This page provides quiz (interview questions) for Blockchain Developers. These are questions, primarily, related with Bitcoin Blockchain. Some of the topics covered are following:
- Merkle tree
- Block
- Mining
Block header consists of metadata related with which of the following?
Block identifier in a Blockchain, a Hash value, is calculated as a function of which of the following?
Which of the following data structure is used to summarize all the transactions in a block?
Which of the following algorithm is used in Bitcoin's merkle tree?
A transaction is added to a candidate block solely based on fees associated with the transaction?
Which of the following is considered by miners for adding a transaction to a candidate block?
Which of the following is considered first by miners when adding a transaction to a candidate block?
Which of the following is used for first transaction added to the block, that goes into miners' wallet?
A valid Bitcoin transaction do have expiration time-out.
If the block is at height 282125, what will be the reward value (in form of number of bitcoins) for the miner for adding a new block?
Ajitesh Kumar
Ajitesh is passionate about various different technologies including programming languages such as Java/JEE, Javascript, PHP, C/C++, mobile programming languages etc, and, computing fundamentals related with cloud-native technologies, application security, cloud computing platforms, mobile apps, big data etc.
He has also authored the book, Building Web Apps with Spring 5 and Angular.
He has also authored the book, Building Web Apps with Spring 5 and Angular.
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