In the Ethereum EVM there are two types of memory areas. (Select two.)
Answer(s): A,C
https://solidity.readthedocs.io/en/latest/introduction-to-smart-contracts.html#the-ethereum-virtual-machine
What are some advantages of Proof of Stake(POS) mining over Proof of Work(POW) mining? (Select three.)
Answer(s): A,C,D
This eliminates the below challenges from PoW and believed to have an advantage.No need of expensive hardware (a normal laptop or computer running the respective coin’s Validator client will do as long as your laptop or computer is online)Energy efficient as it won’t consume high electricity as PoW does More loyal Validators As higher the stake the Validators have for a long time, more chances for the Validator to be picked up for “forging” and earn the transaction fee Faster validations
https://medium.com/@karthik.seshu/cryptocurrency-proof-of-work-vs-proof-of-stake-e1eee1420b10
Application Specific Integrated Circuit (ASIC) are used always in enterprise blockchains.
Answer(s): B
ASICS are generally used in blockchains such as BTC that have a Proof of Work consensus due to competition
https://www.trymining.com/pages/asic-vs-gpu
What type of encryption is shown below and is commonly used in blockchain cryptography?
Asymmetric cryptography utilizes two different keys, a public key and a private to encrypt and decrypt a particular data. The use of one key cancels out the use of the other.
https://blockgeeks.com/guides/cryptocurrencies-cryptography/
An encryption algorithm transforms plain text into cipher text using a key?
Answer(s): A
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