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Post is by: AmoxidtheFirst and the url/text [ ](https://goo.gl/GP6ppk)is: /r/CryptoMarkets/comments/1rkkik2/found_something_interesting_being_built_on_a/ I understand many people here prefer to stay fully on native Bitcoin and I’m not here to argue that anything is better than that. This is more for those who are curious about experimenting with DeFi while still settling on Bitcoin as the base layer. Recently I came across something called **JuiceSwap** that’s being built on **Citrea**, a Bitcoin Layer 2. Citrea is a **ZK rollup designed for Bitcoin** that executes transactions off chain and posts proofs back to Bitcoin for settlement. The goal is to enable smart contracts and higher throughput while still anchoring security to Bitcoin. Citrea is also **EVM compatible**, which means developers can build applications similar to those on Ethereum while still settling back to Bitcoin. On top of Citrea there’s **JuiceSwap**, which acts as a trading and liquidity hub in that ecosystem. What caught my attention: • swapping assets in a Bitcoin secured environment • bridging BTC to **cBTC** to use it in applications • a decentralized overcollateralized stablecoin called **JUSD** • a **launchpad** for new projects in the Citrea ecosystem • and the possibility to earn yield (I saw up to around **10% APR** in their savings section) So the idea seems to be building a small DeFi ecosystem that ultimately settles back to Bitcoin. Again, this obviously doesn’t replace using Bitcoin natively and I know many people prefer to keep things simple and on L1. But for those who are curious about **DeFi on a Bitcoin settlement layer**, it’s interesting to see what people are starting to build here. Curious what you guys think about Bitcoin rollups like Citrea and applications being built on top of them. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/CryptoMarkets) if you have any questions or concerns.*