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The future of finance is built on Bitcoin — Ethereum was just the testnet

Opinion by: Alisia Painter, chief working officer of Botanix Labs

With out Ethereum, the business wouldn’t be the place it’s right this moment by way of bringing decentralized finance (DeFi) to life, making programmability a key function of blockchains and proving the worth of good contracts at scale. The Ethereum Digital Machine has grow to be the go-to platform for builders, with the biggest ecosystem and tooling.

As DeFi matures, nonetheless, it’s price asking: Is Ethereum one of the best basis for the way forward for monetary innovation? Nicely, the reply may simply be Bitcoin.

With practically $6 billion in whole worth locked as of March 2025, Bitcoin’s decentralization, liquidity and resilience place it because the pure house for the subsequent period of onchain finance, and whereas Ethereum’s flexibility has enabled an explosion of experimentation, that very same flexibility has include trade-offs.

From vulnerabilities in good contracts we’ve seen in big-name hacks to ongoing debates round scalability, Ethereum’s experimental ethos has left cracks in its basis. In contrast, Bitcoin affords a stable, battle-tested infrastructure the place DeFi can flourish sustainably and cross the chasm from degens into mainstream adoption.

Ethereum’s contribution and limitations

Ethereum was liable for pioneering what we all know to be DeFi right this moment. This innovation and growth served as a testing floor for what Bitcoin is able to and may finally obtain. Its programmability has empowered builders to create the whole lot from automated lending platforms to stylish derivatives. These merchandise exist solely due to Ethereum’s good contract capabilities.

With that flexibility got here severe trade-offs, and we’ve seen them play out in real-time. The DAO hack in 2016 drained $50 million and practically killed Ethereum in its infancy. The 2022 Wormhole exploit price $325 million lately, and the Ronin Bridge hack took $620 million.

These weren’t simply dangerous luck — they’re the predictable results of Ethereum’s open-ended programmability. Sensible contracts are highly effective, however they’re additionally complicated. Complexity breeds vulnerability. Solidity merely wasn’t designed with safety as the first consideration.

Latest: Ethereum researcher pitches resolution to repair centralization woes, get rid of MEV

On the similar time, Ethereum’s scaling challenges have made it more and more inaccessible. 

Community congestion and fuel charges hovering to tons of of {dollars} throughout peak intervals have successfully locked out common customers. Seasoned customers shall be very nicely accustomed to the eye-watering fuel charges required simply to make fundamental swaps throughout occasions of excessive community congestion. Layer-2 options like Optimism and Arbitrum have made nice progress, however they fragment liquidity and introduce their very own belief assumptions.

This isn’t to say Ethereum is failing. It’s not. As DeFi matures past its experimental section and turns into extra mainstream in world finance, we have to ask whether or not it is smart to maintain constructing on this basis or to contemplate a extra resilient different.

Why Bitcoin?

Bitcoin’s design philosophy is radically totally different. It isn’t a platform for limitless experimentation; it’s a fortress of stability. Its conservative growth ethos and proof-of-work consensus make Bitcoin probably the most safe blockchain in existence. This safety interprets into belief — a essential ingredient for DeFi functions dealing with billions of {dollars} in worth.

Liquidity is one other benefit Bitcoin affords. With a market capitalization that dwarfs Ether’s (ETH), Bitcoin (BTC) is probably the most liquid cryptocurrency, making it an excellent base layer for DeFi. The rise of applied sciences like Bitcoin’s Lightning Community and sidechains like Spiderchain are already unlocking Bitcoin’s potential for good contracts, providing the programmability builders want with out sacrificing safety or scalability.

Not all Bitcoin tasks are created equal 

Many so-called Bitcoin L2s and sidechains declare to be “Bitcoin native,” providing functions the promise of leveraging Bitcoin’s intrinsic safety properties.

Let’s set the file straight: Many aren’t actually Bitcoin-native.

With out pointing fingers, these tasks typically depend on custodial multisig setups, bridge Bitcoin to Ethereum or one other chain, after which construct rollups on prime. Whereas there’s nothing inherently unsuitable with this method, and there shall be use instances that work with this set of belief assumptions, it’s not the identical as being natively constructed on Bitcoin.

True Bitcoin L2s are designed straight on Bitcoin, tapping into its liquidity, safety and resilience — qualities which have withstood the take a look at of time. If we wish to broaden DeFi capabilities, we should construct them on Bitcoin. It’s a simple ask, however one price reiterating as we see main gamers exploring paths that will not totally align with Bitcoin’s potential.

The trail ahead

The controversy shouldn’t be framed as Ethereum versus Bitcoin. That’s a false binary. Ethereum’s innovation-first method has been essential in proving what’s doable, and it stays a vital hub of DeFi experimentation. Bitcoin affords one thing Ethereum doesn’t: a basis that has already earned the belief of the broader monetary world.

Customers shouldn’t have to decide on between safety and performance. Bitcoin’s resilience is mixed with subtle monetary instruments much like these pioneered by Ethereum. Among the most enjoyable work occurring now could be at this intersection.

For DeFi to meet its promise of making a good, open and inclusive monetary system, it should transfer past its experimental section. It have to be safe sufficient that common folks can use it with out worry of shedding the whole lot to an exploit. It wants liquidity deep sufficient to help real-world monetary exercise. And it requires the form of institutional belief that solely Bitcoin has achieved.

The way forward for finance shall be constructed on Bitcoin not as a result of Ethereum failed however as a result of Bitcoin supplies the inspiration that finance calls for.

Opinion by: Alisia Painter, chief working officer of Botanix Labs

This text is for normal info functions and isn’t meant to be and shouldn’t be taken as authorized or funding recommendation. The views, ideas, and opinions expressed listed below are the creator’s alone and don’t essentially mirror or characterize the views and opinions of Cointelegraph.