Once Bitten! A Bitcoin Podcast. Follow The Patents! Uncovering the Nchain/BSV Frauds. Dvaid Pearce. #590
Jan 30, 2026
David Pearce, a UK-qualified patent attorney known as TuftyTheCat, explains uncovering fraudulent patent filings tied to Craig Wright. He recounts spotting NChain's filing patterns, finding legal errors that led to revocations, and crowdfunding oppositions. The conversation covers patent law vs open source and the broader implications for Bitcoin-related claims.
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Solving A Book Hidden Seed Phrase
- David Pearce found and used a hidden 24-word seed phrase from Avi's book after collaborating with a specialist who computed the correct word order.
- They split the recovered Bitcoin reward, which amounted to over 10 million sats, and Pearce described being "gobsmacked" when the transaction confirmed.
From Researcher To Patent Attorney
- David Pearce transitioned from piezoelectric research to becoming a patent attorney after inventing a coil actuator used in mobile phone cameras.
- He described qualifying in 2009 and working on drafting and prosecuting patents and oppositions across the UK and EPO.
One Filing Can Become Many International Patents
- A single UK filing can expand into multiple international patent applications, multiplying cost and scope across jurisdictions.
- Nchain filed hundreds of priority filings that ballooned into many European, US, Japanese, and Chinese applications owned by Nchain.
