Why This 2010 Bitcoiner Is Building Physical Cash

Feb 27, 2026

• Cameron Robertson has been trying to make Bitcoin work as bearer assets since 2009, when he first mined on GPUs in his Y Combinator apartment until his roommates complained about the noise
• His Burner card strips hardware wallets down to a single secure element and NFC chip, eliminating firmware updates and supply chain attack vectors while feeling like actual cash
• The goal isn't to reject digital money but to bridge the gap: everyone from age three to 100 understands cash, and Bitcoin won't reach mass adoption until it physically exists in your pocket

Bitcoin's Quantum Safeguards: Hash-Based Solutions Explored

Dec 31, 2025

• Quantum computers threaten Bitcoin's elliptic curve security.
• Hash-based signature schemes offer a conservative, future-proof alternative.
• Optimizing signature size is crucial for scalability in Bitcoin's ecosystem.