Stablecoin Conversion Services: How Banks Swap One Dollar Token for Another

Stablecoin conversion services let institutions swap one dollar‑pegged token for another, or move the same token across blockchains, while aiming to keep value at 1:1 with dollars. They are packaging of custody, issuer connections, compliance, and payment rails that execute mint, burn, and redemption steps on behalf of clients.

These services matter because payment stablecoins function as instruments whose reliability depends on redemption, backing, and settlement arrangements. Conversions touch all three: they use the issuer’s redemption promise, reconcile reserves, and settle across blockchains or bank ledgers. That framing is consistent with central‑bank research on payment stablecoins’ real‑world usefulness and constraints (Federal Reserve FEDS Note).

How a stablecoin conversion actually works

Institutions convert stablecoins through two broad paths:

• On‑chain, where the token is burned on one chain and newly minted on another, or routed through a protocol that proves a burn and authorizes a mint.
• Off‑chain, where a custodian adjusts client balances and coordinates mint/redemption with issuers and bank rails behind the scenes.

For example, Circle’s Cross‑Chain Transfer Protocol moves USDC by burning on the source chain, issuing an attestation, and minting the same amount on the destination chain, preserving 1:1 supply across networks (Circle CCTP).

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