symbiosis.finance
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How Bitcoin Is Going Cross-Chain in 2025: Native BTC Enters DeFi

BTCFi – short for Bitcoin Finance – is the emerging world of decentralized finance that actually uses Bitcoin itself, not a placeholder version of it. Beyond advancements in Bitcoin’s programmability (think Taproot, Layer 2s, and sidechains), BTC now has a newfound agility thanks to modern bridging solutions.
As a result, users can provide liquidity to DEXs that support native BTC, stake BTC or rBTC on yield protocols, use BTC as collateral in lending markets without needing to port it to Ethereum, and even participate in synthetic stablecoins and perpetuals on Bitcoin-native DeFi rails.