Digital currency engineers are working on a domain name system (DNS)-style protocol to enable money to be shared across different networks.
The idea of digital currency – and particularly blockchains – has taken off in recent years, but there remain a number of competing networks that are unable to talk to one another: the automated clearing houses that banks use, the credit card company networks, blockchains, and so on.
http://www.theregister.co.uk/2016/07/21/boffins_plan_a_dns_for_digital_money/