First of all you need to uninstall both CleanMyMac and Avast anti-virus (Avast seems to already be partially removed) by following the developers' instructions. Even then, these apps are not always completely removed (probably occurred with Avast). Anti-virus apps, cleaning/optimizer apps, and third party security software are not needed on a Mac and usually causes more problems than they solve because they interfere with the normal operation of macOS. Plus many of these apps will collect & sell your personal information and some even have severe vulnerabilities which actually weaken the security of your Mac.
macOS already has great built-in security especially when users also do their part by following safe computing practices as outlined in this excellent article:
Effective defenses against malware and other threats - Apple Community
I would also advise uninstalling the NordVPN software as well since VPNs like this do not protect you like they advertise. The only useful VPN is when you are connecting to an employer's Firewall/VPN server to access the employer's internal network (provides security & privacy), or to avoid regional restrictions (the latter you do give up security & privacy to achieve a different goal):
https://gist.github.com/joepie91/5a9909939e6ce7d09e29
All of these types of apps are preying on people's fears.
The "ProxiedDevice-Bridge" crashes are worrisome because they are related to the T2 security chip. It is hard to say whether the previously mentioned software issues could be contributing to these T2 chip crashes or not. If not, then it most likely indicates a hardware issue with the Logic Board.