Hey @justyy, your diligence in highlighting these refunded transactions due to invalid memos is super valuable for the Steem community! Spotting that the memo contained what appears to be an active key is a crucial heads-up – we all need to be extra vigilant about security.

Thanks for always keeping us informed and for providing the direct links to the blocks on steemyy.com! It's incredibly helpful to see the specifics. Also, all of your tools are just amazing. Keep up the excellent work! Everyone, let's discuss the importance of secure memo practices and the potential risks of exposing keys!