The Ethereum Merge, one of the most anticipated technical milestones in blockchain history, has successfully concluded. The transition from Proof-of-Work (PoW) to Proof-of-Stake (PoS) marks a revolutionary shift in Ethereum’s consensus mechanism—a goal embedded in the project’s roadmap since its inception.
At 06:46:46 UTC on September 15, at block height 15,537,393, the final PoW block was mined, and the PoS Beacon Chain took over consensus responsibilities. The Merge was complete.
One of the most striking illustrations of this shift is the change in average and median block times. The probabilistic and variable nature of PoW mining has been replaced by the predictable, consistent 12-second block time engineered under PoS.
In this analysis, we explore the impact of this historic event through market behavior and on-chain metrics. We examine:
- Leveraged positioning in futures and options markets.
- The effect of the Merge on consensus parameters.
- The total amount of ETH staked and distribution among providers.
- A comparison between projected and actual impacts on ETH supply.
Following the Merge, ETH’s price declined by approximately 22%, falling from a pre-Merge level near $1,650 to around $1,288. This retracement effectively erased gains made since mid-July.
Market Dynamics: Profit-Taking and Leverage
ETH was one of the few assets that performed strongly in recent months amid challenging macroeconomic conditions. This outperformance likely led to significant profit-taking once the Merge was executed, contributing to the sell-off.
Leading up to the Merge, perpetual futures traders paid extreme funding rates to maintain short positions—reaching an annualized low of -1,200%. This reflected intense speculative pressure and negative sentiment leading into the event.
Post-Merge, funding rates normalized, indicating that the short-term speculative premium had largely dissipated. Open interest in futures markets also declined by 15%, from $8.0B to $6.8B.
However, when measured in ETH terms, open interest actually reached an all-time high, increasing nearly 80% since early May. This suggests that leveraged positions—including hedges—remained open even after the Merge.
In the options market, call open interest fell by $600 million (around 10%), though overall bullish positioning remains elevated compared to 2021 levels. Put open interest fell by 19%, though from a much smaller base.
Despite the price correction, the market appears to remain highly speculative, with significant leverage still in play.
On-Chain Transition: From Miners to Validators
With the end of PoW, mining difficulty immediately dropped to zero. PoW miners’ revenue streams evaporated, leaving large quantities of GPU and ASIC hardware seeking new purposes.
PoS relies on validators instead of miners. These validators are programmatically organized into committees, with one validator assigned to propose a block in each 12-second slot. If a validator is offline or fails to propose a block, it results in a missed block.
The participation rate measures the proportion of blocks successfully produced relative to the total available slots. This metric has consistently exceeded 99% throughout the Beacon Chain’s history.
In the weeks before the Merge, participation dipped slightly to around 97.5%, likely due to node issues or client software errors affecting certain validators. After the Merge, participation returned to over 99%, indicating only short-lived disruptions.
The number of attestations also saw a brief decline pre-Merge but quickly recovered to the expected range of 32,000–38,000 attestations per hour.
There are now over 429,600 active validators on the network. September alone saw more than 11,360 new validators come online, reflecting growing confidence following the Merge’s technical success.
When validators enter or exit the staking pool, they are subject to a protocol-imposed limit on validator churn per epoch. Recent validator growth, while noticeable, remains mild compared to heavier influx periods in 2021.
Staking Distribution and Efficiency
A total of 14.586 million ETH is now staked, representing 12.2% of the total ETH supply. This amount fluctuates based on:
- New deposits and eventual withdrawals (after the Shanghai upgrade).
- Issuance and fee rewards (increasing balances).
- Inactivity leaks and slashing penalties (decreasing balances).
The total staked balance is different from the effective balance—the portion of ETH actively participating in consensus. Each validator’s effective stake is capped at 32 ETH.
The total effective balance is currently 13.801 million ETH, implying a staking efficiency of 94.6%.
The majority of staked ETH is held by staking service providers. The top four—Lido, Coinbase, Kraken, and Binance—collectively manage 8.18 million ETH, or 56.08% of the total stake.
Rocket Pool, a decentralized staking operator, is also growing—though from a smaller base. It currently holds 228,200 ETH, about 1.56% of the total staked amount.
Supply Shock: Projection vs. Reality
One of the most discussed aspects of the Merge was the anticipated reduction in ETH issuance. Combined with EIP-1559’s burn mechanism, many expected a deflationary effect on ETH supply.
Since December 1, 2020, Ethereum has had two sources of supply issuance: PoW and PoS chains. EIP-1559 introduced a fee-burning mechanism on the PoW chain in August 2021, which has now carried over to PoS.
The chart below models net ETH issuance under different scenarios:
- The area chart shows actual net issuance, including PoW and PoS issuance plus EIP-1559 burns.
- A simulation of continued PoW issuance, assuming no Merge occurred.
- A simulation of pure PoS issuance, assuming the Merge happened alongside EIP-1559.
The PoS model results in a significantly lower issuance rate—around 772 ETH per day, compared to approximately 12,500 ETH per day under PoW. However, current net issuance remains slightly inflationary due to low network congestion and reduced fee burning.
Zooming into the first hours after the Merge, we can quantify the supply reduction:
- The legacy PoW chain would have issued approximately 48,400 ETH in the four days post-Merge.
- The PoS chain issued only 3,893 ETH in the same period—a reduction of 92.8%.
A brief spike in network activity immediately after the Merge did increase gas fees, leading to a short period of net deflation. However, as activity normalized, fees decreased, and net issuance resumed—though at a much slower rate than under PoW.
Frequently Asked Questions
Why did the price of ETH drop after the successful Merge?
The decline can be attributed to profit-taking after a strong pre-Merge rally, along with the closure of leveraged speculative positions. Market dynamics often involve “buy the rumor, sell the news” behavior, which likely played a role here.
Is Ethereum now deflationary?
Not immediately. While issuance has dropped significantly, low network activity has limited fee burning. Ethereum will become deflationary during periods of high network demand, but currently, it remains slightly inflationary.
What happens to former Ethereum miners?
PoW miners can no longer mine ETH. Many are transitioning to other PoW networks or repurposing hardware for alternative computing tasks. 👉 Explore more on consensus mechanisms and their economic impact
How does staking work under PoS?
Validators stake 32 ETH to participate in block production and attestations. They earn rewards for correct actions and penalties for failures. Withdrawals are not yet enabled but are planned for a future upgrade.
Will the reduced issuance rate make ETH more scarce?
Yes, over time. The reduction in new ETH issuance, combined with periodic burning, is expected to reduce overall inflation and potentially lead to deflation during high-usage periods.
Are there risks to Ethereum’s new PoS model?
Like any novel system, PoS may face initial technical challenges. However, the high participation rate and smooth transition indicate a strong start. Ongoing monitoring and upgrades will address future risks.
Conclusion
The Ethereum Merge represents a monumental achievement in blockchain engineering—a culmination of years of research and development.
On-chain analysts now have a new set of metrics to evaluate the performance and security of the world’s second-largest cryptocurrency. The new supply dynamics, influenced by validator growth and network demand, will play a key role in Ethereum’s economic future.
While short-term market reactions may reflect speculation and sentiment, the long-term impact of the Merge is likely to be defined by sustainability, security, and gradual economic transformation.