If you're interested about this topic, I recommend the following readings previously posted on HN and drawing your own conclusions. They are listed in no particular order: [1][2][3][4]
[1] https://news.ycombinator.com/item?id=12148728
[2] https://news.ycombinator.com/item?id=12361410
[3] https://hn.algolia.com/?query=%22wire%20does%20not%20use%22%...
[4] (long but enlightening read) https://news.ycombinator.com/item?id=11725602
I would be interested to know exactly what it is about Wire that OWS doesn't seem to approve of
Re:How the Textsecure Protocol Works
by eatbitseveryday on Sunday October 16, 2016 @01:19AM
(#12717101)
> Wire does not use Signal Protocol, they used some of our code to create a protocol of their own devising that we do not recommend.
4 days ago, no follow-ups to questions for details.
They claim they use the Axolotl double ratchet, though Moxie/OWS claims Wire uses a variation of the protocol they don't recommend.