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Interoperability RFCs

These RFCs capture abstractions, models, protocols and data formats for facilitating cross-ledger communication and transactions.

If you are new to Weaver (or to blockchain interoperability), we recommend starting with the protocol overview document.

If you wish to see Weaver in action, test it, or apply it to your own application, you can switch to the Getting Started Tutorial.

Instead, if you wish to find out more details about the Weaver design and wish to contribute to the code base, you can explore these RFCs, beginning with the models. Protocol engineers will find in RFC: 01-009 a useful overview of the relay model, and may then progress on to reading one of the existing protocols' design and implementation; e.g., the data sharing protocol in RFC: 02-001. If you are interested in adding support for a new ledger technology, see the existing driver implementations and existing interoperability module implementations. Where relevant we use ABNF for formal syntax definitions.

Precise definitions of terms you may encounter in these RFCs can be found in the terminology page.

Index of RFCs

The RFC numbering convention is: <type>:<id>. The list of types (<type>) is as follows:

<type> Document Type/Category
01 Concepts and Models
02 Protocols and Mechanisms
03 Data Structures and Formats
RFC # Title Category Status
01-001 Views Model Proposed
01-002 Cryptographic Proofs Model Proposed
01-003 Verifiable Observation of State Model Draft
01-004 Events Model Draft
01-005 Cross-Ledger Operations Model Draft
01-006 Atomic Cross-Ledger Transactions Model Proposed
01-007 Security Domains Model Proposed
01-008 End-to-End Confidentiality Model Proposed
01-009 Relays Model Proposed
01-010 Interoperation Modules Model Proposed
01-011 Identity Management Model Proposed
01-012 Identity Registry Model Proposed
01-013 Identity Agent Model Proposed
01-014 Identity Trust Anchor Agent Model Retired
01-015 Network Identity Updates Model Proposed
02-001 Data Sharing Protocol Proposed
02-002 Data Sharing in Fabric Protocol Proposed
02-003 Data Sharing in Corda Protocol Proposed
02-004 Asset Exchange through HTLC Protocol Proposed
02-005 Asset Exchange in Fabric Protocol Proposed
02-006 Asset Exchange in Corda Protocol Proposed
02-007 Asset Exchange in Besu Protocol Draft
02-008 Asset Transfer Protocol Proposed
02-009 Asset Transfer in Fabric Protocol Proposed
02-010 Asset Transfer in Corda Protocol Proposed
02-011 Identity and Config Sharing Protocol Superseded
02-012 Cross-Domain Identity Management Protocol Proposed
02-013 Security Domain Discovery Protocol Draft
02-014 Cross-Domain Negotiation Protocol Draft
02-015 Transaction Invocation Protocol Draft
02-016 Event Bus Protocol Draft
02-017 Security Domain Identity Validation Protocol Proposed
02-018 Cross-Domain Membership Syncing Protocol Proposed
03-001 View Address Format Proposed
03-002 Generic View Format Proposed
03-003 Fabric View Format Proposed
03-004 Corda View Format Proposed
03-005 Besu View Format Draft
03-006 Ethereum View Format Draft
03-007 View Request Format Proposed
03-008 Access Control Policy Format Proposed
03-009 Proof Verification Policy Format Proposed
03-010 Verification Policy DSL Format Draft
03-011 Membership Format Proposed
03-012 Network Identities Format Proposed
03-013 Asset Exchange Units Format Proposed
03-014 Asset Transfer Units Format Proposed
03-015 Relay Messages Format Proposed
03-016 Fabric Interop Chaincode API Format Proposed
03-017 Interoperation CorDapp API Format Proposed
03-018 Besu Interop Contract API Format Proposed
03-019 Application SDK Format Proposed
03-020 DID Method for DLT Networks Format Proposed

RFC Process

NOTE: The following is only a tentative process pending further discussion.

  • Draft
  • Proposed
  • Active
  • Superseded
  • Retired
  • Abandoned