> The problem is what is illegal then? Numbers? Cryptography? What is cash? Paper? Ink? Currency isn't defined by what it's made of. > there just happen to be

> The problem is what is illegal then? Numbers? Cryptography? What is cash? Paper? Ink? Currency isn't defined by what it's made of. > there just happen to be transactions on a distributed network, with some people knowing private keys to generate new transactions Transactions in which digital tokens are exchanged for goods, services, or other currencies, and the recipient of the tokens generally receives no benefit other than the ability to trade those tokens again. Cryptocurrencies are recognizable by the way they are used.