Bitaigen Research In this article we outline the Ethereum community's debate over returning to proof‑of‑work, analyze Vitalik Buterin’s response to the centralization concerns of PoW, and assess the practical differences between PoW and PoS in terms of decentralization, power balance, and energy costs. By contrasting multiple viewpoints, we help readers understand the risks and opportunities behind the choice of technical roadmap, and future sections will dive deeper into the discussion.
Within the Ethereum community, some members advocate restoring Proof of Work (PoW), arguing that it can preserve decentralization, but Vitalik Buterin counters that PoW also concentrates hashing power and carries centralization risks.
Advantages of the PoW Mechanism
Amanda revealed on Twitter that many Ethereum community members privately lean toward PoW and are reluctant to switch to Proof of Stake (PoS). The main reasons they cite include:
- Centralization risk: In PoS, validator stakes tend to be concentrated among large holders, which could increase centralization.
- Power balance: The original three stakeholder groups (miners, developers, users) could check each other, but PoS eliminates the miner role.
- Energy cost linkage: PoW incorporates the price of electricity directly into mining costs, which can reflect real economic consumption to some extent.
It should be noted that the claim of “many members” has not been widely verified and may only reflect Amanda’s personal view, but this viewpoint prompted Vitalik’s public response.
Vitalik’s Rebuttal to PoW Centralization
Addressing the first point above, Vitalik states that PoW itself exhibits significant centralization, and he cites an historical Ethereum hash‑rate distribution chart to illustrate this, a detail that has been rarely mentioned because many view PoW as a temporary phase on the path to PoS.
*Ethereum hash‑rate distribution chart*
On the third point, Vitalik emphasizes that PoS does not involve ASIC miners, so there is no controversy over energy waste.
Regarding power balance, although Vitalik did not respond directly, Ethereum has recently introduced several complementary measures to preserve the diversity and decentralization of network governance.
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The above is the detailed analysis by Vitalik of “Proof of Work is also centralized! Community wants Ethereum to revert to PoW?”. For more material on Vitalik’s rebuttal of PoW’s alleged centralization, feel free to follow other articles on Bitaigen (BitRoot).
Related Reading
- Proof-of-Work: Principles, Mechanics & Real-World Projects
- Ethereum ZK Rollups vs Solana: Scalability Showdown
- Proof-of-Stake Staking: Earn Crypto Rewards Securely
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