Solana
The high-throughput chain that markets itself as payments infrastructure (Solana Pay) — Sling Money's stablecoin P2P, Decaf's spending rails, KAST's stablecoin cards and Solflare all run their money features on it.
Tracked neobanks on its rails
Other payments chains
Client list shows tracked neobanks with a publicly documented relationship — not a complete customer book. Sourced from issuer disclosures and public reporting; suggest a fix.