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数字签名 I 加密 I 安全存储
只需用智能手机拍照或拖放文档或 .pdf 文件，即可将其上传到 SignOnChain。
无纸化和安全的电子签名适用于专业和私人用途。
现在，您只需点击一下 “签名 “按钮，就能轻松使用数字签名签署文件。
输入您共同签署人的电子邮件，他们也会收到一封带有链接的电子邮件，以便签署文件。
各方签署文件后，将立即向所有各方发送一封电子邮件，并附上已签署文件的副本。
SignOnChain.id 可用作安全文件存储。 您上传的所有文件都经过加密，并以哈希值存储和保护在公共区块链中。 这意味着不可能更改文件的内容，而且文件的创建和最终签名都有一个带有时间戳的不可更改的审计日志。
安全存储和管理您的所有文件，时间段可任意选择：1 周、3 个月、5 年 …. 一切都取决于你。
按签名付费
这是您所需要的唯一一款签名工具。
