Basic Attention Token project purpose and description

Basic Attention Token clarity of purpose

Basic Attention Token purpose and aspects

decentralized advertising, transparent digital ad exchange, Brave browser anonymously monitors user attention, advertisement blocker, rewards publishers

Short description

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 Brave platform. The utility of the token is based on user attention, which simply means a person’s focused mental engagement.


Digital advertising is broken. The marketplace for online advertising, once dominated by advertisers, publishers and users, has become overrun by “middleman” ad exchanges, audience segmentation, complicated behavioral and cross-device user tracking, and opaque cross-party sharing through data management platforms. Users face unprecedented levels of malvertisements and privacy violations. Mobile advertising results in as much as $23 per month in data charges on the average user’s data plan, slow page loads, and as much as 21% less battery life. In response, over 600 million mobile devices and desktops (globally) employ ad blocking software and this number is growing. Traditional publishers have lost approximately 66% of their revenue over the past decade, adjusted for inflation. Publishers face falling revenue, users feel increasingly violated, and advertisers’ ability to assess effectiveness is diminished. The solution is a decentralized, transparent digital ad exchange based on Blockchain. The first component is Brave, a fast, open source, privacy-focused browser that blocks third party ads and trackers, and builds in a ledger system that measures user attention to reward publishers accordingly. Brave will now introduce BAT (Basic Attention Token), a token for a decentralized ad exchange. It compensates the browser user for attention while protecting privacy. BAT connects advertisers, publishers, and users and is denominated by relevant user attention, while removing social and economic costs associated with existing ad networks, e.g., fraud, privacy violations, and malvertising. BAT is a payment system that rewards and protects the user while giving better conversion to advertisers and higher yield to publishers. We see BAT and associated technologies as a future part of web standards, solving the important problem of monetizing publisher content while protecting user privacy.

Link to Roadmap:
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