Facebook Ad Library transparency is actually a required feature that can't be hidden - it's part of Facebook's advertising transparency policies. All active and inactive ads are publicly viewable through ads.facebook.com. However, you can optimize your competitive advantage differently: focus on creative testing speed in Ads Manager → duplicate winning ads with variations faster than competitors can copy. Use dynamic creative testing to stay ahead. Instead of hiding ads, make them work harder - use compelling hooks that are hard to replicate, test multiple angles simultaneously, and refresh creatives frequently before competitors catch on. The key is execution speed and creative quality rather than secrecy.
What specific concerns do you have about ad visibility, and are you looking to protect certain creative strategies from competitors?