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prof7bit/TorChat: Decentralized anonymous instant ... - GitHub

: Because it stayed within the Tor network, even observers couldn't see who was talking to whom. Understanding the Address: ie7h37c4qmu5ccza

Unlike WhatsApp or Signal, TorChat doesn't use central servers. Every user is a hidden service on the Tor network. Your "username" is a unique .onion address (like ie7h37c4qmu5ccza ), meaning:

The alphanumeric string is a classic Tor v2 onion address. In the original Torchat protocol, these addresses served as both the user's "phone number" and their cryptographic key.

The 16-character alphanumeric string represents a TorChat ID .