Cryptomining and the Mining Ecosystem BDC Practice Questions (Page 3)

Questions 11–15

1. 11expert · hard

   A Proof of Work network is concerned about the centralization of mining power in a few large pools. Which measure would be most effective in reducing the influence of these pools without compromising network security?

   • AImplement a hard cap on the hashrate that any single pool can contribute.
   • BIncrease the block reward to attract more miners to the network.
   • CEncourage miners to use a mining protocol that allows them to switch pools easily, such as Stratum V2.
   • DRequire all miners to use the same mining software to ensure uniformity.
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   In a mining pool, how are rewards typically distributed among participants?

   • AEqually to all miners regardless of their contribution
   • BBased on the miner's electricity cost
   • COnly to the miner who found the valid block
   • DProportionally to the amount of hashing power each miner contributed
   Reveal Solution Discussion Select an answer first
4. 13expert · hard

   A mining company operates in a jurisdiction that is considering a ban on energy-intensive mining. The company wants to continue operations while complying with potential regulations. Which strategy is most aligned with regulatory trends and sustainability?

   • ATransition to using renewable energy sources and participate in carbon offset programs.
   • BRelocate to a jurisdiction with no mining regulations and use cheap fossil-fuel-based electricity.
   • CSwitch to a cryptocurrency that uses Proof of Stake to avoid mining energy consumption.
   • DLobby against the ban while continuing to operate with the current energy mix.
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   What is the primary benefit of joining a mining pool for an individual miner?

   • AIt reduces the variance of mining income by combining hashing power with other miners
   • BIt guarantees that the miner will find a block every day
   • CIt increases the block reward for each individual miner
   • DIt eliminates the need for mining hardware
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   Which statement best describes the role of cryptomining in a blockchain network?

   • AIt provides a way to transfer value without requiring transaction validation
   • BIt replaces the need for consensus by using a central authority to confirm blocks
   • CIt ensures that all transactions are free of charge for users
   • DIt secures the network by making it computationally expensive to alter past transactions
   Reveal Solution Discussion Select an answer first