Bitcoin (BTC) has recovered 25% from its multi-year low below $60,000, with momentum indicators flashing rare “buy” signals. Key takeaways: Bitcoin’s MACD, RSI confirm “bull market is on” Data from TradingView showed BTC/USD trading at $75,

Bitcoin, which is secured by a network of so-called miners who use powerful computers to validate transactions in return for newly issued bitcoin, uses as much electricity each year as some small countries, with its energy demands climbing along with its price as more miners join the network.

After a tremendous 16,820% gain in the past 10 years, it's reasonable to believe that the leading cryptocurrency's performance won't be nearly as impressive in the future.