Airwallex will use the extra $200 million raised to scale the business globally. : Airwallex has raised another $200 million in a series E round, with the Australian fintech startup now reaching a fund total of over $700 million and a valuation of $4 billion. The majority of the funding came from new investors, including private US-based investment firm Lone Pine Capital, which led the funding round and is the backer of other fintech giants such as PayPal and Square, as well Amazon, Netflix, and Twitter.