

Blockchain Quizz
Interactive Video
•
Other
•
9th - 12th Grade
•
Practice Problem
•
Easy
Trishanna Thompson
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are some common reasons for bank transaction failures?
Technical issues at the bank
Account hacking
Exceeding daily transfer limits
All of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the characteristics of cryptocurrencies enabled by blockchain technology?
Immune to counterfeiting, require a central authority, protected by simple algorithms.
Immune to counterfeiting, don't require a central authority, protected by strong encryption algorithms.
Prone to counterfeiting, require a central authority, protected by strong encryption algorithms.
Prone to counterfeiting, don't require a central authority, protected by simple algorithms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a public distributed ledger in the context of blockchain?
A private record of transactions held by a single bank.
A chain of records (blocks) that is shared among all participants in the network.
A centralized database managed by a government entity.
A system for tracking physical currency.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it difficult for a hacker to alter data in a blockchain?
Only one user has access to the ledger.
The data within the blocks are unencrypted.
Each user has a copy of the ledger, and data within blocks are encrypted by complex algorithms.
Blockchain relies on a central authority to prevent alterations.
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Are you enjoying the video lesson?
Yes
No
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of solving a complex mathematical problem to add a block to the blockchain called?
Proof of Stake
Hashing
Proof of Work
Digital Signing
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