Answer to a Question what are ALT coins.?

Alternative to Bitcoin:

Altcoins are, by definition, cryptocurrencies that are not Bitcoin. They represent a diverse group of digital currencies with various purposes and technologies. 

Examples:

Some well-known altcoins include Ethereum (ETH), Litecoin (LTC), Ripple (XRP), and Dogecoin (DOGE). 

$ETH $XRP $SOL