Question: X.com was an online bank that later became the company that supports what feature?

full_context: Document 1: Realex Payments: Realex Payments is a European payment service provider and a division of Global Payments Inc. with offices in Dublin and London. The company provides a broad range of payment gateway services and processes transactions in excess of €35 billion per annum on behalf of more than 14,000 clients including Virgin Atlantic Airways, Vodafone Ireland, the AA, AXA Insurance, Paddy Power and Aer Lingus.
Document 2: Saxo Bank: Saxo Bank is a Danish investment bank specializing in online trading and investment. It was founded as a brokerage firm in 1992, under the name Midas Fondsmæglerselskab, by Lars Seier Christensen, Kim Fournais and Marc Hauschildt. The name was changed to Saxo when the company obtained a banking license in 2001. Saxo offers trading through its online platforms in Forex, stocks, CFDs, futures, funds, bonds and futures spreads. The company functions as an online broker with a bank license, without offering traditional banking products. According to Saxo, roughly half of its activities are derived from partnerships with institutional trading partners. More than 100 financial institutions globally service their end clients with Saxo Bank's platforms on White Label basis
Document 3: X.com: X.com was an online bank started by Elon Musk in November, 1999 that later became PayPal. It was one of the world's first online banks. Its deposits were insured with FDIC. It had a partnership with Barclays. It was initially funded by Musk and his business mentor Greg Kouri, who went on to fund Musk's later startups Tesla and SpaceX.
Document 4: Paytm: Paytm is an Indian electronic payment and e-commerce brand based out of Delhi NCR, India. Launched in August 2010, it is a consumer brand of parent company One97 Communications. The name is an acronym for "Payment Through Mobile." The company employs over 13,000 employees as of January 2017 and has 3 million offline merchants across India. It also operates the Paytm payment gateway and the Paytm Wallet.
Document 5: ClearXchange: clearXchange, also known as Zelle, is a U.S.-based digital payments network owned by Early Warning that enables U.S. individuals and businesses to electronically transfer money from their bank account to another person's bank account using a web interface or mobile device. Unlike when using an Automated Clearing House (ACH) transfer, the payer does not need to know the bank account information of the payee to make a payment. Instead, that information is held by the clearXchange service, and the payer only needs to know the email address or phone number of the payee as a way to uniquely identify the recipient. To receive payments, the payee must register their bank account with clearXchange and associate it with their email address or phone number.
Document 6: EBay: eBay Inc. ( , stylized as ebay) is a multinational e-commerce corporation, facilitating online consumer-to-consumer and business-to-consumer sales. It is headquartered in San Jose, California. eBay was founded by Pierre Omidyar in 1995, and became a notable success story of the dot-com bubble. Today it is a multibillion-dollar business with operations in about 30 countries.
Document 7: Zip2: Zip2 was a company that primarily provided and licensed online city guide software to newspapers. The company started as Global Link Information Network in 1995 founded by brothers Elon and Kimbal Musk and Greg Kouri in Palo Alto, California with US$28,000 of their father's (Errol Musk) money plus US$6,000 from Kouri. Initially, Global Link provided local businesses with an Internet presence by linking their services to searchers and providing directions. Elon Musk combined a free Navteq database with a Palo Alto business database to create the first system. The company then began to assist newspapers in designing online city guides before being purchased by Compaq Computer in 1999.
Document 8: Steve Jurvetson: Stephen T. "Steve" Jurvetson (born March 1, 1967) is an American businessman and venture capitalist. He is currently a partner of Draper Fisher Jurvetson (DFJ). He was a venture capitalist investor in Hotmail. He also led the firm's investments in Tradex and Cyras (acquired by Ariba and Ciena, respectively). Current board seats include SpaceX, Synthetic Genomics, Planet Labs, Nervana Systems (acquired by Intel), Flux, D-Wave, and Tesla. Jurvetson was the world's first Tesla Model S owner, the second Tesla Model X owner (VIN 2, following Elon Musk), and the fifth Tesla Model 3 owner (VIN 5).
Document 9: Paymentwall: Paymentwall Inc. is a San Francisco-based international payments platform that allows both private individuals and businesses to sell goods and services over the Internet.
Document 10: Stripe (company): Stripe is a US technology company operating in over 25 countries, that allows both private individuals and businesses to accept payments over the Internet. Stripe focuses on providing the technical, fraud prevention, and banking infrastructure required to operate on-line payment systems.
Document 11: First-e Group: First-e was a highly innovative European online bank during the Dot-com bubble of 1999-2001. The company was based in Dublin, Ireland and employed 280 people, with 250,000 customers. It operated on a licence from French bank Banque d'Escompte, an innovation that allowed it to get around the usual difficulties faced by European banking startups. It launched with €200m in funding from various institutions including Intel, Morgan Stanley and Apax Partners and initially targeted the British market with a savings interest rate 2% higher than its high-street competitors, and gained 250,000 customers.
Document 12: PayPal: PayPal Holdings, Inc. is an American company operating a worldwide online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders. PayPal is one of the world's largest Internet payment companies. The company operates as a payment processor for online vendors, auction sites and other commercial users, for which it charges a fee.
Document 13: History of SpaceX: This is a corporate history of SpaceX, an American aerospace manufacturer and space transport services company founded by Elon Musk.
Document 14: Payonline: Payonline is an international e-commerce payment system founded in 2009. The company is one of the three biggest internet payment service providers in Russia and a member of the Russian Association for Electronic Communications. The Payonline system provides clients (websites and mobile apps) with the ability to accept payments made via Visa and MasterCard bank cards as well as using electronic money ("Qiwi", "WebMoney", "Yandex.Money").
Document 15: Chase Paymentech: Chase Paymentech is the payment processing and merchant acquiring business of JPMorgan Chase (NYSE: JPM). Paymentech payment platforms support businesses of all sizes to process payments, including credit, debit, and digital, alternative, mobile payment options. Paymentech can authorize payment transactions in more than 130 currencies. The company also provides business analytics, payment fraud detection, and data security solutions.
ground_truth: online money transfers