Altcoins will be more profitable than other cryptocurrencies in 2021. Due to the increasing price of Bitcoin, the arena will be open for other coins. These cryptocurrencies will create many surprises for users. Altcoins are the most popular cryptocurrencies of 2021. It's a good sign, and soon it can easily reach the BTC price. But also a promising cryptocurrency to invest in nowadays's XRP grew a lot in 2020 and will grow more in 2021. You can check more on https://uphold.com/en/assets/crypto/buy-xrp.