防疫期间,北京市民马先生喜欢上了网购。他最近收到一箱安徽砀山酥梨后,发现包装上有一个写有“区块链溯源”的二维码,用手机一扫,这箱梨的销售电商名称、正宗原产地位置、产品特色、所属的品质联盟等“身份”信息一目了然,甚至连扫码次数都被清晰地显示出来。马先生说:“看到这么详细、精确的产品信息,我对产品质量更有信心了。”( K8 s. `: n6 a% `0 W. ]3 g2 F& ]9 R, a
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区块链技术在网购上运用,是各地近年来主动创新技术应用场景的一个缩影。根据中国区块链生态联盟发布的《2018-2019年中国区块链发展年度报告》,区块链技术在金融领域应用最为活跃,在跨境支付、资产管理、供应链金融等方面已经形成了一批能够承担实际业务的新产品;在电子存证和公益慈善领域取得了阶段性成果;在医疗服务、政府管理、交通物流等领域开始探索。
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在此背景下,国内多省市近来接连印发区块链发展行动计划。在规划中,建设区块链开放创新平台,促进重点企业“上链”成为各地下一步工作重点。例如,北京市7月初印发的《北京市区块链创新发展行动计划》提出,到2022年率先形成区块链赋能经济社会发展的“北京方案”;贵州省5月初印发的《关于加快区块链技术应用和产业发展的意见》提出,到2022年,将建设3至5个区块链开放创新平台及公共服务平台,引进培育100户以上长大型区块链企业;湖南省在4月底印发的《湖南省区块链产业发展三年行动计划(2020-2022年)》提出,到2022年建成10个以上区块链公共服务平台,推动3万家企业上链;广东广州、江西赣州也提出将培育一批区块链重点企业,并推广典型应用示范场景。
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