CoinDesk
Botanix, a Bitcoin layer-2 project that bet on programmable BTC as a general-purpose DeFi platform, is winding down operations after concluding the thesis did not work in the current market. The team told users in a social media post that "making Bitcoin programmable, productive and integrated into real financial activity isn't where real-world users sit right now."
The data underlines the gap. DefiLlama shows Ethereum with roughly $39 billion in total value locked, while Bitcoin's onchain DeFi activity sits below $5 billion — even though Bitcoin's total market capitalization is four to five times Ethereum's. Rootstock, one of the longest-running Bitcoin smart-contract platforms, holds about $101 million in TVL. Citrea, a newer Bitcoin zero-knowledge rollup, carries less than $1 million in stablecoin market cap.
Why it matters
The shutdown exposes a thesis problem the sector is now openly discussing. Babylon co-founder David Tse said the issue with many Bitcoin L2s is that they are "trying to bootstrap a brand new economy." His project's alternative route is to move BTC into existing liquid markets — most prominently Aave on Ethereum — so that bitcoin holders can earn yield without giving up custody via wrapped or synthetic tokens. Citrea CEO Orkun Kılıç sharpened the critique: "Trying to do the same things as Solana the day you launch doesn't make any sense."
The result is a reorientation away from "Ethereum on Bitcoin" and toward a narrower set of products that lean on Bitcoin's security and settlement: BTC-backed lending, staking, and institutional yield. Rootstock Labs CEO Diego Gutierrez Zaldivar argued the collapse of centralized lenders such as Celsius, BlockFi and Voyager validated the need for transparent, protocol-based bitcoin credit rather than discrediting it.
Market impact
The structural read is bearish for general-purpose Bitcoin L2s but not for bitcoin-native DeFi in the narrow sense. Where wrapped BTC and synthetic products have dominated onchain exposure, custody-preserving routes that route BTC into established smart-contract venues look better positioned.
Frequently asked questions
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Why is Botanix shutting down?
Botanix concluded that programmable, general-purpose Bitcoin DeFi 'did not work in this market and not in this timeline.' The team told users that 'making Bitcoin programmable, productive and integrated into real financial activity isn't where real-world users sit right now.'
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How big is Bitcoin onchain DeFi compared to Ethereum?
DefiLlama shows roughly $39 billion in TVL on Ethereum versus less than $5 billion on Bitcoin onchain DeFi, even though Bitcoin's total market cap is four to five times Ethereum's.
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What are Bitcoin L2s doing instead of building a general-purpose ecosystem?
Builders are narrowing the pitch to products 'uniquely enabled by Bitcoin security and settlement' — bitcoin-backed lending, custody-preserving routes into existing DeFi venues like Aave, staking, and institutional yield products.
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Why does Babylon want to bring bitcoin to Ethereum?
Co-founder David Tse said most Bitcoin holders don't want to give up custody in exchange for wrapped or synthetic tokens. Babylon's first use case is routing BTC into Aave, the largest smart-contract DeFi protocol, so holders can access yield without surrendering title to their bitcoin.
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Is bitcoin-backed lending still a real use case?
Rootstock Labs CEO Diego Gutierrez Zaldivar argued yes, saying the collapses of Celsius, BlockFi and Voyager validated the need for transparent, protocol-based bitcoin credit. He added that bitcoin-backed lending conversations have increased in the current cycle as speculative activity has cooled.
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