It's hard to choose the third one, as both onekey and keystone do not passed the open source testing of WalletScrutiny. Is there any problem with the open source nature of OneKey at present? Can I trust that it is completely open source?
I haven't done any research or read their explanations (if they gave any) why WalletScrutiny wasn't able to verify the binaries. Looking at if from far away, it's not a good sign if you call yourself open-source but those claims can't be verified.
Now keystone passed the open source testing of WalletScrutiny, but onekey still not. (see