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加拿大政府联合世界经济论坛开始测试国际区块链ID系统
source link: http://www.8btc.com/canada-to-test-international-blockchain-based-id-system?amp%3Butm_medium=referral
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加拿大政府联合世界经济论坛开始测试国际区块链ID系统
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