Emercoin (EMC) is the mineable coin based on the Emercoin’s own blockchain. You can convert these coins to other cryptos and back on a few exchanges. Emercoin was launched as early as in 2013 as the Peercoin’s fork.
Enjin Coin (ENJ) is an ERC-20 token of the Enjin Coin platform. It’s provided by Binance as part of ENJ/BTC pair. Enjin game development platform provides the tools to create and power blockchain assets.