- Study guides, Class notes & Summaries

Blockchain Final Exam Questions and answers|Latest Update 100% PASS

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18 pages

Written in 2025/2026

Grade A+

KatelynWhitman

Bitcoin and Blockchain - Exam 2 Part 2 Questions and answers 100% Solved

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3 pages

Written in 2025/2026

Grade A+

KatelynWhitman

Blockchain Bundled Questions With Correct Answers Latest Update 2025/2026

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3 items

joshuawesonga22

EXAM III BLOCK CHAIN QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2025/2026 What are two valuable services performed by trusted third parties like banks and credit card companies? - Answers -Authenticate: you are who you say you are -Prevent double spending: trusted third party checks every transaction to make sure the money you want to spend is in your account and has not already been spent. Identify 8 problems with traditional currencies issued by governments & transacted through trusted ...

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8 pages

Written in 2025/2026

Grade A+

joshuawesonga22

Comprehensive Blockchain and Cryptocurrency Fundamentals for Students Questions and Answers Already Passed blockchain - Answers a decentralized system made up of a number of peer to peer network linked computers running the same software protocol which maintains a chain of cryptographically linked data blocks (usually implementing a ledger of transactions), in which each subsequent data block is verified including a cryptographic checksum of the previous data block. bitcoin - Answers the first...

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5 pages

Written in 2025/2026

Grade A+

joshuawesonga22

Blockchain EXAM 2 NEWEST 2025 COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+||BRAND NEW How does Proof-of-Work work? - Answer- Challenger provides puzzle and solver expends resources to solve puzzle PoW for blockchains - Answer- PoW is the cornerstone of open blockchains: some waste, effective security. Bitcoin used PoW for sybil protection with a direct monetary compensation for solving the puzzle Bitcoin PoW - Answer- Block created every 10 mins Automatically...

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11 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam Latest Exam With Questions And Answers 2025 Verified Exam All Are Correct What Blockchain promises to do - Answer- - Make the world less centralized -Reduce corruption -*Get rid of the middleman* - and thus reduce fees and increase speed; one way is thru smart contracts. -Businesses will no longer need to keep track of every record -Reshape healthcare interoperability -Reduce fees to banks... disrupt banking altogether. How does Bitcoin work? - Answer- -Trans...

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8 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) | VERIFIED ANSWERS Multiparty Systems - Answer- the organizations agree to share just one version of the data that they can trust absolutely. allow multiple parties to transact and interact and do commerce more effectively and efficiently Client outcomes that are unlocked. - Answer- It'll help our clients with new business models that unlock a trapped value embedded in the inefficient copying, maintenance, and reconciliat...

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6 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam 1 Answered Centralized Ledger - Answer- - contains all the accounts recording transactions relating to a company's assets, liabilities, owners' equity, revenue, and expenses - crucial to any accounting system - holds financial and non financial data - increased privacy Decentralized Ledger - Answer- list of transactions that is copied and distributed among multiple nodes. All nodes have a copy of the list and the transactions on it. Each node reminds or corrects ot...

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6 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam Graded A+ Session 1 - Answer- Intro to Blockchain Technology o Describe what problems blockchains solve - Answer- Eliminates third party intermediary Substantially reduces transaction cost Settles almost instantaneously Is not vulnerable to attack Is totally trustworthy Keeps private information private Blockchain solves the problem of having a centralized authority that can make errors with data by being distributed (having multiple copies existing in differen...

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4 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam 2025 Newest Exam Questions And Correct Answers | Passed Ledger - Answer- - container which gathers every business transaction for a given account - several ledgers, such as Accounts receivable / payable -accounts: assets, liabilities -formats T-account, three or four column ledger Two concepts fundamental to understand Blockchain - Answer- 1. Thinking in layers 2. Thinking about Blockchain as a software architecture Application Layer - Answer- - concerned with the ...

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25 pages

Written in 2025/2026

Grade A+

ScholarExams

What is Blockchain? - ANSWER- Blockchain is a distributed ledger that businesses can use to record transactions and track assets - They contain a series of blocks connected chronologically that contain all kinds of information, depending on the blockchain - As information is added or changed, a new block is added to account for it Identify & Describe the 2 Other Alternatives - ANSWER1. Central Ledgers - A system where the record of all transactions is controlled by a single authority ...

