PayPal Fraud - 10 IG Accounts Banned

I banned 10 IG Account , for paypal fraud , one of this guys make a donation of 100 usd and after i deliver the donation , he asked for a refund by a claim against us on paypal. Ill not tolerate this kind of things , unfurtunelly , there is no way to know when this will happend , so i banned the 10 accounts created by the same IP of the buyer.
Paypal account of the fraud : [Only registered and activated users can see links. ]
Accounts Banned :
ACCOUNT: selvynda
ACTIVE: False

ACCOUNT: andry_hebat
ACTIVE: False

ACCOUNT: RiverA
ACTIVE: False

ACCOUNT: lp_boyz
ACTIVE: True

ACCOUNT: St_Luke
ACTIVE: False

ACCOUNT: rositarm
ACTIVE: False

ACCOUNT: rosong
ACTIVE: False

ACCOUNT: ijo_lumut
ACTIVE: True

ACCOUNT: nextar
ACTIVE: False

ACCOUNT: twinie
ACTIVE: False