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Blockchain Basics
text: Which of the following is NOT an example of information that could plausibly be recorded in a blockchain?, correct: Tracking babies in a nursing ward, incorrect: Election votes,Legal deeds,Product inventories, fun fact: Blockchain is strong in electronic verification but does not have systems for connecting that verification with real-world people and items.,text: Other than cryptocurrency, what is an example of blockchain technology in action?, correct: NFTs, incorrect: Personal checks,Cash,Money orders, fun fact: Non-fungible tokens, or NFTs, use blockchains to prove token ownership, similar to a certificate of authenticity.,text: What was the first widespread usage of blockchain technology?, correct: Bitcoin, incorrect: Dogecoin,Ethereum,Binance Coin, fun fact: Blockchain has existed as a concept since 1991 but made its first significant appearance when Bitcoin debuted in 2008.,text: Who controls a blockchain?, correct: All of the users collectively, incorrect: The creator,The federal government,Banks, fun fact: One of the goals of blockchains is to provide a form of decentralization. No one person can control the blockchain. Every user has a say in verifying transactions.,text: A blockchain functions similarly to what kind of item in the real world?, correct: A ledger, incorrect: A timecard,A pocketbook,A cash register, fun fact: Like a ledger, blockchains document records of transactions, including relevant dates and times.,text: What does each block of information receive once it enters the blockchain?, correct: A timestamp, incorrect: An NFT,A unique digital badge,A signature, fun fact: As part of the verification and information storage process, time stamps are used to document any additions to the blockchain.,text: Why is the grouping of information together called a "chain"?, correct: Because the data is strung together like a chain, incorrect: Because the grouping is as strong as iron,Because users are trapped once they use it,Because an ex-convict created it, fun fact: Once a block is joined to the greater blockchain, it is "locked in" and unable to be altered. This creates a sort of permanent timeline of information storage.,text: What are the groups of data within a blockchain called?, correct: Blocks, incorrect: Units,Chunks,Bits, fun fact: Each block within a given blockchain limits how much information can be stored. Once full, a block joins the larger chain.,text: Blockchain makes what kind of currency possible?, correct: Decentralized, incorrect: Local,Centralized,Fiat, fun fact: Blockchains allow cryptocurrency users to keep each other accountable instead of relying on a government or bank.,text: What system is primarily known for using blockchains?, correct: Cryptocurrency, incorrect: Defense networks,LAN systems,Bank databases, fun fact: Although blockchains can have various uses, they are best known for providing security in Bitcoin transactions and other cryptocurrencies.
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Blockchain Basics
Which of the following is NOT an example of information that could plausibly be recorded in a blockchain?
Product inventories
Tracking babies in a nursing ward
Legal deeds
Election votes
