Viacoin is a cryptocurrency that was created in 2014. It was based on the Bitcoin protocol. Unlike Bitcoin, Viacoin uses the same Scrypt algorithm for consensus that Litecoin uses.
Crypterium is a platform which is designed to offer financial services similar to those provided by traditional financial institutions. But unlike traditional financial institutions they want to deliver support for cryptocurrencies. The platform hopes to be a leading cryptobank for the cryptocommunity.