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4.12M Bitcoin at risk due to quantum-exposed addresses from poor wallet practices

Market News
21 May 2026
Tokenpost
View Source
Bearish
pluang ai news

Glassnode reports that 4.12 million Bitcoin are at risk because they are stored in quantum-exposed addresses, mainly due to address reuse and partial spending. This operational exposure, which is 2.1 times greater than structural exposure, poses a significant security risk beyond Bitcoin's protocol design. Cryptocurrency exchanges hold the largest share of exposed BTC, with Binance and Bitfinex showing the highest exposure. Improved wallet management, like avoiding address reuse, could reduce these risks without protocol changes.

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