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The proposed solution is to use "Verifiable Credential" to represent donation consent, which is stored in the donor's phone and can be cryptographically verified.
Solution
(Work in progress. Will finish in next 2-3 days)
A network will be created using Hyperledger Fabric and multiple channel/subnetworks will be created for each OPTN under different jurisdictions and based on requirements. An identity metasystem or an SSI ledger will be either be created inside the network as a subnetwork or a third-party identity metasystem network like "Indicio" or "Sovrin" will be used or different entities and organizations can use multiple SSI identity metasystems to issue Verifiable Credentials and we aim to design our project to process VC from multiple SSI networks.
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