人们可以利用安全数字时间戳来证明在某一给定的时间之前某一数字文档是否被创建或者签名。
We can certify whether a document was created or signed before a given time with a digital time stamp.
提出了ECC盲签名算法，并应用到安全数字时间戳服务中，从而解决了安全数字时间戳服务中时间戳的伪造问题。
An algorithm on ECC blind signature time-stamping is proposed. The algorithm, which is applied in the field of secure digital time-stamping service, solves time-stamping forge problem.
日志文件中的每个条目都占一行，由13位数字组成的时间戳开头，并包含逗号分隔的数据。
Each entry in the log file is a single line that begins with a 13-digit time stamp and contains comma-separated data.
引入这种新的时间戳方案的数字水印具有更强的实用性。
The new time stamp scheme makes the digital watermarking more applicable.
加有时间戳或数字签名的PDF文件。
PDF files to which a time-stamp or a digital signature is applied.
针对数字水印方案中时间戳协议存在的弊端，结合位承诺协议对其进行改进。
This paper analyzes the shortcomings in the existing time stamp scheme and makes some improvement combined with bit commitment.
该协议引入数字证书，将数字签名、时间戳和水印信息一起嵌入到数字图像中。
The new protocol imports certificate, and embeds signature, timestamp, watermarking information into digital image.
比特币也使用广为人知的“对等分布式时间戳服务器”来验证数字硬币没有“双重使用”——换句话说就是伪造。
Bitcoin also USES a widely-published "peer-to-peer distributed timestamp server" to verify that the digital COINS have not been "double spent" -in other words, counterfeited.
比特币也使用广为人知的“对等分布式时间戳服务器”来验证数字硬币没有“双重使用”——换句话说就是伪造。
Bitcoin also USES a widely-published "peer-to-peer distributed timestamp server" to verify that the digital COINS have not been "double spent" -in other words, counterfeited.
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