Remember: Digital coins are numbers in a notebook many keep together, and they carry real risks.
Questions
1
Which one is true about the shared notebook of coins?
🧑One keeper decides who owns what🖋️A payment written in the notebooks cannot be taken back♾️The value of a digital coin never changes
2
Which one is not true about the shared notebook of coins?
🤝Nobody promises that you get your coins back🕳️A lost key can lock coins for good↩️A payment can always be taken back for free
3
Which one is not true about the shared notebook of coins?
🔑Spending needs a secret key only the owner holds🧮If Cy writes sixty in his own copy, Cy owns sixty🗳️When most copies agree, the odd one out is ignored
4
Which one is true about the shared notebook of coins?
🕳️A lost key can lock coins for good♾️The value of a digital coin never changes🧮If Cy writes sixty in his own copy, Cy owns sixty
5
Which one is not true about the shared notebook of coins?
📈The value of a digital coin can swing a lot📣A payment is told to everyone, who write it down🧑One keeper decides who owns what
6
Which one is not true about the shared notebook of coins?
🛡️Digital coins are guaranteed to be safe🗳️When most copies agree, the odd one out is ignored📚Many people keep copies of the same notebook
7
Which one is true about the shared notebook of coins?
🗳️When most copies agree, the odd one out is ignored🧮If Cy writes sixty in his own copy, Cy owns sixty🧑One keeper decides who owns what
8
🕳️Is it false? A lost key can lock coins for good.
TrueFalse
9
Which one is true about the shared notebook of coins?
🗳️When most copies agree, the odd one out is ignored🧮If Cy writes sixty in his own copy, Cy owns sixty↩️A payment can always be taken back for free
10
Which one is not true about the shared notebook of coins?
🤝Nobody promises that you get your coins back♾️The value of a digital coin never changes🖋️A payment written in the notebooks cannot be taken back
11
Which one is not true about the shared notebook of coins?
↩️A payment can always be taken back for free📈The value of a digital coin can swing a lot🖋️A payment written in the notebooks cannot be taken back
12
Which one is not true about the shared notebook of coins?
📣A payment is told to everyone, who write it down🗳️When most copies agree, the odd one out is ignored🛡️Digital coins are guaranteed to be safe
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Answer key · Set B
What is crypto?
1A payment written in the notebooks cannot be taken back
2A payment can always be taken back for free
3If Cy writes sixty in his own copy, Cy owns sixty
4A lost key can lock coins for good
5One keeper decides who owns what
6Digital coins are guaranteed to be safe
7When most copies agree, the odd one out is ignored
8False
9When most copies agree, the odd one out is ignored
10The value of a digital coin never changes
11A payment can always be taken back for free
12Digital coins are guaranteed to be safe
Mark each answer, count the right ones and write the score on the sheet.