Built on Bitcoin with Jacob Brown GLOCK: A Better BitVM with David Seroy - Ecosystem Lead at Alpen Labs
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Oct 27, 2025 
Join David Seroy, Ecosystem Lead at Alpen Labs and Bitcoin researcher, as he dives into the cutting-edge innovations surrounding Bitcoin. Discover GLOCK, a novel approach to improve BitVM using garbled circuits. Unearth how zero-knowledge proofs can revolutionize Bitcoin's scalability and trust models. David also explores the future of ZK technology, the significance of soft-fork upgrades, and the exciting potential of multilingual execution environments. His insights highlight a dynamic period of innovation within Bitcoin's evolving landscape.
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ZK Proofs Reignite Bitcoin Innovation
- Advances in zero-knowledge proofs rekindled Bitcoin as an innovation hub and enabled off-chain functionality without changing the base layer.
- These cryptographic gains allow expressive, scalable applications while preserving Bitcoin's core security model.
ZK Proofs As Compact Receipts
- Zero-knowledge proofs act like compact, unforgeable digital receipts that prove state without revalidating all history.
- This property attacks the blockchain trilemma by letting nodes accept concise proofs instead of recomputing global state.
Rollups Unlock Programmatic Bitcoin L2s
- Rollups provide unbounded programmability compared with Lightning or ARK, which are limited to narrow use cases like payments.
- Rollups can host EVM or other execution environments to enable complex DeFi and UX on Bitcoin L2s.