Blockchain Ecosystem and Use Cases BDC Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   A real estate firm wants to tokenize property ownership on a blockchain to enable fractional investment. They must comply with securities regulations in multiple jurisdictions. Which approach best addresses regulatory compliance while maintaining the benefits of tokenization?

   • ATokenize the property on a private blockchain and do not offer tokens to the public.
   • BIssue security tokens that are registered with relevant regulators and enforce investor accreditation through smart contract whitelists.
   • CUse a utility token that represents a share of the property but is not registered as a security.
   • DUse a public blockchain and rely on the anonymity of token holders to avoid regulatory scrutiny.
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   What is tokenization in the context of blockchain?

   • AThe process of validating transactions in a network
   • BThe process of representing a real-world or digital asset as a blockchain token
   • CThe process of creating a new cryptocurrency
   • DThe process of encrypting data on a blockchain
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A developer is building a dApp that allows users to trade digital collectibles. The dApp needs to support multiple blockchain networks to reach a wider audience. Which architecture is most suitable?

   • AUse a single blockchain and rely on a centralized exchange to handle cross-chain trades.
   • BUse a middleware that aggregates data from all blockchains without deploying smart contracts on each.
   • CBuild a custom sidechain that connects to all other blockchains.
   • DDeploy the same smart contract on multiple blockchains and use a cross-chain bridge to transfer assets between them.
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   A startup is building a decentralized application (dApp) for peer-to-peer insurance claims. They want the application logic to run on the blockchain, users to interact through a web interface, and the system to automatically pay claims when certain conditions are met. Which architecture best describes this dApp?

   • AA smart contract that runs entirely on the client side and interacts with the blockchain only for data storage
   • BA web frontend that directly calls smart contracts on a blockchain, with the smart contracts handling claim verification and payment
   • CA mobile app that stores all claim data in a central database and uses blockchain only for user authentication
   • DA backend server that runs the claim logic and periodically writes summaries to a blockchain for audit purposes
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   Which solution is commonly used to enable communication between different blockchain networks?

   • ASmart contract upgrades
   • BOff-chain storage
   • CCross-chain bridges
   • DHard forks
   Reveal Solution Discussion Select an answer first