The History and Future of Physical Bitcoin

The article examines the ongoing challenge of creating a physical form for Bitcoin, which is natively digital. It tracks the evolution from iconic, trust-based projects like Casascius coins to decentralized experiments like RavenBit and the creation of purpose-built bearer assets such as the Opendime. The author discusses the technical and economic hurdles of achieving cash-like usability, including production costs, chip durability, and the necessity of secure hardware. Ultimately, it highlights that while a perfect 'physical banknote' remains elusive, modern hardware wallet solutions like the Tapsigner are effectively bridging the gap between secure storage and everyday payment utility.

(Source：Bitcoin Magazine)