# The Protocol

- [⦃param⦄ Overview](/the-protocol/param-overview.md): Blockchain for Commerce, for Real-World.
- [Multi signature state recording](/the-protocol/multi-signature-state-recording.md): States: Quotation >> Purchase Order >> Invoice >> Payments >> Digital Receipt
- [Commerce Data Interchange Format](/the-protocol/commerce-data-interchange-format.md): Standard behind the semantic blockchain.
- [Decentralised Knowledge Graph](/the-protocol/decentralised-knowledge-graph.md): Enable data-driven smart-contracts.
- [⦃param⦄ Node](/the-protocol/param-node.md)