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Your Keys, Your Identifier
Sign-In with Ethereum is a new form of authentication that enables users to control their digital identity with their Ethereum account and ENS profile instead of relying on a traditional intermediary. Already used throughout Web3, this effort standardizes the method with best practices and makes it easy to adopt securely.
The following is an abridged version of the Sign-In with Ethereum documentation. The original documentation can be found here.
To hop right in, check out our Quickstart Guide:
We also recommend using SSX to install Sign-In with Ethereum. For more information on SSX, check out the following page:
To check out EIP-4361 - Sign-In with Ethereum, check out its EIP page here:


  • We currently have support for Sign-In with Ethereum in the following languages:


  • 💻 - Check out the Sign-In with Ethereum home page for more information about supporters, and recent activity.
  • 👾
    Discord - Join the #sign-in-with-ethereum channel in the Spruce Discord Server for additional support.
  • 📖
    Blog - Check out the latest updates on Sign-In with Ethereum posted on the Spruce blog.