"Once it's verified, the transaction's information, plus both your digital signature and your friend's digital signature, are stored in a block alongside many other transactions like it. Once the block is full, it gets a hash, which is a unique code that sort of acts like its nametag. It also stores its position on the chain and the hash of the previous block on the chain. (Here's an example block to illustrate what kind of information is stored there.) "
""Having a tamper-proof record-keeping system that can be shared across the vaccine supply chain is always important, but critically so here for the COVID vaccines," Harmon said.
Hedera's chief executive believes that decentralized computer networks with hundreds or even thousands of participants can play an important role in other aspects of pandemic management - to combat vaccine counterfeiting, for example, and create unforgeable vaccination certificates."
Group items tagged 
Cached
