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: Note: The following is an excerpt from the official Ethereum site. It is provided here as a connivence and is not authoritative. Refer to the original document as the authoritative reference.
| Title | Create `eth_chainId` method for JSON-RPC |
| Author | Isaac Ardis, Wei Tang, Fan Torchz |
| Status | Draft |
| Created | 2017-08-21 |
| Description | http://eips.ethereum.org/EIPS/eip-695 |
| Specification | http://eips.ethereum.org/EIPS/eip-695#Specification |
| Category | Interface |
eth_chainId method in eth_-namespaced JSON-RPC methods.eth_chainId method should return a single STRING result for an integer value in hexadecimal format, describing the currently configured “Chain Id” value used for signing replay-protected transactions, introduced via erc_0155 | EIP-155]].