{ "config": { "chainId": 123, "homesteadBlock": 0, "eip150Block": 0, "eip155Block": 0, "eip158Block": 0, "byzantiumBlock": 0, "constantinopleBlock": 0, "petersburgBlock": 0, "istanbulBlock": 0, "muirGlacierBlock": 0, "berlinBlock": 0, "londonBlock": 0, "terminalTotalDifficulty": 0, "shanghaiTime": 0, "cancunTime": 0 }, "genesis": { "nonce": "0x42", "timestamp": "0x0", "extraData": "", "gasLimit": "0x1C9C380", "difficulty": "0x0", "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000", "coinbase": "0x0000000000000000000000000000000000000000", "alloc": { "0x73cf19657412508833f618a15e8251306b3e6ee5": { "balance": "0x6d6172697573766477000000" } }, "number": "0x0", "gasUsed": "0x0", "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000", "baseFeePerGas": "0x7" } }