You'll be surprised to know that a cryptocurrency transaction is a record on a ledger of a transfer of some value. Whether it happens "off-chain" or not does n

You'll be surprised to know that a cryptocurrency transaction is a record on a ledger of a transfer of some value. Whether it happens "off-chain" or not does not discount it being a crypto-currency transaction. What the poster above is referring to are "level 2" solutions, for example [1] the Lightning Network for Bitcoin. In short, the crypto is being transacted on one network, then that record is finalized along with others on the Bitcoin ledger. [1]: https://cointelegraph.com/bitcoin-for-beginners/what-is-the-lightning-network-in-bitcoin-and-how-does-it-work https://cointelegraph.com/bitcoin-for-beginners/what-is-the-...