Kraken for sure.

Thinking about it, I don't remember seeing a person who has ever experienced a problem while using ChipMixer.
Since the service has been in existence, we would have already seen many and many people talking about it.
That's 5-6 years now...

And it's a bad approach to have anyway (from an exchange point of view)
Mixed coins could very well be yours, or someone who has paid you. In this case, it would be too easy and we could send mixed coins to well known personalities' addresses

Exemple: sending mixed coins to NGOs in Ukraine and voilà. Ukraine the vilain, Ukraine laundering money, and anything you want.