[{"type":"report","id":"BLC-STUDY-1309","title":"Deprecate the CALLCODE opcode","author":[{"literal":"Alex Beregszaszi"}],"issued":{"date-parts":[[2019]]},"publisher":"Alex Beregszaszi","URL":"https://github.com/ethereum/EIPs/blob/master/EIPS/eip-2488.md","note":"Rights status: Licensed for redistribution. Not a licence to republish the paper."}]