Books
Tokenization Playbook 2024
Blockchain Engineering Playbook 2024
Whisky Investing Playbook
ChatGPT Playbook
Crypto Playbook
Future Money Playbook
The Smarketing Playbook
Blockchain Security Controls
Commentary on the Information Technology Act
Cyber Crime Investigation Manual
Courses
Blockchain Engineer (BE+)
Tokenization Expert (TE+)
Crypto Profits
Blockchain Engineering Quiz
Q1. Which of these Blockchain performance indicators represents the transactions per second that a consensus algorithm can process?
Fault tolerance threshold
Latency / Finality
Scalability
Throughput
Q2. Which type of blockchain nodes enable faster and cheaper transactions?
Archival Full Nodes
Cold nodes
Lightning nodes
Pruned Full Node
Q3. Which of the following should only be generated using a cryptographically secure pseudo-random number generator (CSPRNG)?
Address
Private Key
Public Key
Wallet
Q4. Which of these statements is FALSE for a 51% attack?
A single miner or mining pool controls more than 50% of the network's mining hashrate.
The attackers can manipulate the blockchain's consensus mechanism.
The attackers can reverse transactions and double-spend coins.
This attack is mostly a concern for larger, well-established blockchains like Bitcoin.
Q5. A developer is creating a contract aimed at preventing token losses due to transfers to non-compatible contracts.
The developer needs a standard that automatically checks if the receiving contract can handle incoming tokens, preventing common mistakes seen in previous standards.
Which token standard addresses this specific problem?
ERC-20
ERC-223
ERC-777
ERC-2981
Q6. In a permissioned blockchain created using Multichain, what does the "create" permission enable an address to do?
Create new native assets or tokens
Create data streams
Create blocks
All of the above
Q7. Which of these does not enable a permissioned blockchain like HYFI to support KYC (Know Your Customer) laws?
Off-Chain Data Purging which allows for the selective removal of off-chain data from local storage.
Nodes are operated by verified entities from FATF-compliant jurisdictions.
Regulators nodes are made available for real-time monitoring of all activities on the network.
Each address is given permissions based on the level of KYC.
Q8. You are developing a dApp that requires user-friendly login options, subsidized transaction fees, and efficient handling of multiple transactions. Which of these would you use?
Alchemy Account Kit
Drizzle
Filecoin
Theta
Q9. Which of these is an accelerator for deploying production-ready distributed networks across cloud providers?
Hyperledger Bevel
Hyperledger Fabric
Hyperledger Firefly
Hyperledger Solang
Q-10. Which of these is an interactive smart contract generator for Solidity and Cairo?
Arweave
Hardhat
OpenZeppelin Contracts Wizard
Remix IDE
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