Since users control their private key, there is always the risk that it could be compromised.

因为用户控制自己的私钥，所以私钥有可能被窃取。

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Gringas is one of thousands who swear by the new technology that reportedly lets users control and create dreams.

据报道，Gringas是坚信控制和创造梦想这项新技术的千百名用户之一。

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Identity parade: a concept browser designed by Mozilla would let users control a single identity for logging in to different websites.

Identity parade： Mozilla设计的一款概念浏览器，允许用户通过惟一的用户标识登录不同网站。

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But sites generally have a way for users to also send private messages and to control access to their pages.

VOA: special.2009.09.14

The website users regained about five point two kilos - overall,not much better than the control group, which had no structured weight maintenance program.

VOA: standard.2010.07.30

Video quality control which gives users control over video quality, allowing them to further control their bandwidth consumption.

ENGADGET: TMN Go launches on iOS and the web, brings HBO Go-style experience to Canadians

Unfortunately, Facebook still refuses to give its users control over the data it collects for its targeted advertising products.

FORBES: Facebook's Changes Haven't Satisfied Privacy Critics

The irony, Kirkpatrick noted, is that Facebook was the first Internet company that offered privacy protection, by letting users control who saw their information.

FORBES: Facebook Insiders Ponder Its Future