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This way they can verify you live in an approved area.
Due to regulatory restrictions, this program is closed to:

Residents of the U.S. states of New York, Georgia, New Hampshire, and Connecticut.
Residents of Iran, Cuba, North Korea, and other countries subject to sanctions by the United States.

Very good comment @wthomas, following you in order to stay in touch. Success.

Thanks Charles. I'll do the same as well. Cheers

Welcome bro, we will certainly stay in touch. Good things to come. Success.

I dont see it as negetive because of lots of scammers. Its a good strategy to fight against greedy people trying to take advantage of the good will.

This is bs how could you scam it if you sign it with your btc address? Take a look at byteball for example!