MATTR GO Hold vs Developer Laboratory

MATTR GO Hold is a versatile tool designed to work with the MATTR VII platform and other digital trust service providers. It enables users to securely collect, store, and present verifiable digital credentials. Built using the MATTR Pi Wallet Toolkit, this app showcases all of the capabilities offered by MATTR’s digital wallet infrastructure, providing users with a practical demonstration of how digital credentials can be managed and shared. Key Features * Credential collection and presentation: Users can collect credentials from issuers and present them to verifiers via QR codes or deeplinks. * Biometric authentication: Access the wallet using facial recognition or fingerprint for enhanced security. * Selective disclosure: Share only relevant information with verifiers, preserving privacy during interactions. * Interoperability and flexibility: The wallet supports various credential profiles, including Mobile (mDLs and any other mdocs deratives), Compact (COSE based) and Web (JSON-LD). * Multi-protocol support: The wallet supports OpenID4VCI and VP Request protocols for credential issuance and presentation. * Notifications: Enable push notifications for real-time updates, such as new credential availability or verification requests. * Custom-branded credentials: Issuers can customize the appearance of credentials with logos, colors, and watermarks for brand consistency. Functionality * Scan, tap, or click to present credentials: Quickly share credentials with a QR code or deeplink, simplifying the verification process. * High-assurance authentication: Use cryptographic methods to ensure the security and integrity of verifiable presentations. * Activity log: Keep track of all credential interactions with issuers and verifiers through a dedicated activity tab. * Trusted interactions: The app validates issuers and verifiers, displaying a verification tick for confirmed sources. MATTR GO Hold is ideal for organizations looking to explore MATTR’s credential lifecycle capabilities and see firsthand how verifiable credentials can be managed securely within a privacy-preserving environment

iOS Technical Sharing (APP icon creation, imitation of WeChat Moments, imitation of WeChat image viewer, preventing @mentions on Sina Weibo, imitation of Alipay password prompt, imitation of Post Circle, tags, JS interaction + WK, loading web pages, adaptive cell height, embedding video player in TableView to prevent lag, custom beautiful popups, address selection, time selection, color selection, custom navigation control, carousel, QR code scanning, facial tracking, custom camera, ID card photo capture, iOS media player, AVPlayer encapsulation, dropdown selection popup, Snake game, marquee, adaptive height for TableView, native image download caching, folder operations, database operations, third-party login, sharing, payment, Apple installation agreement, data transfer between apps, acknowledgments for support) https://github.com/HansenCCC/YPLaboratory YPLaboratory is the source code for this project. If you want to see how it's implemented, you can click to view the source code. https://github.com/HansenCCC/YPUIKit-ObjC YPUIKit-ObjC is the framework for this project, providing many out-of-the-box functionalities. It includes in-app purchases, subscriptions, prompt dialogs, app info, user agent retrieval, device info, unique identifiers (persistent even after deletion), badges, useful buttons, common categories, MD5, hooks, regular expressions, hashed colors, image matrices, black-and-white images, base64 images, navigation settings, handy input fields, file management, floating draggable buttons, single-line input, multi-line input, loading dialogs, custom dialogs, local logs, marquee, waterfall flow, carousel, image preview, and more.