It creates a hidden service, which is used to rendezvous with your contacts without revealing your location or IP address.
Everything is encrypted end-to-end, so only the intended recipient can decrypt it, and anonymized, so nobody knows where it’s going and where it came from.

• Eliminate metadata. Nobody knows who you are, who you talk to, or what you say.
• Stay anonymous. Share what you want, without sharing your identity and location.
• Nobody in the middle. There are no servers to monitor, censor, or hack.
• Safe by default. Security isn’t secure until it’s automatic and easy to use.

Los Angeles hospital has paid $17,000 (£11,800) to hackers after its computer systems were taken offline by ransomware.
The amount of ransom requested was 40 bitcoins, equivalent to approximately $17,000.
Systems at Hollywood Presbyterian Medical Center had been affected for more than a week.
Staff had been forced to carry out some tasks on paper.