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Crypto, token, consensus, file, and smart contract services for the Hedera public ledger


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Hedera Services

Implementation of the Platform and the services offered by nodes in the Hedera public network.

Overview of child modules

  • platform-sdk/ - the basic Platform – documentation
  • hedera-node/ - implementation of Hedera services on the Platform – documentation

Getting Started

Refer to the Quickstart Guide for how to work with this project.


Hedera Contracts support pragma solidity <=0.8.9.


If you have a question on how to use the product, please see our support guide.


Contributions are welcome. Please see the contributing guide to see how you can get involved.

Code of Conduct

This project is governed by the Contributor Covenant Code of Conduct. By participating, you are expected to uphold this code of conduct.


Apache License 2.0