Litecoin was created in 2011 by a Google employee Charlie Lee. Currently, this cryptocurrency is one of the largest by market capitalization. Litecoin was created as one of the first forks of the Bitcoin blockchain. Also, it is safe to say that Litecoin is one of the first altcoins. While Bitcoin is based on SHA-256 algorithm, Litecoin utilizes a lighter scrypt algorithm.
The Dentacoin (DCN) token represents an extended version of an ERC-20 contract. The token is available with several exchange platforms. At the moment of writing, you can trade DCN against two fiat currencies (EUR and USD) with Folgory exchange.