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    人类社会的发展离不开各种交易，从原始的物物交换到货币的产生，直至现代先进的货币制度，都为交易提供各种便利。
    众所周知，传统的网络交易支付，依赖于中心化平台和清算中心，第三方中心化交易机构存在被盗、滥用职权、欺诈等风险。从2014年的Mt.Gox、Poloniex、比特儿等被盗事件到今年的Coincheck、币安被盗，此类事件从未停止。无论他们的规模多么庞大，有多少监管和安全措施。
    交换链致力于点对点智能经济交换体系，结合区块链技术与实体经济，为用户搭建稳定可靠的去中心化电子金融体系。去中心化的交易体系将资产融入智能合约，为交易提供足够的保障。只有全网的确认，才能解冻资产，完成交易，从而杜绝第三方托管的风险。
    现有的区块链技术很少实现规模化的落地应用。纵观虚拟币始祖比特币到热门的以太坊，目前都没有能为实体经济提供良好的支持，大多数区块链项目还在概念这一阶段。交换链将不局限于数字资产领域的交换，也能为线下实物交易提供保障。交换链项目的目的是真正实现为数字资产交换到线下实物交换提供良好支持，实现全球首款去中心化实物资产与数字资产的交换。
    交换链的价值源于资产的有效交换和传递，交易合约具有扩展性，高效和灵活性。交换链团队致力于突破传统的交易禁锢，形成独特的数字化生态交换体系，打造透明高效的合约制度并使产品得到广泛应用。

    The development of human society is connected with various trading and transactions,from the primitive barter to the emergence of currency, to the modern advanced monetary system, all of which facilitate the transaction.

    As we all know, the traditional network transaction payment relies on the central platform and clearing center. The third party central trading agency has the risk of theft, abuse of power, fraud and so on. From the thefts of Mt. Gox, Poloniex, biter in 2014, to theft of Coincheck, binance this year, the coins thefts have never been stopped.  Even a large company with strict supervision and safety system is unable to avoid this even.

    Exchange chain is dedicated to the point to point intelligent economic exchange system, combining block chain technology with real economy, to build a stable and reliable decentralization electronic financial system for users. The decentralized trading system integrates assets with smart contracts so as to provides adequate protection for trading. Only when the whole network confirms, the system can unfreeze assets and complete the transaction, thereby we can avoid the risk of third-party custody.
    The existing block-chain technology rarely realizes the large-scale landing application. Neither bitcoin the ancestor of virtual coin or the popular Ethernet Square cann’t support the real economy.  Most block-chain projects are still in the conceptual stage. The exchange chain will not only be limited to the exchange of digital assets, but also provide protection for offline physical transactions. The project of exchange chain is to provide good support for the exchange of digital assets to offline physical assets, and to realize the first decentralization of physical and digital assets exchange in the world.

    The value of the exchange chain originates from the effective exchange and transfer of assets. And the transaction contract is extensible, efficient and flexible. The exchange chain team is committed to breaking through the traditional trading constraints, forming a unique digital ecological exchange system, creating transparent and efficient contract systems and pushing the widely use of the exchange chain.