Question: What is a blockchain? Select one: a . A client - server database existing on a limited number of nodes at the same time. b

What is a blockchain?
Select one:
a.
A client-server database existing on a limited number of nodes at the same time.
b.
A centralized database that holds a subset of all transactions on all nodes.
c.
A distributed database with a record of all transactions on the network.
d.
A standalone database with history of all transactions on various nodes

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