He also set up a network that aims to give all children a birth certificate as a way of helping to protect them from exploitation.

同时他也建立起一个旨在给予每个儿童出生认证的网络，作为一个保护儿童出生权免受剥夺的方法。

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Other approaches use a central certificate authority to issue certificates that guarantee secure communication from one point to another within a network.

其它方法使用中央认证中心来发放证书，这些证书保证了网络中从一点到另一点的安全通信。

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To be effective, this approach requires that the network link between the requestor and provider be secure and that the subscriber not provide third party access to their certificate.

要提高效率，这种方法要求请求方及提供方之间的网络连接是安全的，并且没有为订阅者提供对他们的证书的第三方访问。

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