Sweep networks prevent bank asset mismatch

This is the core reason Mercury is structurally different from SVB, it does not need to turn customer cash into loans to make the model work. SVB was a bank with a balance sheet problem, startup deposits flooded in faster than startup loan demand, so excess cash got pushed into long duration securities. Mercury instead routes deposits across partner banks and gets a revenue share, while the bank partners decide how to deploy that funding.

• A sweep network is basically plumbing for moving deposits to banks that want funding. One customer sees one Mercury account, but behind the scenes cash can be spread across partner bank and network accounts so FDIC coverage is extended and deposit supply can be matched with banks that actually want the balances.
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• SVB’s problem in 2021 and 2022 was that deposits surged while lending opportunities did not keep up. Its 2022 filing shows a huge securities book alongside startup focused lending, which is what happens when a bank has more cash coming in than loans it can originate at the same pace.
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• The too big to fail framing misses the product and business model split. Mercury is a software layer for startups, with revenue from deposit sharing, cards, wires, FX, and some venture debt, while large banks are optimizing for broad retail and corporate workflows that often fit startups poorly, especially for fast onboarding and day to day money movement.
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The market is moving toward startup banking that looks less like one monolithic bank and more like a software shell over multiple balance sheets and treasury options. That favors Mercury, because the winning product is likely the one that can aggregate deposits safely, spread them intelligently, and keep adding workflow products without taking on the classic bank asset mismatch that broke SVB.