Bitcoin (BTC)Ethereum (ETH)Avalanche (AVAX)Binance (BNB, BSC)Solana (SOL)These will be the leading five cryptocurrencies if the curtain closes on 2021.aSection 1: IntroductionIn past times, the best cryptocurrency was bitcoin, which was launched in 2009. BTC was the 1st and continue to is the biggest cryptocurrency in the world. Cryptocurrency trum