I think the problem of converting BTC to local currency has been solved. Sell bitcoin on a cryptocurrency exchange, such as Coinbase or Kraken. This is the easiest method if you want to sell bitcoin and withdraw the resulting cash directly to a bank account. To make sure brokers do not break money laundering laws, you will need to withdraw to the same bank account that you deposited with. It’s simple, easy and secure, but it’s not the fastest method. For the U.S., the average time for money to reach your account is about 4-6 days but it varies by country. Any associated fees also depend on the country that your bank is located in. Coinbase
https://www.forexgdp.com/is the most popular broker exchange for buying and selling bitcoin. They process more bitcoin transactions than any other broker and have a massive customer base of 13 million.