The "virtual currency" had been launched 5 years earlier by computer hobbyists, and in late 2013, the US dollar exchange rate for one bitcoin rose more than fivefold in the space of a few weeks. What makes currency a good medium of exchange is that it is lightweight and easy to spend. His post does a good job of describing various problems that current hardware wallets can’t handle, https://youtu.be but he notes that necessary "changes may be very difficult". His report provides visual examples, both good and bad, of how many systems handle RBF transactions. Treat taproot as always active is a PR by Marco Falke to make transactions spending taproot outputs standard, regardless of taproot deployment status. First, you've got to open an account with a trading platform and make a wallet; you'll find some examples by searching Google for 'Bitcoin trading platform' - they typically have names involving 'coin', or 'market'.
Benvenuto!
