This is already possible with the emergence of cryptocurrency ATM that is now available in some countries where you can withdraw your cryptocurrency in fiat currency through the ATM.
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I hope it will spread to Africa, Nigeria especially we are the largest economy in Africa with nothing to show for it .. shame!There are a few banks in the U.S. that are allowing crypto to be held and transferred inside your bank account. Though it is still being worked on with a number of other banks that have shown interest. Most of them have to figure out how to mitigate the costs of allowing people to sell or transfer the crypto.
Exactly, this is what the question was talking about, not whether you can withdraw your crypto into your local bank account, which by the way isn't possible. What people are describing is basically selling their crypto to fintech while they in turn pay in local currency.I think the question is asking if someday we can go to the bank and deposit or buy cryptocurrency into your account not using any app or phones
I think this will be possible in the next 4-5 years but that's after the world have fully understood the meaning and worth of cryptocurrency