Not really sure where to post this but I figured it fits here, I came across a thread here (I believe it was in the Altcoin Bounties section) but it claimed to give 0.001 btc with a chance to win up to 0.25 for messaging the telegram bot. It said I had won the 0.25 btc prize and it gave me a code to deposit on this site (bilario.com)
The site showed me as having the 0.25btc in my account but of course I can't withdraw the funds without first depositing 0.03btc... the site is less than a month old despite them claiming to have been around since 2017, and they also have a chat messaging system on the front page that also seems to be fake, none of them would even respond to me it looks like they just programmed bots to argue about coin prices.
Now I would never risk $300 on a site I have never heard of, and after a quick Google search it appears no one else has ever heard of this phony exchange either. Really hope no one falls for this one, you should add it to this list here. Here is the original post:
https://bitcointalk.org/index.php?topic=5276771.0