[Over the past year, BTC involved in address reuse has increased from 3.79 million to 4.33 million, accounting for 21.5% of circulating supply] According to data from Glassnode, most BTC with visible public keys are exposed due to address reuse (as these addresses have conducted outgoing transactions, their public keys are subsequently revealed; transferring these coins to new addresses can eliminate exposure risk), and this proportion has been steadily increasing. Over the past year, the total amount of BTC involved in address reuse has risen from 3.79 million to 4.33 million, now accounting for 21.5% of the circulating supply.