[everfree]

> Nope. Still need to convert it to real money for buying something. Gas fees > transfer fees.

Sure, if you choose an expensive (congested) blockchain to make the transaction. Otherwise the fees are about comparable or in some cases even less (below 1% for a round-trip from "real money" to crypto and back).

> Without an underlying economic activity it's all a ponzi scheme.

What do you mean by "underlying economic activity", and what kind of such activity does for example a bank or fintech possess that distributed ledger tech does not?