OST is currently based on cryptocurrency Ethereum protocol and serves as the currency of the OST ecosystem. The token is represented on the number of exchange platforms paired with other cryptos.
Telcoin (TEL) is an Ethereum token allowing mobile operators to sell them among their subscribers. The token enables easy and instant transfers between mobile money. You can buy TEL tokens with the number of exchanges. The purchase in USD is also available.
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.