Interoperability and Cross-Chain Bridges MCQs

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1. : In blockchain, what does interoperability mean?





2. : What are cross-chain bridges designed to do?





3. : Which of the following is an example of a cross-chain bridge?





4. : Why are cross-chain bridges important in DeFi?





5. : The Polygon PoS Bridge connects Polygon with which blockchain?





6. : What is one major risk of cross-chain bridges?





7. : The Avalanche Bridge primarily connects Avalanche with?





8. : What does ā€œwrapped tokenā€ mean in cross-chain transfers?





9. : Which bridge is used to move assets between Ethereum and Binance Smart Chain?





10. : What is the Cosmos Inter-Blockchain Communication (IBC) protocol used for?





11. : Which blockchain is known as the ā€œInternet of Blockchainsā€?





12. : What is the purpose of Polkadotā€™s Relay Chain?





13. : Chainlinkā€™s CCIP stands for?





14. : Which type of token is usually created during cross-chain bridging?





15. : What was a major bridge hack in 2022 that lost over $600 million?





16. : Interoperability allows which of the following?





17. : What is Polkadotā€™s native token?





18. : Which blockchain ecosystem introduced parachains for interoperability?





19. : A decentralized bridge reduces reliance on?





20. : Thorchain specializes in enabling?





21. : What is the main function of a ā€œlock-and-mintā€ bridge?





22. : The Wormhole Bridge connects Ethereum with which blockchain among others?





23. : What is a major advantage of interoperability?





24. : Which of the following is a key interoperability project?





25. : The main challenge with cross-chain bridges is?





26. : What is Multichain (formerly Anyswap)?





27. : Which interoperability project is built around hubs and zones?





28. : Polkadot parachains are connected through?





29. : Which bridge connects Ethereum and Bitcoin networks via wrapped Bitcoin (WBTC)?





30. : Which type of bridge is considered less secure?





31. : The Ronin Bridge hack primarily affected which ecosystem?





32. : What is the benefit of trustless bridges?





33. : Which interoperability protocol is focused on connecting Ethereum-compatible chains?





34. : Which project is often called the ā€œEthereum of interoperabilityā€?





35. : Cosmos uses which consensus mechanism?





36. : Which interoperability project is led by Gavin Wood, co-founder of Ethereum?





37. : What does EVM compatibility in cross-chain systems mean?





38. : Which layer is interoperability often categorized under?





39. : What is the primary purpose of cross-chain swaps?





40. : Which bridge was exploited for $320 million in 2022?





41. : What is the role of validators in cross-chain communication?





42. : Which interoperability project uses parachains for scalability and connectivity?





43. : Wrapped Bitcoin (WBTC) is an example of?





44. : Which interoperability project uses hubs and zones connected by IBC?





45. : A major interoperability challenge is?





46. : Which type of bridge relies on third-party custodians?





47. : Which term describes direct asset swaps between chains without intermediaries?





48. : Which interoperability solution focuses on oracles and cross-chain data?





49. : Which bridge helps move NFTs across blockchains?





50. : The ultimate goal of interoperability in blockchain is?





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