An exchange may have accidentally torched $8.5 million worth of Bitcoin — that’s one of the leading theories after an unidentified wallet sent 107 BTC to an address from which the funds can never be recovered. Related Reading: Bitcoin’s 4-Year Rhythm Is Still Playing Out, Says Crypto CEO Conor Grogan, head of product business operations at Coinbase, said the burn was most likely caused by an exchange that made an error during a cold storage transfer. No Public Explanation From Anyone Involved Fi