基準(TBD)
· 約4分
Reference:
-OpenBadge ヨーロッパ、日本、アメリカで使用されている。
+基準(TBD)
· 約5分
Reference:
+OpenBadgeヨーロッパ、日本、アメリカで使用されている。
Blockcerts は、MIT Media Lab
https://github.com/1EdTech/cert-schema
OpenBadge の拡張版。
@@ -26,7 +26,8 @@Task1: そこにIssuerのメタデータを置くか・IssuerのCRU(Dはなし)をだれが許可するかがDAOの役目?
OpenBadge V3 Structure
-+----------------------------+
| AchievementCredential |
+----------------------------+
| - @context |
| - id |
| - type |
| - issuer |
| - issuanceDate |
| - expirationDate |
| - credentialSubject |
| - proof |
+----------------------------+
|
v
+----------------------------+
| Issuer |
+----------------------------+
| - id |
| - type |
| - name |
| - image |
| - url |
| - address |
+----------------------------+
|
v
+----------------------------+
| CredentialSubject(User) |
+----------------------------+
| - id |
| - type |
| - achievement |
+----------------------------+
|
v
+----------------------------+
| Achievement |
+----------------------------+
| - id |
| - type |
| - name |
| - description |
| - criteria |
| - image |
+----------------------------+
|
v
+----------------------------+
| Criteria |
+----------------------------+
| - type |
| - narrative |
+----------------------------+
|
v
+----------------------------+
| Proof |
+----------------------------+
| - type |
| - created |
| - verificationMethod |
| - proofPurpose |
| - jws |
+----------------------------+
MIT Badge
+-------------------------------+
| Open Badge V2 |
+-------------------------------+
| - id |
| - type |
| - name |
| - description |
| - criteria |
| - issuer |
| - recipient |
| - image |
| - evidence |
| - verification |
+-------------------------------+
|
v
+-------------------------------+
| MIT Blockcerts Extensions |
+-------------------------------+
| - MerkleProofVerification2017 |
| - Signature |
| - RecipientProfile |
| +-----------------------+ |
| | - publicKey | |
| +-----------------------+ |
| - SignatureLines |
| +-----------------------+ |
| | - images | |
| | - signers | |
| +-----------------------+ |
+-------------------------------+