October 25, 2025, 7:45 am | Read time: 7 minutes

Which is better, Bitcoin or Ethereum? This question is often asked, but rarely answered definitively. The situation is too complex, too many factors are at play, and the perspectives are too varied.

Bitcoin vs. Ethereum – the Beginnings

But from the beginning: Bitcoin was introduced to the world in 2009 by a mysterious founder named Satoshi Nakamoto. At that time, a Bitcoin was worth only a few cents. The price has multiplied over the years. In November 2021, an all-time high of more than $69,000 was recorded. However, cryptocurrencies are extremely volatile. Thus, Bitcoin also experiences massive fluctuations in value on a daily basis.

In the early years of Bitcoin, a teenager named Vitalik Buterin wanted to be part of the crypto movement. Since his vision of Bitcoin as a platform for apps did not resonate, he decided a few years later to create his own cryptocurrency: Ethereum. What makes it special is its programmability, which was designed from the start. Now, a few years later, Ethereum has matured.

Ethereum can do more than Bitcoin, one might say simply. For example, smart contracts are part of its repertoire. They introduce a new central idea: buying, selling, or lending certain tokens can be handled on the blockchain via smart contracts without intermediaries, without signing contracts, and without exchanging personal information. And all of this is completely secure.

While Bitcoin’s associated blockchain and coin share the same name, the coin of the Ethereum blockchain is called Ether.

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How Do Bitcoin and Ethereum Differ?

Bitcoin is the leader among cryptocurrencies for a reason. It is not only the oldest cryptocurrency on the market but also the most decentralized. There is no company running Bitcoin, no owner, so one could speak of a public blockchain. This status makes Bitcoin less susceptible to legal actions, as there is no one to sue. Anyone can buy Bitcoin, anyone can mine Bitcoin, anyone can manage Bitcoin themselves, and the brand and logo belong to everyone and no one. The software is open source and can be viewed, copied, or modified by anyone. Bitcoin is immune to everything that would damage other brands–because it is not a brand.

And Bitcoin, measured by its market value, is now larger than companies like Visa, Walmart, and the Coca-Cola Company. Bitcoin ranks just behind Tesla.

Ethereum, on the other hand, is further down in a ranking published by the financial data website Coinmarketcap, but still ahead of McDonald’s, Nike, or Toyota. Ethereum has not yet reached the same level of decentralization as Bitcoin. The Ethereum Foundation is still perceived to have significant influence, even though Ethereum, like Bitcoin, is open source and formally considered decentralized.

The technological leadership has made Ethereum indispensable in the “cryptoverse.” The software is the foundation of many other software applications that build on the Ethereum infrastructure as dapps or rollups. Dapps are decentralized applications based on blockchains like Ethereum that offer users added value. Rollups, on the other hand, serve to offload transactions from large, slower blockchains and reinsert them after quick completion. Through compatibility with the Ethereum Virtual Machine (EVM), other blockchains can also interact with Ethereum. This creates a vast cryptographic EVM ecosystem.

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Bitcoin is Limited, Ethereum is Not

An important difference between Bitcoin and Ethereum is the number of coins. Bitcoin is limited to exactly 21 million units. Well over 19 million of these have already been mined and are in circulation. This limitation cannot be lifted by anything or anyone. It is part of the code. However, since the issuance of Bitcoin is automatically halved after 210,000 blocks are mined, it will take a long time before this limit is reached.

Ethereum, on the other hand, has no programmed limit. Currently, over 120 million Ether are in circulation. The previous all-time high price was reached in November 2021 at more than $4,800 per unit.

Another important difference is the consensus mechanism used–at least now, to be more precise. Previously, both blockchains operated on the proof-of-work (PoW) mechanism. But since the so-called Merge in September 2022, Ethereum has been operating on the proof-of-stake (PoS) mechanism. This means the two cryptocurrencies now differ significantly technologically.

And this raises the question of the so-called Flippening in a new way.

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Will Ethereum Soon Surpass Bitcoin?

In crypto slang, Flippening refers to Ethereum replacing Bitcoin as the largest cryptocurrency.

This idea is widespread, and until the Merge, many would have bet that Bitcoin’s days as the leading cryptocurrency were numbered. After all, Ethereum could be mined and managed just like Bitcoin, only Ethereum had more technological possibilities.

The Merge gives Ethereum new advantages on one hand, but also certain disadvantages on the other, leading to a reassessment of the likelihood of the power shift, or Flippening. Various metrics show different trends. Parameters such as the number of active addresses, transaction volume, or even the number of Google searches are observed over the years and represented in indices. In some categories, Ethereum has improved, while in others, Bitcoin has moved further ahead.

Ethereum is More Modern…

A plus for Ethereum is its much higher energy efficiency and thus environmental friendliness due to the use of the proof-of-stake mechanism. This could help Ethereum in some parts of the world and in certain political decision-making processes, such as when it comes to financial support or bans. And this will, in turn, be of particular interest to many investors who focus on sustainability.

Other users, however, emphasize the loss of security attributed to proof of stake compared to proof of work. Whether this is really true is a matter of controversial debate. Other crypto enthusiasts lament a kind of “de-democratization” of Ethereum. This encompasses various aspects. To give a simple example: anyone can mine Bitcoin on any smartphone without having to buy Bitcoin. This was also possible with Ethereum in the past. However, for the proof-of-stake mechanism, an initial investment in the currency is now necessary.

The question of whether mining is even worthwhile considering the energy expended does not play a major role in countries where energy is cheap and climate change is not a societal issue. Additionally, Bitcoin now has other arguments to present.

Transaction costs and transaction speed have become obstacles for Bitcoin and Ethereum over the years. With increasing use, the blockchains became more expensive and slower for users. Ethereum found a solution with rollups–also called Layer2 blockchains because they represent a separate layer–which makes transactions faster and reduces costs. Simply put, transactions are bundled on a parallel, fast blockchain and then registered as a batch transaction on the Ethereum blockchain with a time delay. With this, many thought Ethereum had already won the race for the top spot.

… but Bitcoin is Also Evolving

But recently, Bitcoin’s Lightning Network has been gaining increasing popularity. Here, too, transactions are bundled in parallel and later registered as a batch transaction on the Bitcoin blockchain. And there’s an added bonus. Lightning apps make Bitcoin a convenient and easy-to-use currency for everyday use for the first time. With just a few clicks on a smartphone, you can quickly pay for a coffee with Bitcoin–if the café already accepts Bitcoin. Central figures in the crypto space, such as former Twitter CEO and current Square founder Jack Dorsey, are succeeding in bringing Bitcoin to new popularity among broad segments of the global population through the fascination of Lightning payments. Additionally, there are indeed successful efforts to increase the use of sustainable energy in Bitcoin mining.

The cards have been reshuffled. Whether Ethereum will really succeed in dethroning Bitcoin in the foreseeable future seems more uncertain than ever.