World Network, linked to Worldcoin, is exploring a partnership with Visa to integrate card features into its self-custody crypto wallet. This collaboration aims to enable Visa card functionality, allowing users to access fiat on- and off-ramps, stablecoin payments, and foreign exchange options.Tools for Humanity, which oversees World Network and Worldcoin, is seeking product proposals from card issuers and is in discussions with crypto card providers like Rain. The goal is to create a versatile financial tool that enables users to manage and trade various assets, akin to a traditional bank account.