1. interoperated with the verifiable credential specification; added new rationale
3. changed member to subject, memberAttestationsURI to subjectAttestationsURI to make the schema more widely applicable / analogous to verifiable credentials
3. changed issuerURI to just issuer, since issuerURI is effectively "issuer" in the VC specification
4. changed expiration to expirationDate, following the VC specification
5. adjusted the "id" to conform to the VC specification, though we've retained a "type" field in the credentialSubject object
1. changed attestationIssuer field to attestationIssuerURI field; added new schema for attestationIssuerURI
2. changed capitalization of all types to TypeName from typeName to match schema.org examples
4. created a new generic Attestation type, added issuerURI and attestationURI to it
5. added a new schema for attestation types (moved over from regulatory interop), and removed extensions section
2. added a new schema for contributions
3. added apiURI to support OpenAPI interop
4. added a signature section
5. added a use-case for publishing daoURI as an attestation through a service such as EAS