Скачать или смотреть UPYO | Identity SaaS Platform for Educational Credentials | Video demo

UPYO ID meets W3C standards to issue fraud-proof documents that can be verified for authenticity in seconds.

Visit: https://www.upyo.com/en/id
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Polygon ID is a set of tools for developers that can be used to facilitate trusted and secure relationships between apps and users. Developers can use Polygon ID to enable the exchange of verifiable credentials secured by cryptography and the blockchain. Polygon ID is designed for developers with a strong focus on privacy, decentralization and user data self-sovereignty.

PolygonID official channels:
Website: https://polygonid.com/
Twitter:   / 0xpolygonid  
Developer hub: https://devs.polygonid.com/
LinkedIn:   / polygon-id  
Subscribe to our channel:    / @polygonid