The blockchain technology empowers secure, trustless, and privacy-preserving trading with cryptocurrencies. However, existing blockchain-based trading platforms only support trading cryptocurrencies with digital assets (e.g., NFTs). Although several payment service providers have started to accept cryptocurrency as a payment method for tangible goods (e.g., Visa, PayPal), customers still need to trust and hand over their private information to centralized E-commerce platforms (e.g., Amazon, eBay). To enable trustless and privacy-preserving trading between cryptocurrencies and real goods, we propose SPENDER, a smart-contract-based platform for Secure and Privacy-PresErviNg Decentralized P2P E-commeRce. The design of our platform enables various advantageous features and brings unlimited future potential. Moreover, our platform provides a complete paradigm for designing real-world Web3 infrastructures on the blockchain, which broadens the application scope and exploits the intrinsic values of cryptocurrencies. The platform has been built and tested on the Terra ecosystem, and we plan to open-source the code later.
翻译：连锁技术赋予了安全、无信任和隐私保护的交易以加密。然而,现有的基于连锁贸易平台只支持数字资产(例如NFTs)的交易加密。虽然一些付款服务提供商已开始接受加密货币作为有形货物(例如Visa、PayPal)的付款方法,但客户仍然需要信任他们的私人信息并将其交给集中的电子商务平台(例如亚马逊、eBay),为了在密码和实体货物之间实现无信任和隐私保护的交易,我们建议Speder,一个基于智能合同的安全与隐私PrespreviNg分散的P2P-CommeRce平台。我们的平台的设计可以提供各种优势特征,并带来无限的未来潜力。此外,我们的平台为设计屏障链上的真实世界网络3基础设施提供了完整的范例,从而扩大了应用范围,并开发了隐蔽的内在价值。这个平台已经建成并测试了地面生态系统的智能和隐私-隐私-P2P-CommeRce,我们计划以后的开源代码。
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