Public Keys on Mr.Yamhttps://mr.nickyam.com/tags/public-keys/Recent content in Public Keys on Mr.YamHugoen-usThu, 22 Oct 2026 09:45:00 +0800Bitcoin Quantum Risk: 6 Million BTC Exposed — Where Does It Come From?https://mr.nickyam.com/Crypto/Bitcoin-Quantum-Risk-6-Million-BTC-Exposed/Thu, 22 Oct 2026 09:45:00 +0800https://mr.nickyam.com/Crypto/Bitcoin-Quantum-Risk-6-Million-BTC-Exposed/<p>Recent industry research has zeroed in on a new security question for Bitcoin: which coins are actually exposed to quantum risk right now, in their current holding state? The core test is whether the public key needed to spend a coin has already been revealed on-chain. By that measure, roughly <strong>6.04 million BTC — 30.2% of total issuance — currently sit behind public keys that are already visible on-chain</strong> [1]. The remaining 13.99 million BTC (69.8%) keep their public keys hidden while dormant, and are not exposed under this model. (A subsequent update from the same researcher on October 8 later revised the exposed figure to 6.26 million BTC, or 31.2% of supply [2].)</p>