The contract has both an internal _mint and external mint function. But only internal _burn without it's external counterpart.
Cannot call proper external function to burn your tokens.
Users not being able to burn tokens.
Manual review
Add the counterpart function in the same manner as done with mint
The contest is live. Earn rewards by submitting a finding.
This is your time to appeal against judgements on your submissions.
Appeals are being carefully reviewed by our judges.