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Nope, check their website or each of the exchanges on Twitter.

Don't spam, I answered your other comment...

Why would I spam first of all? Am I getting $100? Have a look at my reputation score, spamming doesn't take you there. Might be due to some network issue or I have mistaken to click on the post button twice. Yes, the mistake is from my end and that doesn't mean I am a spammer. It is really not wise of you to comment such thing without knowing the facts.

"Spam" is when more than one message is sent, and it doesn't have to be intentional or make any money.

I was providing you with value, both to indicate that I had already provided you with value on your other comment, and to indicate that you had posted twice.

It's entirely up to you how you decide to take it.