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Definition: FIO

(1) See Future I/O.

(2) (Foundation for Interwallet Operability) Pronounced "fee-oh," the FIO was founded in 2018 to provide a human-readable alternative to using long alphanumeric blockchain addresses for cryptocurrency transactions. An FIO address is a username and domain similar to email. For example, "patjones@coinomi" could be a valid FIO address, and crypto could be sent to patjones@coinomi instead of a cryptographic-created public address that contains up to 34 alphanumeric characters. See Bitcoin address.

Any crypto processing component such as a wallet, exchange or application can use the FIO protocol and FIO names. The name is actually meta-data that can be attached to any transaction on any blockchain. FIO requests are fully encrypted and do not interfere with blockchain transactions.

The FIO Chain
The FIO protocol runs on its own blockchain and has its own token. FIO-enabled products purchase the tokens to pay the fees that support the protocol. See crypto glossary and blockchain.