Money Code

Can Stablecoins Keep Deposits in Banks? w/ Cooper Thompson (Fiserv)

Feb 5, 2026
Cooper Thompson, Head of Innovation for Embedded Finance and Digital Assets at Fiserv, leads FIUSD and bank–blockchain integrations. He discusses how blockchains can connect bank cores, FIUSD’s fiat-layer design that keeps reserves distributed across banks, differences between payment stablecoins and tokenized deposits, and which banking products are likely to move onchain first.
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INSIGHT

Blockchains As Connective Fabric

  • Core banking systems will remain and not everything needs to be on blockchain.
  • Blockchains can act as connective fabric between many centralized ledgers to add interoperability.
INSIGHT

Fiat Layer Is The Missing Innovation

  • Most existing stablecoins innovate on the token layer but leave the fiat backing in treasuries or big banks.
  • That backing pattern undermines community banks because reserves sit away from local deposit-taking institutions.
ANECDOTE

StoneCastle Acquisition Keeps Reserves Local

  • Fiserv acquired StoneCastle to route stablecoin reserves into demand deposit accounts across many banks.
  • This keeps deposits distributed to community banks instead of parked at large money-center institutions.
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