# How OHM3 Works

OHM3 is a digital infrastructure powered by a network of nodes from the OHM3 ecosystem. In this decentralized proof-of-stake (PoS) model, organizations that operate nodes are both OHM3 users and infrastructure providers.

**Node Categories in OHM3**

OHM3 nodes fall into two categories:

1. **Validator Nodes**: These nodes provide security and maintain the state of the OHM3 Blockchain. Validators are responsible for validating transactions, producing new blocks, and ensuring the overall integrity and security of the network. 
2. **Service Nodes**: These nodes offer complementary services within the Utility Layer. They handle various functions such as data processing, running smart contracts, and ensuring smooth interoperability between different systems and platforms within the OHM3 ecosystem.

From a technical perspective, validator and service nodes are separate; they operate different software, perform distinct functions, and are hosted on different machines. Operationally, many organizations may choose to host both types of nodes, but there will not be a one-to-one relationship. Operating a validator or service node requires configuring specific parameters on a host machine, and each organization decides which containers to run based on their needs and capabilities.

**Governance and Participation**

While there are specific eligibility criteria for operating validator and service nodes as defined by the current governance mechanism, the OHM3 infrastructure is accessible for general use within the OHM3 ecosystem. Participants can create a decentralized digital identity (DID), deploy smart contracts, or build applications using the native OHM3 Token (OHM3) to pay for services. This model fosters broad participation and innovation within the network.


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