币界网报道:According to the news from Bijie.com, on June 21, the first day of the Digital Shield exhibition, the atmosphere was lively. The DS overseas manager demonstrated the cold signature interaction through scanning QR code and Air Gap at the booth, which attracted widespread attention. The audience experienced its EAL6+ cold wallet signature process and NFT asset display module. The military-grade security chip equipped with Digital Shield can achieve offline isolation of private keys throughout the process, maximizing the security of user assets, attracting many users to submit their intention to purchase the machine on site, and actively participate in NFT airdrops and lottery activities.