Takeaways:

The term “altcoins” refers to all cryptocurrencies other than Bitcoin.

Some of the main types of altcoins include mining-based cryptocurrencies, stablecoins, security tokens, and utility tokens.

Altcoins might include only mining-based cryptocurrencies other than Bitcoin in the future as usage continues to develop with technology.

Ethereum and Ripple were the largest altcoins by market capitalization in February 2020.