Being one of the first completely anonymous cryptocurrencies, Nav Coin was launched in 2014. It originally began life as SummerCoinV2, and was eventually renamed Nav Coin.
Nav Coin is based on NavTech, which combines the Bitcoin blockchain with its own secondary sub chain. This means that Nav Coin transactions can be encrypted so that the sending wallet can be completely disconnected from the receiving wallet. Therefore, NAV users have the option of sending completely anonymous transactions through this double blockchain system.