You are using Geth and you would like to list the accounts controlled by the node. What is the command?
Answer(s): D
https://datawookie.netlify.com/blog/2018/01/ethereum-running-a-node/
____________ensures that the shared ledgers are exact copies, and lowers the risk of fraudulent transactions, because tampering would have to occur across many places at exactly the same time.
Answer(s): B
Consensus ensures that the shared ledgers are exact copies, and lowers the risk of fraudulent transactions, because tampering would have to occur across many places at exactly the same time
https://www.ibm.com/developerworks/cloud/library/cl-blockchain-basics-intro-bluemix-trs/index.html
Ethereum tries to keep the mining time difference between ____________and ____________seconds.
https://dltlabs.com/how-difficulty-adjustment-algorithm-works-in-ethereum/
Which of the following cryptocurrencies use an alternate consensus method called "Scrypt" to BTC's Proof of Work (POW) SHA-256 algorithm?
Answer(s): C
The Scrypt hash function was initially implemented by the Litecoin development team to avoid what are known, ASICs, from being able mine its cryptocurrency. When mining for cryptocurrencies, users typically have an option between: a CPU, GPU or ASIC miner.
https://www.mycryptopedia.com/litecoin-scrypt-algorithm-explained/
What is chaincode?
Answer(s): A
http://hyperledger-fabric.readthedocs.io/en/release-1.1/chaincode.html
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