Buenos Aires to issue blockchain-based digital ID The first documents to be available on-chain in Buenos Aires include birth and marriage certificates, along with proof of income and academic verification. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ September 28, 2023 6:07 pm