China Focus: Blockchain technology improves coronavirus response
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<p class="show-p"><img src="https://imedia-peoplesdaily.pdnews.cn/20200217/31738a93b7014d60907bb3bc8842df32.jpg" title="" alt="82411b3c138f47bfb3cd5d9e91cb4de4.jpg"/></p><p class="show-p"><span style="color: rgb(165, 165, 165);">File photo: CGTN</span></p><p>BEIJING, Feb. 17 (Xinhua) - It's a classic contradiction of public versus personal interests: how can authorities slow the spread of coronavirus while protecting patient privacy?</p><p>How can you cut the transmission chain while protecting personal information?</p><p>How do you maintain transparency from the loading of donated supplies to the final use by people who need them most?</p><p>Blockchain technology - using encrypted data and records to track transactions - has been helping Chinese government and medical agencies in the battle against the novel coronavirus without compromising privacy.</p><p>From Feb. 1 to 14, at least 20 applications based on blockchain were launched to tackle the emerging challenges.</p><p>Personal information management is a major area of blockchain application. As more people return to work this month, apps and platforms based on ID information are being launched.</p><p>In Xi'an, northwest China's Shaanxi Province, a system for online consultation and screening was launched on Feb. 1. The blockchain system securely manages health records, ensuring interoperability without compromising security and patient privacy.</p><p>In Hangzhou, Zhejiang Province, Vastchain Technology introduced Access Pass, a mini program on WeChat that can generate QR codes to enable residents to enter gated communities.</p><p>According to the company, all personal information collected is encrypted and stored in blockchain-based cloud servers. Even the company cannot retrieve the original data and it will eliminate all the data publicly after the epidemic is over.</p><p>With the spread of the novel coronavirus, the management, allocation and donation of relief supplies have been a challenge. Payment platform Alipay launched an information platform on its mobile app to enable collaboration with transparency and efficiency.</p><p>Led by the Zhejiang Provincial Health Commission and the Economy and Information Technology Department, the blockchain-based platform enables the review, recording and tracking of demand, supplies and logistics of epidemic prevention materials.</p><p>Supplies involve multiple parties from donors and recipients to delivery and warehousing. Alipay said the entire process of record and verification by each party is tamper-proof, enabling anyone to track the process.</p><p>Blockchain technology was also applied in the official daily updates about the epidemic in Jinan, Shandong Province.</p><p>Local authorities say blockchain makes information on the platform tamper-proof and traceable. It achieves precise collection of epidemic data and dispels rumors, helping citizens to cope with the epidemic in a positive and reasonable way.</p>