fehno.com may provide Users with opportunities to join leaderboard challenges and promotional competitions (“Competitions”) by using special codes or participating in activities outlined on the Website. Entry into these Competitions is entirely optional and subject to these Terms, as well as any specific rules or guidelines published for each Competition. fehno.com retains full discretion to change, pause, or cancel any Competition at any time without prior notice. Any rewards, prizes, or recognitions will be distributed as detailed in the corresponding Competition rules. All determinations regarding eligibility, winners, and prize distribution are final and non-negotiable.