And it is valid but yet they say yes we need more proof can you sign msg with ur wallet that u sent the money from in february.
That's not a bad thing, considering the fact that you've shared the signed message online to verify it (instead of using your own wallet), and multiple claims have been made from the same Letter of Guarantee:
different people applied for refunds with the same Letters of Guarantee
Please dont jump to conclusions already, i have
not shared my message online!
I have only spoken with the support @ CryptoMixer.io and that’s all i can say about this matter.
I’m yet to receive an answer from their relevant department............