Are there any European p2p instant messengers that don't accept non-EU customers? That patent obviously wouldn't apply and it would be a good move to capture a

Are there any European p2p instant messengers that don't accept non-EU customers? That patent obviously wouldn't apply and it would be a good move to capture a nice market. Edit: There's https://tox.chat https://tox.chat but I have never used it/always forget it exists. Antidote/Antox fas clients for iOS/Android.