Column launches stablecoin banking rails with Solana as default chain

Column, the US bank that quietly powers infrastructure for some of the biggest names in fintech, just made stablecoins a native feature of its banking stack. The bank launched stablecoin banking services on September 16, supporting USDC and USDT across Solana, Ethereum, and other major networks, with real-time conversion to and from fiat currencies.

The key word there is “native.” Column isn’t wrapping a third-party crypto service in a banking interface. It’s embedding stablecoin support directly into its core banking ledger, meaning incoming stablecoins convert to USD instantly, and outgoing transfers settle on-chain in seconds. No prefunding. No middlemen.

How the plumbing actually works

Column’s stablecoin rails connect directly to the major fiat payment networks you’d expect from a chartered US bank: ACH, FedNow, Fedwire, RTP, SWIFT, and even checks. The integration means a fintech client can receive USDC on Solana, have it instantly reflected as USD in their Column account, and then push that money out via any of those traditional rails.

The reverse works too. A client can initiate a transfer that settles on-chain within seconds, without needing to pre-park funds in a crypto wallet or route through a separate exchange.

Solana serves as the default network, a choice that reflects the chain’s growing reputation for speed and low transaction costs. Ethereum and other networks are also supported.

Column’s client roster and competitive positioning

The bank’s existing client base reads like a who’s who of modern fintech. Brex, Ramp, Mercury, Bilt, Slash, and Kapital all rely on Column’s infrastructure.

The stablecoin launch was part of a broader product rollout that included full-stack card issuing, global banking solutions, and multicurrency accounts. Column is clearly positioning itself as a one-stop infrastructure provider.

This puts Column in direct competition with players like BVNK, which has ties to Mastercard, and Marqeta, the card-issuing platform. But Column’s advantage is structural. As a chartered bank rather than a middleware provider, it can offer composable integration across payments, cards, stablecoins, and global banking under a single regulatory umbrella.

Why the “native” distinction matters

Column’s direct integration eliminates the wrapper layer. When a stablecoin arrives at the bank, it doesn’t sit in a third-party custodian’s wallet waiting to be reconciled. It hits the core ledger as USD, subject to the same compliance and risk frameworks as any other deposit.

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