The ____________of the tree is the topmost node and hence this tree is represented upside down. The bottommost nodes are called as ____________nodes. Each node is simply a cryptographic hash of a transaction.In the above diagram, Transaction A,B, C,C from the leaves of the tree. Select one.
Answer(s): B
The root of the tree is the topmost node and hence this tree is represented upside down. The bottommost nodes are called as leaf nodes. Each node is simply a cryptographic hash of a transaction. In the above diagram, Transaction A,B,C,C form the leaves of the tree.
https://medium.com/all-things-ledger/bitcoins-implementation-of-blockchain-2be713f662c2
Which of the following blockchain is NOT a permissioned blockchain?
What blockchain is considered Blockchain 1.0, the first blockchain?
Answer(s): D
Blockchain 1.0, Grandpa Bitcoin
https://hackernoon.com/a-brief-history-in-the-evolution-of-blockchain-technology-platforms-1bb2bad8960a
In the EVM every account has a persistent key-value store mapping 256-bit words to 256-bit words called
Answer(s): C
Every account has a persistent key-value store mapping 256-bit words to 256-bit words called storage.
https://solidity.readthedocs.io/en/latest/introduction-to-smart-contracts.html#the-ethereum-virtual-machine
____________ is the official Ethereum IDE that allows developers to build and deploy contracts and decentralized applications on top of the Ethereum blockchain.
Mix is the official Ethereum IDE that allows developers to build and deploy contracts and decentralized applications on top of the Ethereum blockchain
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173 question is A not D
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