Hey @mauerpark, you just published your PRIVATE MEMO KEY to the blockchain.
Attackers can use this key to authenticate with websites like minnowbooster or smartsteem.
You should change your password as soon as possible. https://steemit.com/@mauerpark/password
If you have further questions, like where exactly you published your key, don't hesitate to ask. Though it might take some time till I answer.
@lostkey self votes are being countered by @sadkitten for 1 week starting Thursday, July 19th 2018 because they are one of the highest self voters of the previous week. For more details see this post.