Multiple Choice
A product's supply chain data is stored on blockchain. Only members of the product supply chain can write announcements to the blockchain but any consumer can query this data in a store to learn more about the product they want to buy. This is an example of a ____/____ blockchain.
A) public /closed
B) private / open
C) private / closed
D) public / open
Correct Answer:

Verified
Correct Answer:
Verified
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