http://forums.dds6qkxpwdeubwucdiaord2xgbbeyds25rbsgr73tbfpqpt4a6vjwsyd.onion/t/update-wiki-chat/12732
OTR versus OMEMO Development OTR is based on OpenPGP while OMEMO is “homemade from scratch”
OTR is mainly for 1 to 1 chat while OMEMO mainly for group chat, the problem with group chat is key distribution and verifying is a lot less secure by nature than 1 to 1.