Answer:
I'm sorry I don't know the answer either I also need the answer.
Explanation:
I think the answer is D. Cause it explains the earliest printing press and was how the world began to communicate with each other much faster.
For the second answer I think it's B. Cause it explains all the history behind it.
Hopefully I got it right :)
Answer:
Blockchain technology or A blockchain
Explanation:
"Every time a person makes a transaction using a cryptocurrency — for example, using funds stored in his or her crypto wallet to send bitcoin to someone else — the transaction is recorded on a digital ledger called a blockchain."
Please feel free to comment, ask questions, give feedback, and correct me if I am wrong!
Have a great day!
:)
Answer:
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Explanation:
huygwsudvgjgdyguznhdfogsxgaIGFbduufizovxj