Blockchain Quiz!
5 winners will get $30 USDT each!
How to participate:
1⃣ Follow
@Four_FORM_
2⃣ ❤ + RT
3⃣ Drop your answer & tag 3 friends
Question:
Blocks are linked sequentially to form a structure. What is it called?
A. Chain
B. Wallet
C. Mint
D. Stake
GOOD LUCK!
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