11.21 btc sent on May 22 still doesn't come back
I think smartmixer.io is a scam.
I don't want others to feel like me.
It is wise not to use smartmixer.io.
I find it crazy to spend ~$100k to someone when there are several red flags that can be found easily using a search engine. I'm so puzzled that I even wonder if it's true

Sorry for you but it's a good reminder to make due diligence before using a mixer (even if we already used it, many services come and go)
Just some examples:
https://bitcointalk.org/index.php?topic=5227899.0https://bitcointalk.org/index.php?topic=5227498