It won't happen. They are pushing electronic payments. COVID helped. The best this will do is delay making cash illegal, or at least extremely restricted. The only way any country will keep cash in the long term is to overthrow the current puppets in government, abolish their privately owned central banks, ban jewish banking families and their armies of puppets from their politics entirely, including donations to their politics, and their media. Any country that does that will be targeted with color revolutions and coup's by three letter agencies. It'll take a very strong leader with broad popular support and an extremely talented security detail. Bitcoin is currently no good as a replacement for cash. It actually could have been, but it was infiltrated early on and rate limited while all plans to give it privacy were delayed endlessly. There are still projects out there that could do the job with privacy, but there are issues with scaling and more importantly adoption. Eventually they will be solved. If you want a clue, look at the cryptocurrencies targeted by regulators. Tornado Cash on Ethereum was one that scared them. If enough people use a system with native privacy, it really does become impossible to track individuals. The problem is not enough people are using the right private cryptocurrencies. You should look into it before making sweeping generalizations about crypto. There are thousands of projects.