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. 2020 Mar 4;2019:1266–1275.

Figure 4.

Figure 4.

Example MultiChain code between two universities. University A creates a stream query in the blockchain, and publishes a key (patientOutcome only, for simplicity purpose) with a value (hemoglobin, which is represented in hexadecimal number “68656d6f676c6f62696e”) in the stream. Then, University B subscribes the stream to inspect the value of the patientOutcome.