Integrating DeFi with FinTech Platforms BFC Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A fintech platform is integrating a DeFi service that requires users to connect their wallets. The platform is based in a jurisdiction with strict data privacy laws. Which practice is most aligned with data privacy compliance?

   • AAvoid collecting any data, including wallet addresses, to ensure privacy.
   • BStore wallet addresses and transaction data on a public blockchain to ensure transparency.
   • CCollect and store all wallet transaction history on the platform's servers for future analysis, without informing users.
   • DCollect only the minimum necessary data (e.g., wallet address) and provide a clear privacy policy explaining how the data is used and stored.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A fintech platform wants to offer a DeFi yield product that invests in a liquidity pool with impermanent loss risk. The platform's compliance team requires that users be informed of this risk before investing. Which approach best meets this requirement while maintaining a smooth user experience?

   • ADisplay a brief, plain-language warning about impermanent loss and require users to check a box before the first deposit.
   • BShow a pop-up that says 'You may lose money' without further explanation.
   • CDo not mention impermanent loss because it is a technical concept that would confuse users.
   • DInclude a detailed legal document as a PDF that users must read and sign before investing.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   What is a common scaling solution for improving transaction throughput in a DeFi-FinTech integration?

   • AIncreasing the block size of the underlying blockchain
   • BReducing the number of nodes in the network
   • CMoving all transactions to a centralized database
   • DUsing a layer-2 solution such as a rollup or sidechain
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5. 14application · medium

   A fintech startup is building a DeFi yield aggregator that automatically moves user funds between different liquidity pools to chase the highest yield. The team is reviewing past DeFi hacks to avoid common pitfalls. Which practice is most directly supported by lessons from real-world yield aggregator failures?

   • AUse the highest-yielding pool at all times, even if it is unaudited, because the aggregator's code is audited.
   • BRely on the underlying pool's audit as sufficient due diligence, without additional monitoring.
   • CAutomatically migrate funds to a new pool as soon as it offers a higher yield, without any delay.
   • DImplement a circuit breaker that pauses the aggregator's contracts if an abnormal loss or unexpected behavior is detected.
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   Which issue is most likely to affect the performance of a DeFi-FinTech integration?

   • AInsufficient bandwidth for the platform's website
   • BSlow database queries on the FinTech platform's internal systems
   • CLimited storage space on user devices
   • DHigh transaction latency due to blockchain network congestion
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