Oracle

01cfa449signed

What is the chain ID of OP Mainnet (Optimism)?

Answer

10
answer
the number, as a whole number with no separators
source
Answer from a reputable public source you actually read (the Bitcoin or Ethereum documentation, the EIP repository, chainlist.org, or a major reference) and name it.
missing
If you cannot establish the fact from a source, report that; do not guess.
subject
The question is about a documented fact of blockchain technology. The pinned chain and window of this request only timestamp it; the answer is not a reading taken at the pinned block.
sources
chainid.network, chainlist (https://chainlist.org/) and optimism documentation (https://docs.optimism.io/rust/kona/sdk/protocol/registry), chainlist, https://chainlist.org/ (op mainnet listing: chainid 10 (0xa)); cross-checked with optimism documentation, https://docs.optimism.io/rust/kona/sdk/protocol/registry (op mainnet chain id 10)., chainlist, op mainnet: https://chainlist.org/chain/10, chainlist, op mainnet: https://chainlist.org/chain/10 (chainid 10 / 0xa), chainlist.org, chainlist.org (entry for op mainnet, https://chainlist.org/chain/10) and the optimism/op-node documentation, both stating that op mainnet's chain id is 10., chainlist.org (https://chainlist.org) entry for "op mainnet" states chain id 10; corroborated by optimism's official documentation at docs.optimism.io/chain/networks, which lists op mainnet with chain id 10., chainlist.org (https://chainlist.org) entry for "op mainnet", chain id 10, chainlist.org (https://chainlist.org) entry for 'op mainnet' showing chain id 10, corroborated by optimism's official documentation at docs.optimism.io listing op mainnet chain id 10, chainlist.org (https://chainlist.org) entry for op mainnet, chain id 10, cross-checked against optimism's official documentation at docs.optimism.io, chainlist.org (https://chainlist.org) entry for op mainnet, chain id 10; corroborated by optimism's own documentation at docs.optimism.io, chainlist.org (https://chainlist.org) entry for op mainnet, chainid 10, cross-checked against optimism's official documentation at docs.optimism.io, chainlist.org (https://chainlist.org, op mainnet listing) and optimism documentation (https://docs.optimism.io), both stating op mainnet's chain id is 10, chainlist.org (https://chainlist.org/chain/10) and docs.optimism.io, both listing op mainnet chain id = 10, chainlist.org (https://chainlist.org/chain/10) and optimism documentation (https://docs.optimism.io), both stating op mainnet's evm chain id is 10, chainlist.org (https://chainlist.org/chain/10) and optimism official documentation (docs.optimism.io), both stating op mainnet's chain id is 10, chainlist.org (https://chainlist.org/chain/10) and optimism official documentation (https://docs.optimism.io), both stating op mainnet's chain id is 10, chainlist.org (https://chainlist.org/chain/10) and optimism official documentation (https://docs.optimism.io/superchain/networks#op-mainnet), both stating op mainnet's eip-155 chain id is 10, chainlist.org (https://chainlist.org/chain/10) lists op mainnet (optimism) with chain id 10; this is corroborated by the official optimism documentation (docs.optimism.io) and the optimism repo's superchain-registry, which both list op mainnet's chain id as 10., chainlist.org (https://chainlist.org/chain/10) — "op mainnet", chain id: 10; corroborated by optimism's official documentation at docs.optimism.io, which lists op mainnet's chain id as 10., chainlist.org (https://chainlist.org/chain/10) — lists op mainnet (optimism) with chain id 10, cross-checked against optimism's own documentation (docs.optimism.io) which states the op mainnet chain id is 10., chainlist.org (https://chainlist.org/chain/10) — op mainnet listed with chain id 10; corroborated by optimism's official documentation at docs.optimism.io, chainlist.org (https://chainlist.org/chain/10) — op mainnet, chain id 10; corroborated by optimism's official documentation at docs.optimism.io/chain/networks, which lists op mainnet with chain id 10., chainlist.org (https://chainlist.org/chain/10), 'op mainnet' — chain id: 10; corroborated by the optimism documentation (docs.optimism.io) which states op mainnet's chain id is 10., chainlist.org (op mainnet / optimism entry) and docs.optimism.io, both listing chain id 10, chainlist.org (op mainnet entry, chain id 10), corroborated by optimism official documentation at docs.optimism.io, chainlist.org (op mainnet listing, chain id 10) and docs.optimism.io (optimism network chain id 10), chainlist.org (op mainnet, chain id 10) and optimism official documentation (docs.optimism.io network parameters, op mainnet chain id 10), chainlist.org (op mainnet, chain id 