[{"type":"report","id":"BLC-STUDY-0481","title":"Prevent ticket touting","author":[{"literal":"LeadBest Consulting Group"},{"literal":"Sandy Sung"},{"literal":"Mars Peng"},{"literal":"Taien Wang"}],"issued":{"date-parts":[[2023]]},"publisher":"LeadBest Consulting Group , Sandy Sung , Mars Peng , Taien Wang","URL":"https://eips.ethereum.org/EIPS/eip-7439","note":"Rights status: Official external source only. Not a licence to republish the paper."}]