Demo for onboarding to a private Ethereum chain with "almost know your customer"
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README.md

EIP-712 Onboarding

Note: The corresponding blog post is here: http://blockchainers.org/index.php/2018/12/30/invite_me-onboarding-to-ethereum-chains-with-keybase-io-identity-verification-and-eip-712/

In this demo users are identified with either their Twitter, Github or Reddit accounts via Keybase and are onboarded (by sending 10 ETH) to a private Ethereum chain.
The project is based on the corresponsing blog post.
The project is solely for training purposes, do not use any part in production environments!

Integration overview

Prerequisites

  • Ganache
  • Java 8+
  • Maven
  • optional: Git

Setup

  • Clone project with git clone or download the project as a compressed file

Run

  • Start Ganache with mnemonic candy maple cake sugar pudding cream honey rich smooth crumble sweet treat
  • Build project with mvn clean package
  • Change to directory target and start application with java -jar safesig-0.0.1.jar

Credentials

Original EIP712 Signing Demo

This is derived from the demonstration of EIP712 signing support (EIP712 Signing Demo) via MetaMask's eth_signTypedData_v3 API call.

Try the original version here.

You need a version of MetaMask that supports eth_signTypedData_v3 to use this demo (4.14+).

Aragon and Keybase

As mentioned in the corresponding blogpost, the original idea is based on blog posts by Aragon and on functionality provided by keybase.io.