区块链介绍
Introduction to Block Chains
基于区块链比特币
Bitcoin based on block chains
区块链与慈善
Block chains and philanthropy
冷链助力疫情防控
Cold-chain helper disease prevention and control.
DCEP中国发行的数字货币
Digital currency issued by DCEP China
IBM Fabric联盟链技术
IBM Fabric Union Chain Technology
一种去中心化的数据存储解决方案，有可不篡改，可溯源的特性。比特币、以太坊、和我国2020年发行的DCEP都是基于区块链原理上层应用
区块链的去中心化，不可篡改和可溯源与与慈善行业的需求场景高度吻合，阳光链成为了区块链技术在慈善行业的典型应用
2020年11月1日起，北京市进口冷链食品生产经营单位均需在“北京冷链”中如实上传进口冷藏冷冻肉类、水产品来源、流向等追溯数据，落实电子追溯码赋码、贴码等
As of 1 November 2020, all import cold-chain food production units in the city of Beijing will be required to physically upload back-to-back data on imports of frozen meat, sources of water products, flows, etc., in the “Beijing cold chain”, and to implement electronic retroactive codes, stickers, etc.
“北京冷链”实行“首站赋码”管理，即从京外采购进口冷藏冷冻肉类、水产品并运入北京的本市进口冷链食品生产经营单位作为首站，在“北京冷链”中上传相关产品品种、规格、批次、产地、检验检疫等追溯数据，并使用“北京冷链”按批次为相关产品进行电子追溯码赋码。如产品包装上已有符合GS1编码和追溯标准的追溯码，则无需另行赋码。实现“一码到底”。进口冷藏冷冻肉类、水产品在京销售、流转的各个环节，北京市进口冷链食品生产经营单位均可通过扫码方式便捷上传产品收发货等数据
The “Beijing Cold Chain” is managed by the “first stop code” for importing frozen meat, water products and imports of cold-chain food production units into Beijing from abroad. The “Beijing Cold Chain” is used as the starting point for uploading retrospective data on product varieties, specifications, batches, provenances, quarantines, etc., in the “Beijing Cold Chain”, and the “Beijing Cold Chain” is used as a batch-by-package electronic trace code for the products concerned. If there is a retroactive code on the packaging of products that meets the GS1 code and retroactive criteria, no additional code is required.
“北京冷链”通过实施“首站赋码、进出扫码、一码到底、扫码查询”的管理模式，对进口冷藏冷冻肉类、水产品在京流通开展追溯管理，力求做到“来源可追，去向可查”。为精准防控再添助力。对未上传追溯数据的相关产品，本市进口冷链食品生产经营单位应做到不采购、不销售、不使用。
The “Beijing Cold Chain” seeks to be “traceable and detectable” by implementing the management model of “first stop code, access code, one-size-fits-all, clean-up search” for imported frozen meat and water products in Kyoto. It provides additional support for precision control. For products related to which no retroactive data have been uploaded, the city's cold-chain food production units should be non-purchasing, non-marketing and non-use.
食品经营单位在面向消费者进行销售时，应在进口冷藏冷冻肉类、水产品包装或货柜明显处加贴“北京冷链”电子追溯码。广大消费者在购买进口冷藏冷冻肉类、水产品时，可通过微信、支付宝中的“北京冷链”小程序扫描产品包装或销售货柜上的电子追溯码，更加便捷地查询所购食品的质量安全和产品追溯信息。
When selling to consumers, food operators should attach the “Beijing Cold Chain” to their imported frozen meats, water products packagings, or containers.
据悉，“北京冷链”目前已上线运行并提供多种登录方式，可直接使用电脑访问网页地址（“北京冷链”网址为https://sp.scjgj.beijing.gov.cn/cctp/login），也可在微信、支付宝中搜索“北京冷链”小程序进行手机端操作。进口冷链食品生产经营单位在进行用户注册时，可下载用户操作手册、使用教学视频等资料。
The “Beijing Cold Chain” is known to operate online and to provide access to a variety of ways to access the web site (the “Beijing Cold Chain” web site at https://sp.scjgj.beijing.gov.cn/cctp/login) directly, as well as to search for the “Beijing Cold Chain” small program in micro-mails, payment treasures for cellular end-to-end operations.
全称是Digital Currency Electronic Payment，DC指的是数字货币，EP指的电子支付。早在2014年，央行便开始着手DC/EP的研究。今年2020年已在深圳、苏州、雄安、成都试点。从性质上看，DCEP，属于法定货币，是数字化的纸币，和人民币金额是1:1的关系，没有投资和投机价值。
既然是数字化的纸币，那纸币有什么用，DC/EP同样用途——消费。可以在哪里使用？目前只能在试点商户内使用，具体由试点城市自行决定。传闻，雄安新区的试点商户主要集中在餐饮业、零售业。怎么才能获得DC/EP？下载商业银行的数字钱包，用银行卡的钱兑换相应金额的DC/EP，便可以消费使用了。
Since it is a digital paper currency, what use is it for? Where can it be used? It can only be used in pilot businesses, specifically in pilot cities. Rumor has it that the pilot businesses in Yu-An-Xin are concentrated in catering and retail. How can we get DC/EP? Downloading the commercial bank's digital wallet and using the bank card to exchange the corresponding amount for DC/EP, which can be used for consumption.
另一种情况是由机构直接将DC/EP发放至数字钱包。传闻，苏州部分机关及事业单位将以DC/EP形式发放部分的工资及交通补贴。目前DC/EP属于内测阶段，只对白名单用户开放，其他人也就看个热闹。（深圳已经开始发红包，各地也开始有小规模试点）
In another case, the agency issues DC/EP directly to digital wallets. There are rumours that some agencies and establishments in Suzhou will pay some of their wages and transport subsidies in the form of DC/EP. DC/EP is currently an internal control phase, open only to white list users, while others are watching.
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