Let's talk about blind signing.
Blind signing means signing even when you can only see a string of hash or hexadecimal data and can't understand what it actually contains.
One thing many people overlook: blind signing means handing all the verification over to the website initiating the request. If something goes wrong with the site, there's no way to spot it when confirming the transaction.
If your wallet's transaction preview shows that your assets will be transferred, but that's not what you intended, cancel it immediately.
And while we're at it, a quick glance: $ETH is at 1780.79, 24h -6.24%.