On-chain analyst Willy Woo posted on X on the 3rd, presenting figures of 1.57 million BTC lost in self-custody and 1.51 million BTC lost in exchange custody, describing them as 'alarming numbers.' Known for his strong advocacy of self-custody, Woo's figures have spread as data highlighting the risks of self-custody.
The figure of 1.57 million BTC in self-custody was published by U.S. payment company River in 2025...