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<a href="/ja/price/ethereum-eth" target="_blank" class="blog_inner_link">Ethereum</a>, the second-largest cryptocurrency by market capitalization, underwent one of the most significant upgrades in blockchain history—the Ethereum Merge. This transition from Proof-of-Work (PoW) to Proof-of-Stake (PoS) marked a major milestone, improving Ethereum’s scalability, security, and energy efficiency.  
With the Merge, Ethereum left behind the energy-intensive mining system and introduced a staking mechanism that allows users to validate transactions while earning staking rewards. This event not only impacts Ethereum holders, DeFi projects, and NFT platforms, but also the broader <a href="/ja/price" target="_blank" class="blog_inner_link">crypto market</a>.  
In this article, we’ll dive deep into what the Ethereum Merge is, how it works, and its impact on Ethereum's future.  
##What is the Ethereum Merge?
The Ethereum Merge is the long-awaited upgrade that transitioned Ethereum from the Proof-of-Work (PoW) consensus mechanism to Proof-of-Stake (PoS). Before the Merge, Ethereum relied on miners to validate transactions, similar to <a href="/ja/price/bitcoin-btc" target="_blank" class="blog_inner_link">Bitcoin</a>. However, with PoS, Ethereum now uses validators who stake ETH to secure the network.  
##Why is it called "The Merge"?
The Merge refers to the integration of Ethereum’s Mainnet with the Beacon Chain, which was a separate PoS blockchain launched in 2020. Instead of operating two separate networks, Ethereum "merged" them into a single PoS-based system, eliminating the need for mining.  
This transition drastically reduced Ethereum’s energy consumption by over 99%, making it a more sustainable blockchain for the future.  
##How Does the Ethereum Merge Work?
**Before the Merge, Ethereum operated on two parallel chains:  **
- Ethereum Mainnet (PoW): Handled transactions and smart contracts but relied on miners.  
- Beacon Chain (PoS): Launched as an experimental PoS network without executing transactions.  
**During the Merge:  **
1. The Ethereum Mainnet fused with the Beacon Chain.  
2. Proof-of-Work was completely removed, and Ethereum fully adopted Proof-of-Stake.  
3. Validators replaced miners, and ETH staking became the new way to secure the network.  
Now, anyone who stakes 32 ETH can become a validator, earning staking rewards instead of mining rewards.  
##Why Was the Ethereum Merge Important?
The Ethereum Merge was more than just a technical upgrade—it reshaped the Ethereum ecosystem and the broader crypto market.  
**Key Benefits of the Ethereum Merge**
- Massive Energy Reduction: Ethereum’s energy consumption dropped by 99.95%, making it one of the most eco-friendly blockchains.  
- No More Mining: The shift to PoS eliminated the need for expensive mining rigs, reducing ETH inflation.  
- Enhanced Security: A PoS-based Ethereum is less vulnerable to 51% attacks compared to PoW.  
- Foundation for Future Upgrades: The Merge was just the first step toward Ethereum 2.0, paving the way for sharding and lower transaction fees.  
Ethereum’s transition to PoS is a game-changer, making it more scalable and environmentally friendly.  
##Impact of the Ethereum Merge on Crypto Markets
The Merge had significant effects on Ethereum, altcoins, and the overall crypto industry.  
**1/ ETH Staking Became More Popular**
- Instead of mining, Ethereum now rewards users who stake ETH to validate transactions.  
- Staking platforms like Lido, <a href="/ja/price/rocket-pool-rpl" target="_blank" class="blog_inner_link">Rocket Pool</a>, and exchanges like Gate.io allow users to stake ETH and earn passive income.  
**2/ Changes in Ethereum Supply & Deflationary Effects**
- The Merge reduced new ETH issuance by 90%, making Ethereum less inflationary.  
- With the EIP-1559 burn mechanism, ETH’s supply may become deflationary, increasing its long-term value. 
**3/ DeFi & NFT Market Growth**
- The Merge increased network efficiency, benefiting DeFi protocols and NFT platforms built on Ethereum.  
- Lower energy costs and higher security attracted more developers to Ethereum.  
**4/ Impact on GPU Mining Industry**
- Ethereum miners were forced to switch to other PoW chains like <a href="/ja/price/ethereum-classic-etc" target="_blank" class="blog_inner_link">Ethereum Classic</a> (ETC) and <a href="/ja/price/ravencoin-rvn" target="_blank" class="blog_inner_link">Ravencoin</a> (RVN).  
- Many miners sold off their GPU hardware, causing a decline in GPU prices worldwide.  
The Merge reshaped the entire Ethereum ecosystem, making ETH a more attractive long-term investment.  
##What’s Next After the Ethereum Merge?
The Merge was only Phase 1 of Ethereum’s long-term roadmap. Here’s what’s coming next:  
- Shanghai Upgrade (2023-2024): Allows users to withdraw staked ETH, making staking more flexible.  
- Sharding (2024+): Ethereum will implement sharding, breaking the network into smaller chains to increase transaction speed and reduce gas fees.  
- Layer 2 Expansion: Rollups like <a href="/ja/price/optimism-op" target="_blank" class="blog_inner_link">Optimism</a>, Arbitrum, and zkSync will continue scaling Ethereum, lowering costs for DeFi and NFT users.  
Ethereum’s roadmap focuses on scalability, security, and sustainability, ensuring it remains the leading smart contract platform.  
##How to Buy & Stake ETH After the Merge?
For investors looking to buy, trade, or stake ETH, choosing a secure and high-liquidity exchange is essential.  
**Where to Buy & Trade ETH?**
- Gate.io offers a secure platform to buy, sell, and trade ETH with deep liquidity.  
- Users can access spot trading, futures, and staking options to maximize ETH holdings.  
**How to Stake ETH?**
- Solo Staking: Stake 32 ETH and become a validator.  
- Staking Pools: Platforms like Lido, Rocket Pool, and Gate.io’s staking services allow users to stake ETH with smaller amounts.  
- Exchange Staking: Users can stake ETH directly on Gate.io, earning rewards without setting up a validator node.  
As ETH staking grows, it provides a passive income opportunity for long-term holders.  
##Conclusion
The Ethereum Merge was a revolutionary event, transforming Ethereum into a greener, more scalable, and more secure blockchain. By eliminating mining and shifting to Proof-of-Stake, Ethereum is now more efficient and better positioned for future upgrades.  
For investors, traders, and stakers, Ethereum’s PoS system offers new earning opportunities, and platforms like Gate.io provide secure ETH trading and staking solutions.  
As Ethereum continues evolving, the Merge sets the stage for a more scalable and decentralized future, making ETH one of the most promising assets in the crypto space.


<div class="blog-details-info">
<div>Author: **Cinnie**, Gate.io Researcher
<div class="info-tips">\*This article represents only the views of the researcher and does not constitute any investment suggestions. Investment involves risks and users need to make careful decisions.
<div>\*Gate.io reserves all rights to this article. Reposting of the article will be permitted provided Gate.io is referenced. In all cases, legal action will be taken due to copyright infringement.
</div>

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What is ETH Merge? Ethereum's Landmark Event