US Patent 10915895 Managing electronic cryptocurrencies

A method and system are configured for performing a transfer of digital currency from an owner of the digital currency to a recipient of the digital currency. The transfer of digital currency includes transferring a sequence of digitally signed transactions from the owner to the recipient. The method and system are further configured for recording the performed transfer of digital currency to a block chain public ledger, generating a digital contract for the recipient that converts the transferred digital currency from an intangible asset type to a financial asset type, and storing the generated digital contract along with electronic credentials associated with accessing the digital currency in a holding account for the recipient.