When accessing a website that uses an onion service, Tor Browser will show in the URL bar an icon of an onion displaying the state of your connection: secure and using an onion service. An onion address is a string of 56 letters and numbers, followed by '.onion'. Just like any other website, you will need to know the address of an onion service in order to connect to it. onion URL also helps Tor ensure that it is connecting to the right location and that the connection is not being tampered with. The address of an onion service is automatically generated, so the operators do not need to purchase a domain name the.

All traffic between Tor users and onion services is end-to-end encrypted, so you do not need to worry about connecting over HTTPS.Onion services’ location and IP address are hidden, making it difficult for adversaries to censor them or identify their operators.Onion services offer several advantages over ordinary services on the non-private web: Onion services (formerly known as 'hidden services') are services (like websites) that are only accessible through the Tor network.

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