Maybe the private keys were behind an encryption scheme that took roughly seven years to be cracked with brute force. I can't say I envy the owner(s) of these

Maybe the private keys were behind an encryption scheme that took roughly seven years to be cracked with brute force. I can't say I envy the owner(s) of these coins. Maybe a billion dollars worth of closely watched bitcoins it is a good problem though. Who knows? I certainly don't.