Encryption - What is the "cell"?

Hey guys,

can someone explain me this sentence:

“Encryption: Firstly, all connections in TOR use TLS-Link-Encryption, so trackers can´t see for which circuit a cell is determined.”

Which cell does they mean with that?

Glad for help.

Kind regards



the actual sentence is

Encryption: first, all connections in Tor use TLS link encryption, so observers can’t look inside to see which circuit a given cell is intended for.

A cell in Tor is a bit like a packet over the internet. It’s a somewhat self-contained block 500ish bytes long. There are many kinds of cells for many usages, but the one referenced here are mostly the RELAY_ family of cells, which can contain things such as to which website you want the connection to go to, or the content you are exchanging with that destination.

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