Cryptomining and the Mining Ecosystem BDC Practice Questions (Page 10)

Questions 46–50

1. 46foundation · easy

   What is the primary environmental concern associated with Proof of Work cryptomining?

   • AIt uses rare earth metals that are harmful to mine
   • BIt generates radioactive waste from cooling systems
   • CIt produces large amounts of electronic waste from obsolete mining hardware
   • DIt consumes significant amounts of electricity, often from non-renewable sources
   Reveal Solution Discussion Select an answer first
2. 47expert · hard

   A mining company operates facilities in two jurisdictions. Jurisdiction A has high electricity costs but no specific mining regulations. Jurisdiction B has low electricity costs but has proposed a law that would require miners to obtain a license and prove that a certain percentage of their energy comes from renewable sources. The company wants to minimize regulatory risk while keeping operating costs low. What should the company do?

   • AKeep operations in Jurisdiction A and accept the higher electricity costs to avoid regulatory uncertainty.
   • BSplit operations between both jurisdictions, with a larger share in Jurisdiction B to benefit from lower electricity costs while monitoring the regulatory situation.
   • CRelocate to Jurisdiction A and invest in renewable energy to reduce electricity costs and avoid future regulation.
   • DMove all operations to Jurisdiction B and comply with the proposed licensing and renewable energy requirements.
   Reveal Solution Discussion Select an answer first
4. 48foundation · easy

   Which of the following is a common regulatory concern for cryptomining operations?

   • AEnsuring that mining software is open-source
   • BObtaining proper licenses and permits for electricity usage and business operations
   • CRegistering as a securities exchange
   • DCompliance with data protection regulations like GDPR
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5. 49application · medium

   A new mining pool is being launched. The operators want to attract miners by offering a reward system that pays out consistently even if the pool does not find a block for a long time. Which reward system should they implement?

   • APay Per Last N Shares (PPLNS), where miners are paid based on shares submitted in the last N shares before a block is found.
   • BPay Per Share (PPS), where miners receive a fixed payout for each valid share submitted.
   • CSolo mining, where each miner competes independently for blocks.
   • DProportional, where miners receive a share of the block reward based on their contributed shares only when the pool finds a block.
   Reveal Solution Discussion Select an answer first
6. 50application · medium

   A new miner wants to start mining but has limited capital and technical expertise. Which participant in the mining ecosystem would be most helpful to get started?

   • AA mining pool that offers easy-to-use software and support for beginners.
   • BA hardware manufacturer that sells pre-configured ASIC miners.
   • CA cryptocurrency exchange that offers mining services.
   • DA blockchain developer who can write custom mining software.
   Reveal Solution Discussion Select an answer first