Questions about the control of generative AI are causing concern among policymakers. How to authenticate content in a world where all media can be synthetically generated? 🤔 Blockchain and cryptocurrencies can offer a solution. Blockchain technologies, with their immutable ledgers, look like the best option for verifying the authenticity of photographs. In addition, the crypto industry can offer a convenient solution for validating an online identity. Perhaps in the future, cryptocurrencies could play a role in financial transactions carried out by AI.