Viacoin is a Script-based cryptocurrency derived from Bitcoin. Similar to Bitcoin and other cryptocurrencies, Viacoin is also an open-source project. Viacoin aims to be the cryptocurrency of future, by integrating many innovative key technologies such as SegWit, APoW, Lightning Network, Dark Gravity Wave, and more. Viacoin claims to allow 25 times faster transactions than Bitcoin. It can be merged mined with the other Script cryptocurrencies like Litecoin, This is done by using an Auxiliary Proof-of-Work (AuxPoW) algorithm. Every six months, Viacoin halves the block reward that is given to users for Viacoin mining, resulting in a low inflation rate of Viacoin. Check out CoinBureau for the complete review of Viacoin.
MintCoin is a new Proof of Work (POW) / Proof of Stake (POW) hybrid cryptocurrency coin. It's objective is to become the next innovative, secure, and energy efficient cryptocoin in the market. MintCoin is distributed using a fast POW distribution mechanism, and after 5 weeks, it becomes a pure POS coin. This makes the coin completely energy efficient in order to sustain itself, not having to depend on resource intensive mining rigs. MintCoin now runs on 100% Proof-of-Stake to secure the network. After the year 2016, stakers will receive a fixed 5% indefinitely as reward for securing the network. PoS variable interests: - 1st year: 20% - 2nd year: 15% - 3rd year: 10% - 4th and subsequent years: 5% MintCoin is often compared with its close counterpart - Peercoin and NXT