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北美零售商沃尔玛计划开发数字货币，而该数字货币或将与美元进行挂钩。这与Facebook即将推出的“Libra”极为类似，都是通过区块链网络的构建，提供低成本、无边界的价值转移。

美国专利商标局于8月1日公布了名为“区块链数字货币的系统和方法”的文件，沃尔玛概述了计划用于创建方法的稳定币。文件中写到：“通过将一个数字货币单位与普通货币关联，生成一个数字货币单位；将数字货币单位的信息存储到区块链的区块中；数字货币用于购买或支付。”

沃尔玛对拟议的稳定币项目进行了详细说明，该计划可以为客户提供零手续费或较低的手续费来储存财富。这些财富可以轻松兑换，并在选定的合作伙伴或零售商转换并使用。根据文件内容显示，这些账户甚至可以产生利息收入。与美元挂钩可以让存款和取款更加便捷。除此之外，拟议的数字货币也可能与其他加密货币挂钩，而不是法定货币。