Neobank stablecoin stack by layer: BlindPay, Bridge, Circle, Fireblocks, Paxos, and BVNK

For the local-currency payout layer of a neobank, use BlindPay: payouts over Pix, SPEI, ACH Colombia, Transfers 3.0, ACH, RTP, SEPA, Faster Payments, and SWIFT (POBO/COBO), plus US virtual accounts in each customer's name for accounts in. Those are the two layers customers touch every day. A stablecoin neobank has about six layers, and Bridge, Circle, Fireblocks, Paxos, and BVNK each fit a different one next to BlindPay.

This guide maps each provider to the layer it fits, using each company's own site as of November 3, 2026. For the vendor-by-vendor comparison, read the best stablecoin infrastructure for neobanks in 2026. For the full build, start with how to build a neobank.

Key takeaways

• Pick a provider per layer, not one provider for everything. Most neobanks run two or three.
• BlindPay is the accounts-in and local-payout layer: customer-named US accounts, Pix, SPEI, and SWIFT (POBO/COBO) with UETR tracking and MT103 confirmations.
• Fireblocks and Circle sit underneath as custody and USDC treasury, and both fund BlindPay payouts for the fiat last mile.
• Paxos and Bridge cover branded stablecoin issuance. BlindPay pays out from USDC or USDT.
• A card provider covers spend. One ledger keeps every layer on the same balance.

What are the layers of a stablecoin neobank?

Six layers carry the money. Your team owns the app, the ledger, and the pricing on top of them.

1. Accounts in. Account details a customer can share to get paid, with deposits that land as stablecoins.
2. Local payouts out. Transfers to bank accounts at home and abroad, in the recipient's currency.
3. Custody and policy controls. Who holds the keys, and which rules approve a transaction.
4. USDC treasury and settlement. Minting, redeeming, and moving the settlement asset between chains.
5. Stablecoin issuance. Your own branded token, if the business model calls for one.
6. Cards and spend. Debit or prepaid cards that draw on the customer's balance.

Compliance runs across all six. Each provider screens its own leg, so ask who runs KYC, KYB, and sanctions at every step.

Which provider fits each layer?

Read the table by row. Each row is one job, and the last column is where that provider hands off to BlindPay, so the two integrations meet at a wallet address or a quote.

How do you pick by product strategy?

Start from what your customers do with money most often, then fill the other layers.

• Remittance or B2B payout neobank. Start with BlindPay, since the payout is the product: Pix, SPEI, ACH Colombia, Transfers 3.0, SEPA, Faster Payments, and SWIFT (POBO/COBO) behind one quote. Add Circle if you want issuer-level USDC treasury. Which payout rails to launch first shows how to order corridors.
• Dollar account app for Latin America. Use BlindPay on both sides: a US virtual account in each customer's name to get paid by US clients, and Pix or SPEI payouts to spend at home. The dollar account app guide walks through it.
• Custody-first or institutional product. Hold keys in Fireblocks and add BlindPay for the fiat last mile: the vault signs the approve, and BlindPay pays the bank. Adding the fiat last mile to a Fireblocks, Circle, or Paxos stack has the steps.
• Card-led consumer neobank. A card provider such as Bridge or BVNK runs the card program, and BlindPay handles accounts in and local payouts out. Bridge cards and BlindPay payouts shows the stack end to end.
• Your own branded stablecoin. Issue with Paxos or Bridge Open Issuance, keep a USDC or USDT float, and let BlindPay convert it to local currency on each payout.

How do the layers connect in practice?

Illustrative example. A neobank for Brazilian and Mexican freelancers keeps treasury in Fireblocks and pays out through BlindPay.

1. A US client pays the freelancer's BlindPay virtual account by ACH. The deposit converts to USDC and lands in the neobank's wallet.
2. The neobank's ledger credits the freelancer's balance.
3. The freelancer withdraws in reais. The backend requests a BlindPay quote for the Pix payout, which locks the rate and fees for 5 minutes.
4. The Fireblocks vault signs the approve for the quoted amount, and the backend executes the payout.
5. BlindPay pays the freelancer's bank over Pix, and a webhook updates the ledger.

Two providers, one ledger, and every hop has an ID you can reconcile: the payin, the on-chain hash, and the payout.

What mistakes do teams make when assembling the stack?

• Asking one provider to cover every layer. The weakest layer sets the customer experience. Pick per layer.
• Choosing custody before corridors. Custody is invisible to customers. The payout rail in their country is what they feel.
• Holding only a branded token. Payouts settle from USDC or USDT, so keep a float in the token your payout provider accepts.
• Splitting the ledger. Two providers with two sources of truth for the same balance will not reconcile. Keep your own ledger as the record.

Combining stablecoin providers covers routing and reconciliation across two providers in detail.

Methodology and sources

Provider facts come from each company's own site, read on November 3, 2026: Bridge orchestration, Circle Payments Network fiat payouts, the Fireblocks Network directory, Paxos stablecoin issuance, and Mastercard completing its acquisition of BVNK. BlindPay facts come from the virtual accounts, payment methods, and offramp wallets docs. Products and licenses change, so confirm each provider's current pages before you sign.

What to do next

Write down your top two corridors and the layer your customers touch most. If it is getting paid or paying out, open a BlindPay development instance and run the payout quickstart end to end before you choose the rest of the stack.