4 ms·
If you are wondering about Vaccine QR codes, see this article that explains how the "shc" (SMART Health Card) protocol is used to generate and decode the QR. h
by herodotus 5y ago
If you are wondering about Vaccine QR codes, see this article that explains how the "shc" (SMART Health Card) protocol is used to generate and decode the QR.
https://marcan2020.medium.com/reversing-smart-health-cards-e765157fae9 https://marcan2020.medium.com/reversing-smart-health-cards-e...
- gnabgib 5y agoThis isn't an SHC[0] it's an HC1[1] [0]: https://smarthealth.cards/ https://smarthealth.cards/ [1]: https://www.hc1.com/ https://www.hc1.com/