Shor's algorithm. Bitcoin Quantum signs with ML-DSA (CRYSTALS-Dilithium) at 128-bit post-quantum security. It also targets 1 minute blocks with an 8 MB block size limit, because post-quantum signatures are larger than ECDSA signatures.

What do Bitcoin Quantum addresses look like?

Mainnet addresses start with qbtc, dbtc. Testnet addresses start with tbtq, tdbt. The chain uses BIP-360 Pay-to-Merkle-Root (P2MR) outputs, which keep the public key hidden until the coins are spent.

Is ML-DSA the same as Dilithium?

Yes. ML-DSA is the NIST name for the scheme submitted as CRYSTALS-Dilithium. NIST published it as FIPS 204 in August 2024. This explorer marks transactions that carry ML-DSA signatures with a Dilithium badge.