CloakCoin (CLOAK) cryptocurrency was launched in 2014. It offers an anonymous payment option. You can buy this digital asset on a number of exchanges, including decentralized and instant exchanges, points of sales. It’s also possible to buy CLOAK for fiat (hard) currencies.
Aeternity (AE) token can be used as a reward for miners and allows its holders to participate in the voting process inside the blockchain. It is also available on multiple exchanges.
Scry.info (DDD) is an Ethereum-based token of the Scry.info global data aggregator. DDD token is listed on a few exchanges paired against bitcoin and Ethereum. In this abbreviation, “DDD” stands for "distributed data depositary".