> For the complete documentation index, see [llms.txt](https://docs.infrablockchain.net/infrablockchain-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.infrablockchain.net/infrablockchain-docs/infrablockchain/service-chains.md).

# Service Chains

## [UR-Auth](/infrablockchain-docs/infrablockchain/service-chains/urauth.md)

**UR-Auth(Universal Resource Auth)** is a blockchain specialized in the registration of ownership, copyright information, and rules for data access and transactions based on DID. This document covers the overall features and functionalities related to URAuth.

## [InfraDID](/infrablockchain-docs/infrablockchain/service-chains/infra-did-parachain.md)

As a blockchain specialized in DID, this document covers the fundamental features and characteristics related to DID.

## [InfraEVM](/infrablockchain-docs/infrablockchain/service-chains/infra-evm-parachain.md)

This document provides an overview of InfraEVM, a blockchain compatible with the Ethereum Virtual Machine(EVM). It covers the overall aspects of transaction and block processing within the EVM-compatible blockchain.