Structure and Components of the DeFi Ecosystem BFC Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   In the context of financial services, what is the primary role of the DeFi ecosystem?

   • ATo serve as a backup system for traditional stock exchanges
   • BTo provide an open, permissionless alternative to traditional financial services using blockchain technology
   • CTo create a centralized database for tracking customer identities
   • DTo replace all traditional banking regulations with automated code
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A DeFi protocol is planning to upgrade its smart contract to change the collateral ratio for borrowing. The team wants to ensure that the change is transparent and that token holders have a say. Which governance mechanism should they use?

   • AA time-lock contract that delays any change for 30 days without any voting mechanism
   • BAn off-chain forum poll where users can express opinions, but the team decides unilaterally
   • CA multi-signature wallet controlled by the founding team to approve all changes
   • DA governance token that allows holders to vote on proposals, with the smart contract enforcing the approved change
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A traditional bank wants to offer DeFi services to its customers but must comply with anti-money laundering (AML) regulations. They plan to use a permissioned DeFi platform that integrates with a decentralized identity solution. Which approach best balances compliance and the benefits of DeFi?

   • AUse a centralized exchange that offers DeFi-like products but with full custody
   • BUse a permissioned DeFi platform with KYC/AML checks integrated into the smart contract layer, while maintaining interoperability with public DeFi protocols
   • CUse a public DeFi protocol without any KYC/AML checks to maximize decentralization
   • DUse a private blockchain with no external interoperability to ensure complete control
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   In a DeFi lending protocol, what role does a smart contract play?

   • AIt provides legal advice to borrowers and lenders
   • BIt holds collateral and automatically executes loan terms, such as liquidations, when conditions are met
   • CIt stores loan agreements in a centralized legal database
   • DIt acts as an intermediary that manually reviews loan applications
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A DeFi yield aggregator wants to automatically move user funds between different lending protocols to maximize interest. Which DeFi component is most critical for this functionality?

   • AA stablecoin pegged to the US dollar.
   • BA decentralized oracle network for price feeds.
   • CA governance token that rewards users for participating.
   • DSmart contracts that can interact with multiple external protocols.
   Reveal Solution Discussion Select an answer first