In view of the disadvantages of the existing logistics system in the market in user privacy protection. a privacy protection scheme based on QR code segmentation encryption. hierarchical authorization and time-limited control was proposed. This scheme segments all the recipient information into RSA and Base64 encryption. https://www.ealisboa.com/special-offer-Refurbished-Nautilus-XPLOAD-Plate-Loaded-Lat-Pulldown-hot-buy/