technology medium Fill in the Blank

The consensus mechanism used by Ethereum after The Merge is called Proof of ________.

  1. Interdisciplinary Cyber Physical Systems / NM-ICPS
  2. Stake / PoS
  3. Ransomware
  4. Closed-loop / Feedback

Answer: Stake / PoS

Ethereum transitioned from Proof of Work to Proof of Stake (The Merge, 2022), reducing energy consumption by ~99.95%. Validators stake ETH to propose/attest blocks. Critical for understanding crypto sustainability.

Topic Digital Currencies
Exam Relevance Banking, UPSC, SSC
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