In the nascent crypto world, different areas are using this new money in different ways: The US currently tends to store of value. Other areas (Venezuela, El Salvador) are tending toward medium of exchange.
In any case: OP's reversibility-of-transactions is a financial services function, not a "money" function.
Physical cash is money, and serves the functions of money (see eg https://en.wikipedia.org/wiki/Money#Functions)
Bitcoin does the same.
In the nascent crypto world, different areas are using this new money in different ways: The US currently tends to store of value. Other areas (Venezuela, El Salvador) are tending toward medium of exchange.
In any case: OP's reversibility-of-transactions is a financial services function, not a "money" function.