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Blockchain Digital Advertising Introducing a decentralized, transparent digital ad exchange based on Ethereum Blockchain.

open source transparent 
decentralized efficient

Basic Attention Token radically improves the efficiency of digital advertising by creating a new token that can be exchanged between publishers, advertisers, and users. It all happens on the Ethereum blockchain.
The token can be used to obtain a variety of advertising and attention-based services on the BAT platform. The utility of the token is based on user attention, which simply means a person’s focused mental engagement.