[{"type":"report","id":"BLC-STUDY-0057","title":"Basic Attention Token: Blockchain Based Digital Advertising","author":[{"literal":"Brave Software"}],"issued":{"date-parts":[[2018]]},"publisher":"Brave Software","URL":"https://basicattentiontoken.org/BasicAttentionTokenWhitePaper-4.pdf","note":"Rights status: Official external source only. Not a licence to republish the paper."}]