Guide

What is USDC?

USDC (USD Coin) is a fully-reserved US-dollar stablecoin issued by Circle. Learn how it works, where it runs, and how to accept it in business.

In short

USDC (USD Coin) is a fully-reserved US-dollar stablecoin issued by Circle, designed to always be worth about $1. It runs on chains like Polygon, Ethereum, and BNB Chain and is widely used for payments and settlement.

How USDC works

Each USDC is backed by reserves (cash and short-dated US treasuries) held by the issuer, Circle, which publishes attestations. That backing is what keeps USDC at roughly $1, making it a dependable unit for getting paid on-chain.

Part of our guide to stablecoins for business.

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Questions

Frequently asked questions

Who issues USDC?
Circle, a regulated US financial company, issues USDC and publishes reserve attestations.
Is USDC always worth $1?
It's designed to stay at about $1, backed by reserves; small deviations can occur but it targets a 1:1 dollar peg.
What chains support USDC?
Many, including Polygon, Ethereum, and BNB Chain - all supported by Bitoshi.

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