Venmo and Cash App are gearing up for a high stakes battle over the next wave of peer-to-peer payments. PayPal just delivered its strongest Venmo quarter in years, beating earnings and revenue expectations across the board and raising its fullear company outlook as payment volume grew at its fastest pace in three years at Venmo and revenue growth in that sector hit a 2-year high. Now, that momentum has been fueled by heavier use of Venmo debit cards, instant transfers, and online checkout.Meanwhile, Block's ...