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2 pages

Written in 2025/2026

Grade A+

papersbyjol

Blockchain - ANSWERA digital ledger in which transactions made in bitcoin or another cryptocurrency are recorded chronologically and publicly MetaMask - ANSWERMetaMask is a browser plugin that allows users to make Ethereum transactions through regular websites. It facilitates the adoption of Ethereum because it bridges the gap between the user interfaces for Ethereum (eg. Mist browsers, Dapps) and the regular web (eg. Chrome, Firefox, websites). Distributed Ledger - ANSWERA type of databas...

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1 pages

Written in 2025/2026

Grade A+

papersbyjol

Blockchain Exam Questions and Answers A+ Solution guide Why is securing a digital asset difficult? - Answer- -Can be duplicated without loss of quality -Ownership can be manipulated -Double spending -We use trusted intermediaries Single central ledger vs distributed ledger - Answer- Single: Trusted record keeper. Holder of assets is sole arbiter of payment. - Can: refuse certain transactions, manipulate balances, charge fees, act slowly -- single point of failure Distributed: Every ...

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3 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam Questions and Answers||A+ Solution guide(Verified) Spreadsheet duplicated across a network of computers - Answer- blockchain Blockchain is analogous to a ____ - Answer- Google Sheet DLT - Answer- distributed ledger technology Blockchain is a ___ ledger - Answer- humble Basis for blockchain - Answer- DLT (T/F) Blockchain is centralized. - Answer- F - decentralized and distributed Blocks are added to form a ___ - Answer- chain Blockchain is secured via ___ m...

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5 pages

Written in 2025/2026

Grade A+

ScholarExams

blockchain - ANSWERseries of block Blockchain v Bitcoin - ANSWERBlockchain = underlying technology Bitcoin = famous application that uses it Bitcoin - ANSWERwent over 10,000 for the first time underlying premise of blockchain (problems b4 blockchain that make blockchain valuable) - ANSWERwhat do you think of trust? in theory its good, but in the real world it stinks. every time you log in to a website, there is trust ppl have inequities in time and access timeliness issues wi...

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9 pages

Written in 2025/2026

Grade A+

papersbyjol

Blockchain Exam Questions With All Correct Answers <Verified Answers> 2025 Marking Scheme New Update The data structure inside a block in the Bitcoin blockchain is called a - Answer- Merkel Tree In Ethereum, computer programs written in solidity are stored - Answer- On the blockchain A Bitcoin wallet address is - Answer- The hash of a public key Cardano was built to improve upon - Answer- Ethereum If you lose your public key, which of the following is true? - Answer- You can...

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3 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam Complete Questions And Verified Answers Consortium or permissionless blockchains are networks that allow anyone to join and participate in the process of block verification to create consensus.(T/F) - Answer- False Blockchain is more secure than a traditional database because _______ - Answer- There is no single point of failure Blockchain is a type of _______ technology. Distributed Ledger Decentralized Ledger Decomposed Ledger Decoupled Ledger - Answer- Distributed...

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14 pages

Written in 2025/2026

Grade A+

ScholarExams

Blockchain Exam Questions And Answeblockchain - Answer- series of block Blockchain v Bitcoin - Answer- Blockchain = underlying technology Bitcoin = famous application that uses it Bitcoin - Answer- went over 10,000 for the first time underlying premise of blockchain (problems b4 blockchain that make blockchain valuable) - Answer- what do you think of trust? in theory its good, but in the real world it stinks. every time you log in to a website, there is trust ppl have inequities...

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10 pages

Written in 2025/2026

Grade A+

ScholarExams

blockchain Exam Questions With New Update Solutions Characteristics of blockchain - Answer- Immutability, unhackability, persistence of data Difference Between Private and Public blockchain - Answer- "Private blockchains may have an administrator that can make changes, used in private databases for private usage. Need permissions to join.. Public blockchains are used by the public and cannot have an administrator, are decentralized networks to verify transactions in a trustless enviornm...

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6 pages

Written in 2025/2026

Grade A+

ScholarExams