Lightspark
Lightspark Group, Inc.
Data verified on unchanged since the sources
Worth it if you're building payments and want Lightning infrastructure with the open UMA standard for instant cross-rail transfers, already used by Tether, Nubank and SoFi.
Avoid it if you're an end consumer or aren't betting on Bitcoin Lightning: it's B2B infrastructure whose value depends on the spread of those rails.
Lightspark builds payment infrastructure on top of Bitcoin's Lightning Network to enable instant, low-cost payments at enterprise scale. It created the open UMA (Universal Money Address) standard, which works like an email address for sending and receiving money across different rails. Founded in 2022 by David Marcus (former PayPal president and lead of Meta's Libra/Diem project), it handles billions of dollars in volume for clients such as Tether, Nubank and SoFi. Note: it is listed here under card-issuer/BaaS, but its core is Lightning/UMA payment infrastructure.
Data & conditions
| Service type | Card issuing / BaaS |
|---|---|
| Pricing model | Not disclosed |
| Customer type | Enterprise, Fintech, Platforms |
| Fund custody | Self-custody (funds in your control) |
| Supported countries | US, EEA, LATAM |
| Segment | B2B |
| MiCA / License status | Not disclosed |
Strengths
- Lightning infrastructure and the open UMA standard for instant cross-rail payments.
- Heavily funded ($175M from a16z and Paradigm) with a top-tier team and clients such as Tether, Nubank and SoFi.
- Self-custody: funds stay in your wallet — the platform cannot touch them.
Weaknesses
- B2B infrastructure for businesses and platforms: not directly accessible to end consumers.
- Its core is Bitcoin's Lightning Network: adoption is tied to the spread of those rails.
- No notable sovereignty drawback documented.
Verdict
Score 4.1/5, very strong profile. In its favour: lightning infrastructure and the open UMA standard for instant cross-rail payments. The trade-off to weigh: b2B infrastructure for businesses and platforms: not directly accessible to end consumers.
On the Sovereignty lens the score is 5.0/5 (outstanding): the strength is fund control (5.0/5).
Promp's editorial rating based on real fees and net annual cost. Promp reviews third-party products independently.
"Sovereignty" rating: score computed on privacy/anonymity (30%), fund control (20%), censorship resistance (20%), trustless/auditability (20%) and costs (10%). Same data, different weights.
FAQ
What does Lightspark do?
It provides payment infrastructure on Bitcoin's Lightning Network and the UMA standard, letting businesses and platforms move money instantly and cheaply.
Can an individual use it?
Not directly: Lightspark sells infrastructure to businesses (exchanges, fintechs, wallets), which in turn offer it to their own users.
Sources
- Official service page Descrizione · UMA Data verified on Jul 17, 2026
- forbes.com Nubank Data verified on Jul 17, 2026
- fortune.com UMA Data verified on Jul 17, 2026