No, if it is a certificate issued by a nationally recognized jewelry appraisal institution, its QR code will generally be scanned. Therefore, the QR code on the certificate cannot be recognized, which does not mean that the certificate is fake. Jade bracelet is a kind of jade ornament. The processing technology is quite special, and the jade bracelet craftsmen of past dynasties all regard their own bracelet processing technology as an ace in the hole, which makes this technology quite closed.