イーサリアムノート：ETHステーキング、PoW（プルーフ・オブ・ワーク）とPoS（プルーフ・オブ・ステーク）解説

2. Proof-of-Stake (PoS)

PoS replaces computational competition with financial commitment. Much like major corporate shareholders are incentivized to protect their company’s value, validators in PoS lock up capital to secure the network.

• Mechanism: Validators lock (stake) ETH to earn validation rights. Malicious actions result in asset slashing.
• Key Benefits:
  1. Energy Efficiency: Reduces network energy consumption by over 99%.
  2. Supply Stability: Locking ETH removes circulating supply from the market, reducing sell pressure and supporting ecosystem stability.