# Bitcoin (BTC) Public Keys Are Visible for 35.4% of Supply By Simon Yoon Canonical URL: https://www.tokenpost.com/news/technology/54528 Published: 2026-11-11T21:53:06.000Z Updated: 2026-11-11T21:53:06.000Z Section: Technology > About 7.12 million BTC are in the exposed group. Moving the affected holdings to fresh addresses removes the public-key visibility risk. Bitcoin (BTC) public keys tied to 35.4% of the supply are visible on-chain, placing about 7.12 million BTC in a group that could be targeted by future quantum computers. The figure describes potential exposure tied to key visibility on the blockchain. It is not a count of coins already taken. The risk scenario involves a future quantum computer capable of attacking the visible keys. A transfer of affected holdings to fresh addresses removes the exposure. The on-chain measure classifies supply by [public-key visibility](). ## Links in this article - [public-key visibility](https://www.tokenpost.com/news/technology/54051)