National Health Services facilities in England are using blockchain to keep track of the temperatures of the refrigerators storing the COVID 19 vaccine. The hospitals have paired up with American firm Hedera Hashgraph.
Pfizer’s vaccine can only last five days at 2 to 8 degree Celsius conditions. The vaccine must be stored at -70 degrees Celsius (subzero temperature). The hospitals have chosen to use blockchain to keep track of the temperatures and pick up any irregularities via the use of sensors. These would then transfer the data to its cloud platform where it is encrypted. Subsequently, the data would be transferred to Hedera’s blockchain network.
The operation is similar to the blockchain-enabled digital record that Pfizer and BioNTech are using to prevent misalignments and chargebacks that occur in their supply chain. It is the first time since 2017 that a large corporation is implementing blockchain. The resurgence of interest in blockchain has come about because Blockchain’s tamper-proof nature makes it ideal to relay and keep track of sensitive data. Since it is a decentralized ledger the data can easily be verified. More companies are expected to adopt this.
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