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Exam CBSA topic 1 question 60 discussion

Actual exam question from Blockchain's CBSA
Question #: 60
Topic #: 1
[All CBSA Questions]

Every node needs to keep track of time AND it needs to be in synch with its other peer nodes on the blockchain. In Bitcoin for example the current median for time is around?

  • A. 7 minutes
  • B. 7 seconds
  • C. 17 seconds
  • D. 70 Minutes
  • E. 70 Seconds
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Suggested Answer: D 🗳️
The median time differs by more than 70 mins from its system time
Reference:
https://blockgeeks.com/guides/hypothetical-attacks-on-cryptocurrencies/

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influence777
3 months, 2 weeks ago
It was not 70 minutes ever - https://www.blockchain.com/charts/median-confirmation-time as of today it is closer to 7
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