Bitcoin Developer Eric Wall Critiques BitVM Paper
Bitcoin developer Eric Wall has expressed his thoughts on the recent BitVM research paper, calling it both “mindblowing” and a “technological dead end” for Bitcoin smart contracts. The BitVM paper proposes a method for executing complex computations and smart contracts on Bitcoin without modifying its consensus rules. It uses a prover-verifier model, where the prover makes a claim about the result of an off-chain computation, and the verifier can check its validity on-chain.
Wall acknowledges the impressive idea of Bitcoin being able to perform general-purpose computation without any modifications, but he believes that BitVM will face significant challenges. He argues that the overhead will be massive and it will take years to implement even a small use case. He also suggests that BitVM may distract developers from real development. Other experts, like Adam Back, have raised similar concerns about BitVM.
Hot Take: A Complex Proposal with Limited Potential
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While the concept behind BitVM is intriguing, it appears that the proposal may be too complex and impractical to offer meaningful smart contract capabilities for Bitcoin in the near future. The idea of executing arbitrary logic on Bitcoin without changes is impressive, but the challenges and potential delays associated with implementing BitVM may outweigh its benefits. Critics argue that BitVM is essentially an extension of existing work in zero-knowledge proofs and two-party computation. As such, it remains to be seen if BitVM will gain traction or if alternative solutions will prove more viable for enabling smart contracts on the Bitcoin network.
