ple Choices
(Choose 1 answer)
Which of the following statements is true?
A. In blockchains, any change or new transactions can be realized only by adding a new block of information to the historical transaction records.
B. In blockchains, one doesn't erase or override the past records, it adds transactions in a chronological order to a growing list.
C. Unlike the ledgers maintained by banks, Bitcoin's blockchain is replicated on networked machines around the world; hence it is called a "Distributed Ledger".
D. All of the others
✔D
I
Q: 29
