In addition to bitcoin, there are about 800 cryptocurrencies in the world today, with only two dozen systems occupying the bulk of the market. The creators of each new cryptocurrency try to make their model more perfect, reliable and efficient. Some systems provide higher transaction speed, there are cryptocurrencies that provide a greater level of anonymity; there are cryptocurrencies that are more suitable for the exchange game than bitcoin, due to less volatility (value variability) of quotations. For example, on
https://fintechzoom.com/fintech_news_hot-crypto/investments-based-on-trust-or-the-crypto-currency-alphabet/#h-the-phenomenon-of-cryptocurrency-and-blockchain the main reference is to bitcoin, but there is no mention of other alternative coins.