I am one of the engineers who built this.
Column is an OCC-chartered bank with its own in-house built banking core, so the processor runs on the same core as our ledger and payment rails.<p>We have direct integrations with Visa and Mastercard. It supports credit, debit, charge, fleet, prepaid, and stablecoin-backed programs, and what you'd expect from a mature issuer processor out of the gate: 3DS, digital wallets, Level 3 data, disputes, spend controls, and card manufacturer integrations.<p>Happy to answer questions!
How were you funded?
This looks like a self funded company. The founder is already a billionaire I guess.<p>(So transitively, funded by Plaid being a successful company in a similar space, and its founder then having capital to do other things)