Simple extension to hide sellers from your trade search results, for whatever reason.
After installing the extension you'll find a new button besides "Whisper" which adds the seller to your personal blacklist:
Once the seller has been added to the blacklist, he will not appear in the item search results nor the currency search results.
You can manage the blacklist from the extension icon.
Either removing users one by one, or removing them all:
You can also add users manually, one per line:
Chrome extension: https://chrome.google.com/webstore/detail/poetrade-ignore-list/faapmfhhchgkfinplpkfemkfabngkioc?hl=en-US
PRs and bug reports appreciated.