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Author: Admin | 2025-04-28
Erigon written in the go programming language. Ethereum clients are what decentralized applications run on. Every miner or network participant must download and install the client to process, mine, and validate transactions on Ethereum.36. Which is NOT a type of an Ethereum client?(a) Full client.(b) Light client.(c) SPV client.(d) Remote client.Ans: (c)Explanation: Full client/nodes store the entire copy of the blockchain. Light clients store a copy of the entire blockchain, they gate their information from full clients. A remote client does not validate or store any blockchain data. Remote clients are mainly used to implement crypto wallets.37. Which is NOT an Ethereum wallet type?(a) Public wallet.(b) Software wallet.(c) Paper wallet.(d) Hardware wallet.Ans: (a)Explanation: We can store Eth in software wallets(desktop, mobile, web), paper wallets, or hardware wallets(usb). The latter is the safest although inconvenient to daily crypto users. Software wallets are the most commonly used wallets. Paper wallets can succumb to wear and tear.38. What is the name of the Virtual Machine that compiled Solidity/Vyper code into bytecode for execution on the blockchain?(a) JVM(b) EVM(c) GCC(d) G++Ans: (b)Explanation: The Ethereum Virtual Machine compiles smart contracts written in Solidity of Vyper into byte code that can be executed on the blockchains. JVM is a Java virtual machine for JIT compilation. GCC and G++ are C and sC++ compiler respectively.39. Where do decentralized apps store their data?(a) Google servers.(b) Microsoft servers.(c) Amazon servers.(d) A decentralized network of nodes.Ans: (d)Explanation: Fully decentralized apps store their data on the blockchain which is a network of nodes. Decentralized applications can store data off-chain or on-chain depending on their application architecture. Off-chain storage leverages other storage mediums not located in the blockchain, these could be simple servers owned by a third party. On-chain storage is storing everything on the blockchain, on the decentralized network of nodes.40. In 2021, what was the all-time high price for Ether?(a) 3500(b) 2200(c) 4800(d) 4000Ans: (c)Explanation: In May 2021, Ether was valued at $4800 per Ether.41. What was the highest amount paid for an Ethereum transaction?(a) $300000(b) $200000(c) $100000(d) $400000Ans: (a)Explanation: $300000 is the highest amount in USD pad for a transaction on the Ethereum network.42. What is Metamask?(a) A browser extension to generate private keys.(b) A browser extension to sign transactions with a private key.(c) A browser extension to operate on the Bitcoin blockchain.(d) None of the above.Ans: (b)Explanation: Metamask is a browser extension that is used to sign transactions
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