Recent problems with certificate authorities have exposed major problems with the trustworthiness of Web browser security. Rather than simply trusting a signed SSL certificate, Convergence, a free Firefox extension, checks with several trusted certificate sites, or notaries. If all of the notaries agree that the certificate is accurate, Convergence gives the go-ahead to use the site.
Advanced options settings let users define caching, whether they would anonymously communicate with notaries and what the threshold to verify a certificate is (such as notary consensus, majority or verification from just one notary).
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