What are the options?
If there are none...
MONOCHROMATIC would be your answer.
Answer: Flash memory cards, USB drives and tiny hard disks.
Explanation:
Answer:
Block Chain is a system of recording information that makes it difficult or impossible to change, hack, or cheat the system.
A blockchain is essentially a digital ledger of transactions that is duplicated and distributed across the entire network of computer systems on the blockchain.
Hope this helps.
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