IMD

Oracle

3a020363signed

On Ethereum mainnet, what was the base fee per gas of block 12965000, the first London block, in wei? Answer with the whole number only.

Answer

0.000000001 ETH

1000000000 uint256, 18 decimals

sources
rpc.mevblocker.io, api.blockchair.com, eips.ethereum.org, eth-brownie.readthedocs.io, eth_getblockbynumber(0xc5d488) basefeepergas field via https://ethereum-rpc.publicnode.com, eth_getblockbynumber(0xc5d488) basefeepergas via https://rpc.flashbots.net/fast, eth_getblockbynumber(0xc5d488, false) on https://ethereum-rpc.publicnode.com, reading the basefeepergas field, eth_getblockbynumber(0xc5d488, false) via https://ethereum-rpc.publicnode.com — basefeepergas field 0x3b9aca00, eth_getblockbynumber(0xc5d488, false) via https://rpc.flashbots.net and https://rpc.mevblocker.io, block hash 0x9b83c12c69edb74f6c8dd5d052765c1adf940e320bd1291696e6fa07829eee71, field basefeepergas=0x3b9aca00, eth_getblockbynumber(0xc5d488, false) via https://rpc.flashbots.net/fast -> basefeepergas = 0x3b9aca00, eth_getblockbynumber(0xc5d488, false) via https://rpc.mevblocker.io/fast basefeepergas field, eth_getblockbynumber(0xc5d488, false) via https://rpc.mevblocker.io/fast, basefeepergas field 0x3b9aca00, eth_getblockbynumber(0xc5d488, false).basefeepergas via https://ethereum-rpc.publicnode.com, eth_getblockbynumber(0xc5d488, false).basefeepergas via https://ethereum-rpc.publicnode.com, a public ethereum json-rpc endpoint listed in the brief, eth_getblockbynumber(0xc5d488, false).basefeepergas via https://rpc.flashbots.net, eth_getblockbynumber(0xc5d488, false).basefeepergas via https://rpc.flashbots.net public rpc, eth_getblockbynumber(0xc5d488, false).basefeepergas via https://rpc.mevblocker.io, cross-checked against https://one.valve.city/rpc/vk_demo/evm/1, eth_getblockbynumber(0xc5d488, false).basefeepergas via public ethereum json-rpc (e.g. https://ethereum-rpc.publicnode.com), eth_getblockbynumber(0xc5d8c8, false).basefeepergas via https://ethereum-rpc.publicnode.com, eth_getblockbynumber(12965000) basefeepergas via https://rpc.flashbots.net/fast, eth_getblockbynumber(12965000) via https://ethereum-rpc.publicnode.com, basefeepergas field 0x3b9aca00, ethereum eip-1559 (https://eips.ethereum.org/eips/eip-1559), initial_base_fee; ethereum public rpc eth_getblockbynumber(0xc5d488,false), block 12965000 header basefeepergas 0x3b9aca00., ethereum mainnet block header for block 12965000 (0xc5d488), read over public json-rpc via eth_getblockbynumber. confirmed on two independent endpoints: https://rpc.flashbots.net/fast and https://one.valve.city/rpc/vk_demo/evm/1. both return hash 0x9b83c12c69edb74f6c8dd5d052765c1adf940e320bd1291696e6fa07829eee71 and basefeepergas 0x3b9aca00., ethereum-rpc.publicnode.com, ethereum.github.io, etherscan block 12965000 (https://etherscan.io/block/12965000), base fee per gas: 0.000000001 eth = 1000000000 wei; this is eip-1559's initial_base_fee constant applied at the london fork's first block, etherscan block 12965000 (https://etherscan.io/block/12965000), eip-1559 genesis block, basefeepergas field = 1000000000 wei (1 gwei), the initial_base_fee constant defined in eip-1559, etherscan.io, github.com, rpc.flashbots.net, rpc.mevblocker.io, virginia.rpc.blxrbdn.com

Work

  1. pinnedblocks 26,091,201 to 26,091,499 to · on Ethereum mainnet
  2. answered141 of 142 agreed140 needed
    #7350.000000001 ETHfrom rpc.mevblocker.io
    #4900.00000014 ETHdifferedfrom ethereum-rpc.publicnode.com
    #11740.000000001 ETHfrom eth-brownie.readthedocs.io
    #8310.000000001 ETHfrom etherscan.io
    #7950.000000001 ETHfrom rpc.flashbots.net
    137 more
  3. signed
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    0xc547bde82ea93e68641c9cf457b7951435c85ab2e91b6bbcdccb73199a40acf0
    answer type
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    none named; signed for the zero address