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General-purpose PKI on Ethereum
Solidity JavaScript
Branch: master
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MIT License npm

A general-purpose PKI, live on the Ethereum blockchain.


This is just a quick summary of the different contracts and their purposes. For more detailed descriptions, see the inline documentation in the contracts themselves.

  • Azimuth: contains all on-chain state for azimuth. Most notably, ownership and public keys. Can't be modified directly, you must use the Ecliptic.
  • Ecliptic: is used as an interface for interacting with your points on-chain. Allows you to configure keys, transfer ownership, etc.
  • Polls: registers votes by the Galactic Senate on proposals. These can be either static documents or Ecliptic upgrades.
  • Linear Star Release: facilitates the release of blocks of stars to their owners over a period of time.
  • Conditional Star Release: facilitates the release of blocks of stars to their owners based on milestones.
  • Claims: allows point owners to make claims about (for example) their identity, and associate that with their point.
  • Censures: simple reputation management, allowing galaxies and stars to flag points for negative reputation.
  • Delegated Sending: enables network-effect like distributing of planets.
  • Planet Sale: gives an example of a way in which stars could sell planets on-chain.

Live contracts

The core Azimuth contracts can be found on the Ethereum blockchain.

Galactic Senate

A suggested process for publicizing the proposals voted on by the Galactic Senate is described in Following that process, proposals that have been voted on and achieved majority can be found in proposals/.


Install dependencies. Most notable inclusion is Zeppelin-Solidity.

npm install

Build, deploy and test via Truffle using the following commands:

npx truffle compile
npx truffle deploy
npx truffle test

When verifying deployed contracts on services like Etherscan, be sure to use truffle-flattener for flattening contracts into single files.


To run the test suite automatically, use a simple:

npm test

This will spin up a local Ganache node in the background. If you'd like to use a persistent node, you can run

npx ganache-cli --gasLimit 6000000

and then test via npx truffle test.

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