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Ethereum uses_____ as Proof of Work (PoW) whereas Bitcoin uses____based PoW.
Correct Answer: D
Ethereum uses Ethashas its Proof of Work (PoW) algorithm, whileBitcoin uses SHA-256for its PoW algorithm. Both are used to secure their respective networks, but they differ in terms of computational complexity and memory requirements. Key Details: * Ethash (Ethereum): Ethash is a memory-hard hashing algorithm designed to be resistant to ASIC mining, favoring GPU miners instead. It requires substantial memory, which helps to ensure a higher degree of decentralization. * SHA-256 (Bitcoin): Bitcoin's SHA-256 is a highly secure hashing algorithm that supports ASIC mining. It is computationally intensive but less memory-demanding compared to Ethash. * Purpose in PoW: Both algorithms enable miners to validate transactions and secure the network by solving complex puzzles. Ethash's design helps Ethereum maintain a decentralized network, whereas SHA-256 allows Bitcoin to achieve high levels of security with specialized mining equipment. Therefore,D. ETHASH SHA-256is the correct answer, as these are the specific PoW algorithms used by Ethereum and Bitcoin, respectively.
