[{"type":"report","id":"BLC-STUDY-1434","title":"Add precompiled contract for Ed25519 signature verification","author":[{"literal":"Tobias Oberstein"}],"issued":{"date-parts":[[2018]]},"publisher":"Tobias Oberstein","URL":"https://github.com/ethereum/EIPs/blob/master/EIPS/eip-665.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]