Decentralized Finance (DeFi) Applications and Ecosystem BBLC Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A financial analyst is comparing a traditional exchange with a decentralized exchange (DEX) for a client who wants to trade tokens without creating an account. The analyst notes that the DEX uses an aggregator. What is the primary role of the aggregator in this DeFi ecosystem?

   • AIt acts as a custodian holding user funds during trades.
   • BIt scans multiple DEXs to find the best price for a trade.
   • CIt creates new tokens to increase liquidity.
   • DIt provides a legal framework for trading.
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A developer is building a DeFi application that allows users to trade tokens directly from their wallets without depositing funds into a centralized exchange. The application needs to ensure that trades are executed at the best available price across multiple liquidity sources. Which approach should the developer use?

   • AConnect to a single AMM and rely on its liquidity depth
   • BUse a centralized exchange API to execute trades
   • CBuild a custom order book on-chain
   • DIntegrate a DEX aggregator that splits orders across multiple AMMs
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   A user wants to lend their crypto to earn interest but is worried about losing their funds if the protocol fails. What is the most important factor to research before lending?

   • AThe price of the protocol's native token.
   • BThe number of social media followers.
   • CThe protocol's marketing budget.
   • DThe protocol's security history and audit reports.
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   Which DeFi application allows users to borrow assets by providing collateral in a smart contract?

   • AA decentralized exchange (DEX)
   • BAn oracle service
   • CA lending protocol
   • DA stablecoin issuer
   Reveal Solution Discussion Select an answer first
6. 5expert · hard

   A compliance officer at a traditional bank is evaluating a DeFi lending protocol for potential partnership. The protocol is fully decentralized, with no central administrator, and operates on a public blockchain. The bank must comply with anti-money laundering (AML) regulations that require customer identification and transaction monitoring. Which approach would best address the bank's compliance requirements while still engaging with DeFi?

   • AUse the protocol directly and rely on the blockchain's pseudonymity to protect customer privacy
   • BAsk the protocol's developers to add KYC to the smart contract
   • CIntegrate with the protocol through a regulated intermediary that performs KYC and transaction monitoring
   • DAvoid DeFi entirely because it cannot be made compliant
   Reveal Solution Discussion Select an answer first