It's interesting how banking apps like Revolut have gradually adopted Bitcoin.

1st allowed buy/sell bitcoin within closed system.

2nd allowed withdrawals to external wallet.

3rd allowed deposits from external wallet.

Next: Lightning Network integration.

This process has been similar in Paypal and others. It's interesting because I believe that traditional banks will copy it on their apps. Then, suddenly, we will find that a majority of the adult population will have a bitcoin app by default. Once that critical mass is reached... Bitcoin payments and circular economy can begin to take off.

When Bitcoin is widely accepted for payments... many people will start to question: why have a bank account at all? All I need is a Bitcoin wallet!