have A question about Paypal ~help

first , thx for help



i was wonder wuts the difference between

verifried and unverifried ?

does that mean have business with unverivried user might have chace got rip off ?

like umm...they can cancel the money that sent to my paypal and i will get nothin? or they wont be able to take back money after they sent ~


how they became unverifried ?

thx for help, peace