SV Angel

Castle operates an application to create and develop interactive cards. It offers a digital editor for designing and game development.

Blockstack is a decentralized computing network that empowers users to control their data and login credentials while facilitating the development of decentralized applications (dApps) and smart contracts. Founded in 2013 and based in New York, the company operates an open-source platform that allows developers to create secure, privacy-focused applications. Users can register digital assets, such as domain names and applications, through Blockstack Token LLC, a subsidiary established in 2017. The network enables the creation, trading, and management of digital assets without relying on central authorities. With over 120 independent developer teams building on its platform, Blockstack aims to provide a scalable and user-centric alternative to traditional tech solutions, ensuring privacy, security, and freedom in the digital space.

X1 Card is the smartest credit card ever made. Built with 17g of stainless steel and laser etching technology, X1 Card reimagines the credit card from the ground up. It harnesses the power of technology to offer smart credit limits, an unparalleled rewards program, and automated features that will transform the way you shop and spend. X1 Card is partnered with Visa Signature, allowing cardholders to use it at more than 46 million merchants around the world. The company is cofounded by Twitter alums Deepak Rao and Siddharth Batra and backed by PayPal co-founder Max Levchin and founding COO David Sacks, Harrison Metal founder Michael Dearing, former Twitter COO Adam Bain, Libra co-creator & Instagram’s former head of product Kevin Weil and more.

Carta is a transfer agent for private companies that enables seed-stage to pre-IPO companies to manage equity electronically with the participation of their shareholders, employees, auditors, and legal counsel. It digitizes paper stock certificates along with stock options, warrants, and derivatives to create a real-time image of who owns what at a startup. Carta receives funding from a group of investors, including Draper VC, Expansion VC, k9 Ventures, Elefund, Subtraction Capital, Scott Banister, XG Ventures, Kima Ventures, Andy Palmer, and Structure Capital. It was founded by Manu Kumar and Henry Ward in 2012 as eShares, Carta is based in Mountain View, California.

Stacks is a mobile communications company based in Melbourne, Australia, that specializes in branded contact sharing solutions. The company provides innovative business cards for iPhone users, enabling them to share contact information seamlessly via iOS 7 and AirDrop. Users can efficiently organize the business cards they receive into customized stacks based on categories such as company, profession, or event. Additionally, any updates made to contact details are automatically synchronized with their contacts, ensuring that information remains current and accessible. Stacks focuses on enhancing the way individuals manage and share their professional connections.

Wildcard offers a mobile Internet technology designed to enhance the browsing experience on smartphones. By providing a vast library of cards, Wildcard enables users to access web content faster than traditional browsers and with greater efficiency than downloading native apps. Its innovative approach serves as a seamless replacement for conventional Internet browsing, allowing users to find the information they need quickly and effectively.

Openbucks Corp. operates a gift card payment network that provides a secure and convenient alternative to traditional credit card transactions for online purchases. Founded in 2011 and based in San Jose, California, the company allows consumers to buy gift cards from well-known retailers such as Subway and CITGO, which can then be used for payments on various gaming and e-commerce websites in the United States and Canada. This network aims to make online payments accessible to a broader audience by enabling merchants to accept prepaid payment methods, facilitating safe transactions across multiple platforms.

Cardspring is creating an application platform that will allow Web and mobile developers to write applications for credit cards and other types of payments. Cardspring attaches itself to the payment network in a secure fashion on one side, and on the other it presents itself as a platform for developers to create payment apps via Web-standard APIs. It is a bridge between the two networks. These applications could include things like electronic coupons, loyalty cards, virtual currencies, or yet-to-be-imagined commerce apps.

Cardspring is creating an application platform that will allow Web and mobile developers to write applications for credit cards and other types of payments. Cardspring attaches itself to the payment network in a secure fashion on one side, and on the other it presents itself as a platform for developers to create payment apps via Web-standard APIs. It is a bridge between the two networks. These applications could include things like electronic coupons, loyalty cards, virtual currencies, or yet-to-be-imagined commerce apps.

Openbucks Corp. operates a gift card payment network that provides a secure and convenient alternative to traditional credit card transactions for online purchases. Founded in 2011 and based in San Jose, California, the company allows consumers to buy gift cards from well-known retailers such as Subway and CITGO, which can then be used for payments on various gaming and e-commerce websites in the United States and Canada. This network aims to make online payments accessible to a broader audience by enabling merchants to accept prepaid payment methods, facilitating safe transactions across multiple platforms.

Offermatic is a free service that matches offers to you based on what you buy. Offers are loaded onto your credit or debit cards so they're always with you when you're ready to use them, and you can save money without dealing with coupons or vouchers.

Cardpool, Inc. operates a gift card exchange marketplace that allows customers to buy, sell, and trade pre-owned gift cards. Founded in 2009 and based in San Francisco, California, the company connects gift card holders globally, enabling them to purchase discounted gift cards or sell their cards for cash. Customers can acquire gift cards at discounts of up to 30% off their face value and sell their cards for up to 90% of their original value. Cardpool also offers the option to trade gift cards for Amazon.com Gift Cards or donate them to charity. The platform is designed to be user-friendly, providing free shipping for transactions, a 100-day return policy, and a commitment to only selling gift cards that do not expire and have no associated monthly fees.