Bitcoin prices rallied on Monday to hit a fresh record high above $72,000, after the British financial watchdog said it would allow exchanges to list cryptocurrency-linked exchange-traded products for the first time.The Financial Conduct Authority said in a notice Monday that it would not object to requests from recognized investment exchanges to create a U.K.-listed market segment for crypto-backed exchange traded notes, or ETNs.Exchanges would need to ensure they have sufficient controls in place, so that trading is orderly and proper protection is afforded to professional investors….