TLDR Tech / Crypto
What Is a Stablecoin Sandwich?
Polygon's explainer breaks down the stablecoin sandwich — a three-step cross-border payment structure where fiat is converted to a stablecoin, transferred over a blockchain, then converted back to local fiat at the destination, with both sender and receiver staying in their own currency. The model enables near-instant 24/7 settlement compared to T+2 or T+5 international wires, at a fraction of the cost for corridors like US-Mexico, US-Philippines, or Europe-Africa. The post frames Polygon as the natural home for this architecture given its low fees, high throughput, and enterprise integration track record with Stripe, Revolut, and Mastercard.
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