Accessibility links
Skip to main content
Skip to main Navigation
Skip to Search
About Learning English
Beginning Level
Intermediate Level
Advanced Level
US History
Video
Follow Us
Languages
Search
Search
Previous
Next
Breaking News
Quiz - US Agency Raises Questions about Cryptocurrency’s Decentralized System
June 22, 2022
Question 1 / 4
How is a “ledger” involved in the blockchain process?
It helps cryptocurrency companies market their products.
It aims to prevent internet attacks on the blockchain.
It helps record cryptocurrency activity between users.
It is used to make the make blockchain more centralized.
Submit Answer
Next Question
Quiz - US Agency Raises Questions about Cryptocurrency’s Decentralized System
Back to top
XS
SM
MD
LG
