API Referencemethodseth_signeth_signReturns an EIP-191 signature over the provided data.Parameters (by position)Address string requiredMessage string requiredResultSignature string65 hex encoded bytesMatch pattern: ^0x[0-9a-f]{130}$Exampleseth_sign exampleRequest{ "params": [ "0x9b2055d370f73ec7d8a03e965129118dc8f5bf83", "0xdeadbeaf" ]}Response"0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a12d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee1b"RequestCopy ▾Server URL:Send{ "jsonrpc": "2.0", "method": "eth_sign", "params": [ "0x9b2055d370f73ec7d8a03e965129118dc8f5bf83", "0xdeadbeaf" ], "id": 1 }