• Nubank's US deposit account and credit card run on Lead Bank's charter and FDIC insurance, not Nubank's own — its national bank charter got only conditional OCC approval on January 29, 2026.
• Nubank must fully capitalize its new bank within 12 months and open it within 18, per the OCC's conditional order, with Federal Reserve and FDIC approvals still outstanding.
• Nu Global, the companion multi-currency account, converts balances into Circle's USDC and EURC stablecoins — a materially different, uninsured product bundled alongside the insured deposit account.
• The sponsor-bank bridge model mirrors the BaaS structure blamed for the 2024 Synapse-Evolve Bank collapse, which froze depositor funds when it became unclear which institution actually held customer money.
• Analysts frame the launch as a deliberate bridge, not a delay tactic — Nubank is using someone else's charter to start acquiring US customers before its own license clears.

Nubank went live in the United States on September 10, 2026, offering a 3.5% APY deposit account and a no-annual-fee, 1.5%-cashback credit card — not through its own bank, but through Kansas City-based Lead Bank, a sponsor arrangement that lets it open accounts while its national charter application sits with three separate regulators. The OCC gave Nubank, N.A. conditional approval on January 29, 2026, with a 12-month capitalization deadline and an 18-month deadline to open. Rather than wait out its own timeline, Nubank is now racing it by launching under someone else's charter first.

A Sponsor-Bank Bridge, Not a Charter

Nubank's US products run on Lead Bank's charter and FDIC insurance, not its own. The OCC's January 29, 2026 conditional approval for Nubank, N.A. still awaits sign-off from the Federal Reserve and the FDIC, per Nu's own newsroom disclosure and the OCC's published charter file. Rather than wait out that process, Nubank turned to a sponsor bank — the same bank-as-a-service structure other fintechs have used for years — to start gathering US deposits and credit-card customers ahead of its own license, a move Javelin Strategy & Research analyst Dylan Lerner called a 'bridge partnership.'

The Deposit Account Is Lead Bank's Liability, Not Nubank's

The 3.5% APY account — boosted to 4.5% on savings goals up to $10,000 for cardholders completing three transactions within 34 days, per reporting from Rio Times Online and American Banker — carries FDIC insurance through Lead Bank, not a Nubank charter. That distinction matters after 2024's Synapse-Evolve Bank collapse froze fintech depositors nationwide when a middleware failure obscured who actually held the money. Nubank's compliance exposure during this bridge period sits with Lead Bank's balance sheet and controls, not its own — a gap worth naming plainly to US customers even if it is unlikely to fail the same way.

Nu Global Blurs Deposit and Stablecoin

Alongside the insured deposit account, Nubank introduced Nu Global, a multi-currency account that converts balances into Circle's USDC and EURC stablecoins, advertised at 3.50% and 2.20% APY respectively, and usable for fee-free transfers to more than 35 countries. Unlike the Lead Bank deposit product, Nu Global balances are stablecoin holdings, not insured bank deposits — a distinction the marketing bundles into one 'US banking suite' but that carries a materially different loss profile if Circle's reserve or redemption mechanics ever come under stress.

What Compliance Teams Should Watch Next

Nubank must fully capitalize its national bank within 12 months of the January approval and open it within 18, per the OCC's conditional order — meaning the sponsor-bank bridge is a matter of months, not years, if the timeline holds. The open questions are whether the Federal Reserve and FDIC clear the charter on schedule, whether Nubank's US disclosures keep the Lead Bank deposit product and the uninsured Nu Global stablecoin account clearly separated for consumers, and whether other sponsor-bank entrants read Nubank's approval timeline as license to route around their own pending charters the same way.