PayPal

Venmo is a mobile and web-based peer-to-peer payments service operated by PayPal. It allows users to send and receive money, split bills, and make purchases using linked bank accounts, cards, or a Venmo balance. Venmo also offers a debit card and merchant payment integrations.

**Stripe** is a financial technology company that provides online payment processing software and APIs for businesses of all sizes. Founded in 2010 by Irish brothers Patrick and John Collison, it lets companies accept payments, manage subscriptions and billing, handle tax compliance, prevent fraud, and access treasury and banking tools. Headquartered in South San Francisco and Dublin, it remains privately held.

Cash App is a mobile peer-to-peer payments and financial services platform operated by Block, Inc. It lets users send and receive money, use a Cash Card debit card, buy and sell bitcoin and stocks, and manage deposits and basic banking features.

Google Pay is a mobile payment service used for contactless payments. The videos describe it as relying on secure device hardware so that some payment processing can occur before transactions reach the card networks.

TrialPay was an alternative-payments service for digital goods. It let consumers receive virtual items or other value by signing up for promotional offers such as insurance, credit cards, or Netflix subscriptions, while connecting merchants and consumers through payments and advertising.