6 Million BTC Sit Exposed: New Quantum Security Fix for Bitcoin Wallets
Around 6.04 million Bitcoin — roughly 30% of the total supply — already have their public keys exposed on the blockchain. That single statistic is what makes quantum security for Bitcoin wallets not a theoretical worry but an active, measurable risk. Now, researchers at AmericanFortress, a Wyoming-based blockchain security company, have put forward a system they believe could protect those wallets without forcing holders to move their funds.
Key takeaways
- AmericanFortress proposed ZKPoSP (Zero-Knowledge Proof of Seed Provenance), a post-quantum system letting wallet owners prove ownership without revealing their seed phrase.
- The system supports the most widely used wallet standards: BIP32, BIP44, and SLIP-10.
- Proof generation benchmarks ran at 12 to 13 seconds; verification took just 9 to 10 milliseconds.
- Blockchain analytics firm Glassnode estimated about 6.04 million BTC have exposed public keys vulnerable to quantum attacks.
- ZKPoSP is currently a research proposal — real-world use requires buy-in from wallet providers, exchanges, developers, and miners.
AmericanFortress Proposes ZKPoSP to Secure Crypto Wallets Against Quantum Threats
The system is called ZKPoSP, short for Zero-Knowledge Proof of Seed Provenance, and it represents a fundamental rethink of how wallet ownership gets verified. The research is published in a paper titled “ZKPoSP: Post-Quantum Zero-Knowledge Proofs for Hierarchical Deterministic Wallets.”
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