If you live in USA, you need to use your phone number to get the verity code when you go to bitcoin ATM to buy or sell bitcoin. Do we need to file the income tax form to the government? Will the government know?

Like bank of america?
wellfargo?

If no, what compay can i sell or buy or trade in US?

i am a beginner, please help.

如題..

美國銀行, wellfargo, 可以嗎?