Blockchain Developer Certification Practice

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Prepare for the Blockchain Developer Certification. Master blockchain concepts with flashcards and multiple choice questions. Explanation-based learning for your success!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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What type of data storage is available for smart contract accounts?

Cloud storage
Local storage only
Data storage specific to the contract
Centralized databases

The correct answer is: Data storage specific to the contract

Smart contract accounts utilize data storage that is specific to the contract, meaning that each smart contract is designed to maintain its state and relevant data independently. When a smart contract is deployed on a blockchain, it can define its storage structure, which is persistent and securely recorded on the blockchain itself. This allows for complex data structures to be stored and manipulated according to the rules defined within the contract. Moreover, the intent of smart contracts is to facilitate decentralized applications without relying on external storage solutions such as cloud services or centralized databases, which could compromise decentralization and security. Therefore, the data associated with a smart contract remains on-chain, ensuring integrity, immutability, and direct access for all participants in the network. This characteristic is a fundamental aspect of how smart contracts operate, distinguishing them from other data storage methods that would require external dependencies and could introduce vulnerabilities.