Crunchfish makes Digital Cash quantum safe
Crunchfish has applied for a patent that makes Digital Cash resistant to attacks by classical and quantum computers, keeping payment information secure even after large-scale quantum computers has been built. The present invention offers a new paradigm for offline payments that addresses the challenges which can be expected in the era of quantum computing. The advent of large-scale quantum computing offers great promise to science and society, but brings with it a significant threat to our global information infrastructure. Public-key Infrastructure, widely used on the internet