Abstract Ventures is an early-stage venture investment firm and a pathfinder for founders. It makes vital connections for fundraising, talent, customers, and advice.
Atum has announced the end of its stealth phase and completed a $13.5 million funding round backed by investors including Variant, PayPal Ventures, and Abstract Ventures. Atum connects payment companies, developers, and enterprises through a unified coordination layer, responsible for payment authorization, routing, and confirmation, but does not issue currency, operate a blockchain, or hold customer funds. Its network supports cross-chain and stablecoin settlements and is compatible with agent payment protocols such as x402 and MPP.
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: NewLimit, a longevity technology startup co-founded by Coinbase founder Brian Armstrong, announced the completion of a $435 million Series C funding round, achieving a valuation of $3.1 billion. The round was led by Peter Thiel's fund, Founders Fund, with continued participation from Abstract Ventures, Kleiner Perkins, NFDG, Eli Lilly Ventures, Valor Equity Partners, and others. New investors introduced in this round include Thrive Capital, Greenoaks, and Quiet Capital.In 2021, Brian Armstrong, along with former GV partner and bioengineer Blake Byers and stem cell biologist Jacob Kimmel, jointly invested $110 million to establish NewLimit in South San Francisco.
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