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SS Sebastian Serrano On Bankless

“More and more fintechs are using stablecoins in the back with the users not knowing it. And I think that is very likely the future. Crypto is going to power a lot of experiences and people likely are not going to know that they're using it.”

Bankless · Crypto & Web3 · November 2026

“More and more fintechs are using stablecoins in the back with the users not knowing it. And I think that is very likely the future. Crypto is going to power a lot of experiences and people likely are not going to know that they're using it.” — Sebastian Serrano, Bankless

Context

The host asked how a bank-to-bank payment from Brazil to Argentina works today. Serrano described the common routes and said stablecoin rails already sit behind many cross-border payments without users noticing.

Transcript

Bankless Around 24:52 into the episode
Sebastian Serrano

…So it's quite substantial. And yields are much higher. So like yields of Argentinian pesos is 25% right now. Brazilian reals is 13, 15. So it's smaller money supply, but larger yields. How much of that gets tokenized? Well, we'll try to today zero, it's 0.002%. We're going to try to make it 1%.

David Hoffman

Can you walk me through a bank-to-bank transfer across some of these countries? So like Brazil to Argentina, for example, without using crypto or blockchain. How does a payment today go from a Brazilian bank to an Argentine bank?

Sebastian Serrano

…like Uruguay Chile Peru they they don't have real-time payment networks but they are all copying Brazil the first one to launch it was Brazil with PICS and everybody is launching their own version of PICS across the region and and that and that together with the Understanding of crypto is all getting interwined and connected. The use of what is called the stablecoin sanguish is very common. So more and more fintechs are using stablecoins in the back with the users not knowing it. And I think that is very likely the future. Crypto is going to power a lot of experiences and people likely are not going to know that they're using it.

David Hoffman

So with all of these currencies that you've tokenized, the six currencies, is that a B2B to see product? Is that also a consumer product as well? Who is that really for? And how is that really kind of changing the topology of bank payments across countries?

Sebastian Serrano

So we call it a platform. So first thing is having a Mint account. So being able to mint and redeem these stable coins locally. We have two go-to-market strategies. One is the crypto as a service, which is this offering that we already have with many banks and fintechs. So integrating it there is…

David Hoffman

The image that is coming together in my mind is like we have this central hub of liquidity with all the different tokenized fiat currencies. You call it wrapped fiat. And that's like the center clearinghouse, if you will, for all of these different trades being made across currencies, all the forex…

Speaker names come from our own diarization. The position is estimated from where the line sits in the episode.

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