exrates.me does not appear to exist anymore.
It would seem so. A perfectly execute exit scam. According to Trustpilot, you are not the only victim.
if you say fraud you must provide evidence because after all saying fraud must be accompanied by clear evidence, people will understand and believe more if you provide evidence such as screenshots etc.
What other proof do you need when the website is already offline?
Red the Trustpilot reviews and see how many people are complaining about getting scammed -
https://ie.trustpilot.com/review/exrates.me