PayPal

When Peter Thiel, Max Levchin, and Luke Nosek founded what would become PayPal, the original goal was to build a new global digital currency. That initial project evolved into something different but equally ambitious: the world's most widely used digital payments platform, with 438 million active accounts as of Q2 2025 and an operational presence across more than 200 markets. PayPal built its market position by solving one of the most concrete problems in online commerce: how to transfer money between people and businesses that do not know each other, over the internet, securely and without friction. In the early years of e-commerce, this was a real barrier to the growth of online transactions. PayPal created a layer of trust — a shared digital wallet — that allowed anyone to send and receive payments without exposing their credit card details to every individual merchant. The business model has evolved over time but maintains its core logic: fees on processed transactions, both on the consumer and merchant side. The total payment volume intermediated — $343 billion based on available data — is the most direct measure of the scale achieved. These numbers place PayPal among the most significant digital financial infrastructures in the world, a position consolidated over the years through strategic acquisitions, geographic expansion, and adjacent product development. Over the years, PayPal has expanded its offering well beyond simple money transfers: merchant services, consumer credit solutions, Buy Now Pay Later products through Venmo and other controlled platforms. This diversification has transformed PayPal from a simple payment intermediary into a multi-product financial platform. Headquartered in San Jose and deeply rooted in Silicon Valley, yet with a global relevance that few fintech players can match, PayPal remains a foundational case study for anyone seeking to understand how a digital financial platform is built to scale at a planetary level.