And yet you find this as rock solid connection
https://bitcointalk.org/index.php?topic=5219960.msg53689508#msg53689508 Many investments of my relatives are in my hardware wallet
ekhem...
those signatures belong to different wallets.
We have here 2 signed messages from 2/4 addresses connected in one wallet while mhanbostanci claim it is not the same wallet and I have no reason to think that iasenko made this story.