My uphold account has been blocked and i don't know why what should I do?

Brave Support will need more info:

[They request] Please adhere to the guidelines to the best of your ability, and use the Template shown in the Reply Editor. [No quotes, in the following links - copy and paste the link into new browser windows:]

Support Templates Reference

How to submit a Bug Report:

https://support.brave.com/hc/en-us/articles/360018228951


The Brave Community webpages use a Categories and Tags - topic organization system - that assist Brave Support and Community members.

Sounds like, for your concerns / issues, you might select:

Brave Rewards > Rewards Support > and maybe another tag.