[{"type":"report","id":"BLC-STUDY-0859","title":"721/20-compatible transfer","author":[{"literal":"Ross Campbell"}],"issued":{"date-parts":[[2021]]},"publisher":"Ross Campbell","URL":"https://github.com/ethereum/ERCs/blob/master/ERCS/erc-4521.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]