Bitcoin, secured for the quantum era.
A post-quantum fork of Bitcoin using ML-DSA-65 (Dilithium) lattice-based signatures. Migrate your BTC to quantum-safe UTXOs — no trust required.
ABOUT
Quantum computers threaten the elliptic curve cryptography securing every Bitcoin transaction. QubitCoin is a Bitcoin fork that replaces ECDSA with NIST-standardized post-quantum signatures — today.
ML-DSA-65 (FIPS 204) lattice-based signatures resist both classical and quantum attacks. Your coins stay safe even when large-scale quantum computers arrive.
BTC holders prove ownership with a one-time ECDSA signature to claim their full aggregated address balance as quantum-safe QBTC. No trust, no intermediaries.
Same UTXO model. Same SHA-256 proof-of-work. Same decentralized ethos. QubitCoin preserves what makes Bitcoin great — and future-proofs it.
TECHNOLOGY
Built on NIST-standardized post-quantum cryptography with Bitcoin's proven architecture.
Module-Lattice Digital Signature Algorithm at security level 3. Based on the hardness of the Module Learning With Errors problem — no known quantum algorithm can efficiently solve it.
QubitCoin forks from a real Bitcoin Core dumptxoutset — the complete ledger state at a specific block height. Every supported address balance is aggregated per address and committed in the genesis block.
UTXO Model
Bitcoin-style unspent outputs with ML-DSA-65 signatures.
SHA-256 Mining
Quantum computers offer at most 2x speedup via Grover's.
ECDSA Claims
One-time secp256k1 proofs to claim your address balance.
BTC Snapshot
Real Bitcoin UTXO dump, aggregated per address with merkle commitment.
PROCESS
Migrate from Bitcoin to QubitCoin in three steps.
A Bitcoin full node dumps the complete UTXO set via dumptxoutset. ~164M UTXOs are parsed, filtered to all standard types, and aggregated into ~58M address balances. The genesis block commits to a merkle root of this snapshot.
A Bitcoin full node dumps the complete UTXO set via dumptxoutset. ~164M UTXOs are parsed, filtered to all standard types, and aggregated into ~58M address balances.
Sign a claim message with your Bitcoin private key. The network verifies your key matches a snapshot address and binds your full aggregated balance to a new ML-DSA-65 public key. One claim per address.
Once claimed, your QBTC coins live in quantum-resistant UTXOs. All future transactions use ML-DSA-65 signatures — safe from both classical and quantum adversaries.
Once claimed, your QBTC coins live in quantum-resistant UTXOs. All future transactions use ML-DSA-65 signatures — safe from both classical and quantum adversaries.
QubitCoin is open-source. Dive into the code, run the simulations, and see post-quantum cryptography in action.