Stablecoins are a type of Bitcoin alternative (altcoin) that is built to offer more stability than other cryptos. Some are actually backed by a reserve of the asset they represent; others use algorithms or other methods to keep their values from fluctuating too much.Stablecoins vs. other cryptocurrenciesAll cryptocurrencies are are based on similar blockchain technology, which enables secure ownership of digital assets. Cryptocurrencies circulate on decentralized networks that use cryptograph...