Interoperability in Blockchain Systems BFC Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A fintech company wants to enable peer-to-peer exchange of tokenized assets between two independent blockchain networks without introducing a trusted intermediary. The exchange must be atomic: either both transfers complete or neither does. Which interoperability mechanism should the company implement?

   • AA sidechain that pegs assets from both chains into a single secondary chain
   • BA relay chain that verifies headers from both chains and coordinates the transfer
   • CA hashed timelock contract (HTLC) between the two parties on both chains
   • DA notary scheme where a consortium of validators signs off on both transfers
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   Why is interoperability important when integrating blockchain systems with existing financial infrastructure?

   • AIt enables seamless data and value exchange between disparate systems, reducing friction and manual reconciliation
   • BIt eliminates the need for any security measures in financial systems
   • CIt allows blockchain networks to operate in isolation without external dependencies
   • DIt guarantees that all transactions are processed instantly
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A cryptocurrency exchange wants to enable users to trade tokens between two different blockchain networks without the exchange acting as a custodian. The exchange wants to ensure that the trade is atomic and that neither party can default after the other has sent funds. Which mechanism should the exchange implement?

   • AA sidechain that holds both tokens and facilitates the trade
   • BA hashed timelock contract (HTLC) between the two users
   • CA relay chain that verifies both transactions and settles the trade
   • DA notary scheme where the exchange validates and signs both transfers
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A bank is exploring asset tokenization to allow clients to trade tokenized real estate on a public blockchain while settling in fiat currency through the bank's existing systems. The bank needs to ensure that the tokenized asset can be transferred between the blockchain and the bank's ledger. Which interoperability approach should the bank use?

   • ACross-chain interoperability between the public blockchain and the bank's private blockchain.
   • BOff-chain interoperability using APIs and standard messaging to connect the blockchain to the bank's fiat settlement system.
   • COn-chain interoperability by using smart contracts on the same blockchain.
   • DProtocol interoperability by adopting the Interledger Protocol (ILP) for all transactions.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   In the context of asset tokenization, why is interoperability important?

   • AIt allows tokenized assets to be traded and transferred across different blockchain platforms
   • BIt requires all tokenized assets to be on a single blockchain
   • CIt ensures that all tokenized assets are backed by physical gold
   • DIt prevents any token from being transferred between users
   Reveal Solution Discussion Select an answer first