Cardano coin (ADA) is a cryptocurrency launched in 2017. The currency is based on the Cardano network. The leader of the dev team is Charles Hoskinson, an experienced developer who worked for Ethereum and BitShares prior to the launch of Cardano. Cardano is the first cryptocurrency to use academically peer-reviewed open-source code, which makes this project quite unique.
The consensus algorithm of Cardano is Proof-of-Stake. Cardano is usually praised for its high level of security and quick transactions. Cardano currency quickly gained value and became one of the top 10 cryptocurrencies by market capitalization.
Streamr DATAcoin (DATA) is the token powering the open-source network Streamr. It is listed on the number of exchanges paired with other cryptos. You can also buy and sell DATA with the Korean platform Coinone.