Peer-to-peer (P2P) payment apps like Venmo, PayPal, Cash App, and Zelle make sending money faster than ever. Retirees use them to split bills, send gifts, or even pay contractors. But convenience often hides risks—once money is sent, it’s usually gone. Scammers take advantage of retirees who don’t know the rules. Here are nine peer-to-peer payment rules that protect your cash.
