Cryptomining Concepts BBLC Practice Questions (Page 8)

Questions 36–40

1. 36foundation · easy

   What is the purpose of mining difficulty adjustment in a Proof of Work blockchain?

   • ATo maintain a consistent average block time
   • BTo reduce the number of transactions per block
   • CTo increase the block reward over time
   • DTo prevent miners from using ASICs
   Reveal Solution Discussion Select an answer first
2. 37foundation · easy

   What is the main purpose of the computational work required in Proof of Work?

   • ATo make it economically infeasible to attack the network by requiring significant resources
   • BTo speed up transaction confirmation times
   • CTo encrypt all transactions on the blockchain
   • DTo create new coins out of thin air
   Reveal Solution Discussion Select an answer first
4. 38foundation · easy

   When a miner uses a mining pool, what role does the mining software play in relation to the pool?

   • AIt connects to the pool server to receive work and submit completed shares
   • BIt encrypts the communication between the miner and the pool
   • CIt directly generates blocks independently of the pool
   • DIt stores the pool's transaction history locally
   Reveal Solution Discussion Select an answer first
5. 39foundation · easy

   In the early days of Bitcoin, which type of hardware was commonly used for mining before more specialized equipment became widespread?

   • ACPU miners
   • BASIC miners
   • CGPU miners
   • DFPGA miners
   Reveal Solution Discussion Select an answer first
6. 40application · medium

   A mining company notices that the average block time on the PoW network they mine has increased from 10 minutes to 15 minutes over the past two weeks. What is the most likely cause?

   • AThe network's total hashrate has decreased, and the difficulty has not yet adjusted downward.
   • BThe mining software used by the company is outdated and needs an update.
   • CThe network's transaction volume has increased, causing longer block times.
   • DThe block reward was increased, making miners less motivated to find blocks quickly.
   Reveal Solution Discussion Select an answer first