Site:
www.biblepay.org
Basic Attention Token (or BAT) is an utility token and ad exchange tool associated with the Brave browser. BAT is an open-source decentralized project as it's based on the Ethereum blockchain.
The very concept of BAT is aimed at changing relations between users, advertisers, and publishers creating a separate ad space where ads can be easily switched off by users. If users opt to watch ads they get rewards from advertisers in BAT tokens. Users can donate BAT tokens to content creators or use it on the platform.
Kleros (PNK) is a cryptocurrency and operates on the Ethereum platform.
Siacoin is a utility token of the cloud storage platform called the Sia network. Sia is open-source and blockchain-based. The operations take place on Sia's own blockchain. The coin is used to pay for storage rent transactions. The coin is Proof-of-Work-based meaning that Siacoin can be mined. Another use for the coin is trading.