What are your guys' experiences with bitcoinpenguin?
Never heard about it and would never try it doesn't have an ANN here on the forum. BTW, why would you ask such a random question without providing details about this website. In general everyone who is genuinely looking for answers would provide specific details. You haven't provide any information related to it and you want us to write about our experience.
Mate , If you happen to missed the date? this post was being asked back in 2017 in which 5 years ago .
and I believe this site had been running even before this thread was created .
and also there are several thread about this though I cannot find a direct link to their ANN Thread.
https://bitcointalk.org/index.php?topic=1551199.0https://bitcointalk.org/index.php?topic=1704237.0maybe try visiting those links to have proper knowledge about this site.