Study says address reuse has exposed public keys tied to 4.33 million BTC

Study says address reuse has exposed public keys tied to 4.33 million BTC

N
News Editor
2026-10-08 21:57:54
Techub News, citing Crypto Briefing, reported that repeated use of Bitcoin addresses is increasing both security risks and the likelihood of regulatory scrutiny. According to the cited research, about 4.33 million BTC currently have exposed public keys because of address reuse. The figure spans roughly 2.1 million addresses and represents about 20.6% of Bitcoin’s circulating supply. The report adds that the issue could lead to changes in storage practices and migration strategies. No additional methodology or timeline was disclosed in the brief. The item frames address reuse as a growing operational concern rather than a theoretical one, with the scale of exposed public keys standing out as the central data point. Techub attributed the information to Crypto Briefing in its news flash.

Techub News, citing Crypto Briefing, reported that repeated use of Bitcoin addresses is adding to security risks and could draw greater regulatory scrutiny.

Research cited in the brief said about 4.33 million BTC currently have exposed public keys because of address reuse. That total covers around 2.1 million addresses, or about 20.6% of Bitcoin’s circulating supply.

The report also said the trend could shift storage practices and migration strategies.

This article was originally published by Bit.Fan. For more cryptocurrency news and market insights, visit www.bit.fan.
200

Disclaimer:

The market information, project data, and third-party content displayed on this platform are for industry information sharing only and do not constitute any form of investment advice or return commitment.

Cryptocurrency trading carries high risks. Users should fully assess their risk tolerance and make independent decisions. All profits, losses, and legal responsibilities are borne by the users themselves.