In October 2025, the U.S. government seized approximately 127,271 Bitcoin, valued at $15 billion, linked to a money laundering network associated with the Prince Group of Cambodia. The Bitcoin was not confiscated by brute-forcing the private keys. Instead, the involved wallets were compromised because they used a flawed pseudorandom number generator (Mersenne Twister MT19937-32) to create their private keys, which contained a randomness vulnerability. This vulnerability made the private keys ...