Verifiable Claims
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Verifiable Claims are the basis for all identified data objects in the Internet of Impact.
Claims are nodes in the Impact Graph. They have relationship edges with the entities which issue, hold, inspect, proof and are the subjects of these claims.
Verifiable Claims encode high-definition data, which has the following characteristics:
Resolution to decentralised identifier keys (DID)
Linked-data contexts for resolving ontologies
Cryptographic verifiability of the data object
Content addressability (each claim has a unique identity)
Cryptographic authentication of the subject identifier
Cryptographic authentication of the issuer identifier
Types of Verifiable Claims
Verifiable Claim Type | Primary Purpose |
Service Claim | |
Procurement Claim | |
Outcome Claim | |
Identity Claim | Associates attribute values with an identifier. The basis for issuing a Verifiable Credential. |
Dispute Claim | |
Investment Claim | |
Provenance Claim | |
Custody Claim | |
Banking Claim | |
Use of Funds Claim |
Structure of a Verifiable Claim
Claim objects
Data model
Validation using JSON Schema
Claim signatures
Verifiable Claim encoding
Verifiable Claims are serialised as JSON-LD data schema.
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