blockchain ledgers are open and public and you could think of the contents of any wallet as a bounty for cracking that wallet's private key. some of the wallets

blockchain ledgers are open and public and you could think of the contents of any wallet as a bounty for cracking that wallet's private key. some of the wallets involved in early bitcoin transactions would make perfect targets - they havent moved in years and are presumed lost. the btc in them is worth billions.