The problem with cash is that a lot of commerce occurs over the Internet these days. And cash can be controlled or abused by the government. Even if cash is nev

The problem with cash is that a lot of commerce occurs over the Internet these days. And cash can be controlled or abused by the government. Even if cash is never technically banned, banks can limit withdrawals to low amounts, any limits can be kept and functionally eroded over time due to inflation, and with enough effort it can be tracked just as well as digital payments. Personally I see this as the (probably only) actual-use-case for crypto: permissionless payments