Brave is a fast, open source, privacy-focused browser that blocks ads and trackers, and contains a ledger system that measures user attention aggregate to accurately reward publishers in BAT tokens.
The
Basic Attention Token (BAT) is an utility token in a new, decentralized, open source and efficient blockchain-based digital advertising platform.
https://www.airdropers.club/en/airdrop/brave-browser-basic-attention-token