[{"type":"report","id":"BLC-STUDY-0876","title":"Held token interface","author":[{"literal":"Devin Conley"}],"issued":{"date-parts":[[2021]]},"publisher":"Devin Conley","URL":"https://github.com/ethereum/ERCs/blob/master/ERCS/erc-4987.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]