Open Runtime Module Library (ORML)
A community-maintained collection of Substrate runtime modules (pallets) for building blockchain applications.
What is Open Runtime Module Library (ORML)?
ORML (Open Runtime Module Library) is a collection of reusable runtime modules (pallets) for the Substrate blockchain framework. It provides pre-built components like token systems, auction mechanisms, oracle feeds, and cross-chain messaging tools, enabling developers to build custom blockchains faster and with greater reliability.
Blockchain developers and teams building parachains or standalone blockchains using the Substrate framework, particularly those in the Polkadot and Kusama ecosystems.
Developers choose ORML to avoid reinventing common blockchain components, leveraging community-audited, production-tested modules that ensure interoperability and reduce development time and risk.
Overview
Substrate Open Runtime Module Library
Use Cases
Best For
- Building a parachain that requires fungible or non-fungible token functionality
- Implementing cross-chain token transfers via XCM
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