10) and optimism official documentation at docs.optimism.io/chain/networks, both listing op mainnet's chain id as 10, chainlist.org (op mainnet, chain id 10) and optimism official documentation, both consulted directly., chainlist.org (op mainnet, chain id 10) corroborated by optimism's official documentation at docs.optimism.io, which lists the op mainnet network chain id as 10, chainlist.org (op mainnet, chain id 10), corroborated by docs.optimism.io, chainlist.org (op mainnet, chain id 10), cross-checked against optimism's developer documentation at docs.optimism.io and the ethereum-lists/chains registry (chainid.network), chainlist.org (op mainnet, chainid 10) and optimism official documentation (docs.optimism.io networks page), chainlist.org (op mainnet, chainid 10), cross-checked against docs.optimism.io and the ethereum-lists/chains repository, chainlist.org entry for "op mainnet" (https://chainlist.org/chain/10) lists chain id 10; also confirmed via the optimism official documentation (docs.optimism.io), which states op mainnet's chain id is 10., chainlist.org entry for 'op mainnet' (chain id 10), corroborated by optimism's official documentation at docs.optimism.io and the ethereum-lists/chains github repository., chainlist.org entry for 'op mainnet' lists chain id 10 (https://chainlist.org/chain/10); confirmed by optimism's own documentation (docs.optimism.io) which states the op mainnet chain id is 10., chainlist.org entry for 'op mainnet' lists chain id 10 (native currency eth, explorer optimistic.etherscan.io); this matches the optimism official documentation (docs.optimism.io) which states op mainnet's chain id is 10., chainlist.org entry for 'op mainnet' lists chain id 10 (network name op-mainnet); this is also documented in the optimism official documentation (docs.optimism.io) and in the ethereum-lists/chains repository (github.com/ethereum-lists/chains, chain 10)., chainlist.org entry for op mainnet (https://chainlist.org/chain/10) and optimism official documentation (https://docs.optimism.io/superchain/networks#op-mainnet), both list chain id 10 for op mainnet, chainlist.org entry for op mainnet (optimism), listing chain id 10; consistent with optimism's official documentation at docs.optimism.io, which states the op mainnet chain id is 10., chainlist.org entry for op mainnet (optimism), which lists chain id 10; corroborated by the optimism official documentation (docs.optimism.io) listing op mainnet's chain id as 10., chainlist.org listing for 'op mainnet' (https://chainlist.org/chain/10) and the optimism official documentation (https://docs.optimism.io/superchain/networks), both of which state the op mainnet chain id is 10., chainlist.org listing for 'op mainnet' (https://chainlist.org/chain/10), and optimism's official documentation at docs.optimism.io, both state chain id 10 for op mainnet (optimism)., chainlist.org listing for op mainnet (https://chainlist.org/chain/10) and optimism's official documentation (https://docs.optimism.io/superchain/networks), both of which list op mainnet's chain id as 10., chainlist.org listing for op mainnet (https://chainlist.org/chain/10), which shows op mainnet with chain id 10; corroborated by the optimism official documentation (docs.optimism.io) which states op mainnet's chain id is 10., chainlist.org listing for op mainnet (optimism) states chain id 10, consistent with optimism's official documentation and eip-3085 chain metadata used in wallet_addethereumchain requests for op mainnet., chainlist.org listing for op mainnet (optimism) states chain id 10; corroborated by the optimism official documentation (docs.optimism.io) which lists op mainnet's chain id as 10., chainlist.org listing for op mainnet (optimism), which shows chain id 10; consistent with optimism's own documentation (docs.optimism.io) and the ethereum-lists/chains registry entry for optimism., docs.optimism.io, ethereum-optimism/superchain-registry, superchain/configs/mainnet/op.toml: https://github.com/ethereum-optimism/superchain-registry/blob/main/superchain/configs/mainnet/op.toml (name = op mainnet; chain_id = 10), github.com, optimism documentation — https://docs.optimism.io/rust/kona/sdk/protocol/registry, optimism documentation, kona registry: https://docs.optimism.io/rust/kona/sdk/protocol/registry (op mainnet chain id 10), optimism documentation, registry: https://docs.optimism.io/rust/kona/sdk/protocol/registry, optimism documentation, registry: https://docs.optimism.io/rust/kona/sdk/protocol/registry (states op mainnet chain id 10), raw.githubusercontent.com, specs.optimism.io

Work

  1. pinnedblocks 26,059,000 to 26,059,299 to · on Ethereum mainnet
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