Which altcoins have their own blockchain?

Cryptocurrencies. Most cryptocurrencies use blockchain technology to record transactions . For example, the bitcoin network and Ethereum network are both based on blockchain.

Unlike crypto coins, tokens do not have their own blockchain . They operate on blockchains of crypto coins. For example, many tokens run on Ethereum. Stablecoins, whose value is usually pegged with US Dollar, is also a part of this category.

Cryptocurrency Coins: These are coins that are used as a transfer of value or a medium of exchange. The main purpose of a cryptocurrency coin is to function as digital cash. Cryptocurrency coins have their own native blockchain, for example, Bitcoin (BTC), Monero (XMR) and Bitcoin Cash (BCH) .