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Therefore my best advice is to login with tor and tick on always logged in this will keep you logged in and prevent you facing future captcha issues. On the other hand while surfing the forum make sure you have strong internet and avoid hitting the button to view all the replies on a thread as that will cause a whole lot of cloudfare issues.
I have been using Chrome from the start but with VPN, and it works fine on Chrome because your ID stays active on Chrome and it does not logout, but on Tor, once you shut it down, your ID logout and you have to log in again and there you have to face the captcha problem but you have the option to ask Tor to remember the IDs but I don't think many use that feature due to the privacy issue.
I faced this issue a few times because I rarely use TOR and whenever I face this issue I delete the Tor or delete the data and cache (I am talking about the mobile version) and then I use it. BTW there is another way not quite equal to what Tor is providing but we can use Brave browser with Duck Duck Go essential extension on. I think Brave is also a good browser but their token and KYC-related issues have caused them great defamation so if you don't want to use Brave then Firefox is a good one don't forget to use the Duck Duck Go essential extension. Overall nothing can beat Tor. But I do agree with AB de Royse777 because this Cloudflare issue needs to be solved as a forum.