Bitcoin’s Layer 2 Fantasy: Stacks, Runes, and BitVM Try to Build DeFi on Digital Gold
🔑 Key Takeaways Stacks, Runes, and BitVM promise to graft smart contracts and DeFi onto Bitcoin. Advocates see “Ethereum without Ethereum,” critics call it impractical. Key question: Is Bitcoin DeFi possible, or just a mirage? To succeed, Bitcoin L2s need robust bridges, sustainable incentive models, and developer ecosystems—still missing today. Maximalists insist Bitcoin’s purity must remain untouched: digital gold, not programmable money. 🗞 Main Story Digital Gold’s Alchemists Bitcoin was designed as digital gold : simple, incorruptible, ossified. Yet developers keep dreaming of alchemy —transforming the hardest money into programmable finance. Stacks anchors dApps and contracts to BTC. Runes converts ordinal inscriptions into fungible casino chips. BitVM whispers of zk-like circuits to mimic Ethereum’s logic off-chain. On paper, dazzling. In practice, clumsy. TVL across Bitcoin-native DeFi remains under $2B (DefiLlama, Aug 2025) —tiny beside Et...