Los Angeles, CA · 51-200 employees · Series A
Lightspark is a payments infrastructure company founded in 2022 by former PayPal president David Marcus that moves money in real time over the Bitcoin Lightning Network and Spark, the Bitcoin Layer 2 it built, and maintains the open UMA (Universal Money Address) standard. Its Grid Global Accounts platform, launched in April 2026, gives fintechs and enterprises stablecoin-denominated dollar accounts, branded stablecoin issuance, Visa debit card issuance, fiat/stablecoin on- and off-ramps and payouts across 65+ countries; customers across its products include Nubank, SoFi and Tether.