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Web3Signer is an open-source signing service developed under the Apache 2.0 license and written in Java.

What can you do with Web3Signer?

Web3Signer can sign on multiple platforms using private keys stored in an external vault, or encrypted on a disk.

Web3Signer can sign payloads using secp256k1 and BLS12-381 signing keys, and supports the following platforms:

  • Execution layer (formerly called Ethereum 1.0)
  • Consensus layer (formerly called Ethereum 2.0)
  • Filecoin

New to Web3Signer?

Get started by running Web3Signer with Docker or installing Web3Signer. You can: