This weekend, a notice appeared on warning users that version 2.90 of the popular Mac Bit Torrent client downloaded from their site may have been infected with malware.The warning reads: Everyone running 2.90 on OS X should immediately upgrade to 2.91 or delete their copy of 2.90, as they may have downloaded a malware-infected file.
Therefore, multiple devices can share the synchronization load, in a similar way to the torrent protocol.
When you enter a URL and hit enter, your computer reaches out to a server someplace in the world to access a website.
Sometimes a site is stored on a few servers for redundancy or load balancing, but the model is functionally the same.
Syncthing uses an open and documented protocol, and likewise the security mechanisms in use are well defined and visible in the source code.
Resilio Sync uses an undocumented, closed protocol with unknown security properties.