Table 1 Features of current applications of blockchain in education
Application | Blockchain type | Record type | Actual data stored | Verification | Access to records |
|---|---|---|---|---|---|
Blockcerts | Bitcoin | Certificates | Hash of certificates | Open | Off-blockchain authorization |
UNIC | Bitcoin | Certificates on MOOC | Grouped hash of certificates | Open | Off-blockchain authorization |
SGE | Hyperledger | Academic records | N/A | N/A | N/A |
Proposed system | Any Turing-complete blockchain | Academic records and permissions | Hash of academic records | Open | On-blockchain authorization |