Some crypto advocates have long promoted crypto as a proper digital equivalent to cash. Physical dollars have a lot of benefits, including that you don’t need a bank account to use them and they provide a lot of privacy. Although bank transfers and apps like Venmo offer digital ways to transfer money, they typically require a bank account to use, and they leave a digital record of the transaction. Crypto advocates have long promised that crypto is a proper digital equivalent to cash, despite its own accessibility and privacy concerns.Anyway, a project called Offline Cash has sprung up. In a stunning example of Poe’s Law, the project seeks to provide a physical form of that digital physical cash people have spent so much time working on.Hear me out: imagine you had paper notes that you could transfer to people in lieu of making a Bitcoin transaction! And unlike regular cash, it has an expiration date to keep track of!