---
title: "Key facts: USDC ~$79.2B; $8B+ minted; ETH66% SOL10.7% Base5.5% ARB2.7%"
type: "News"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/news/279339355.md"
description: "Circle has minted over $8 billion in USDC since February, increasing the total supply to approximately $79.2 billion. Currently, 66% of USDC is on Ethereum, 10.7% on Solana, with the remainder distributed across Layer 2 solutions like Base (5.5%) and Arbitrum (2.7%). The market cap of USDC is nearing $80 billion, reflecting significant growth from around $70 billion earlier this year."
datetime: "2026-03-17T00:04:05.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/279339355.md)
  - [en](https://longbridge.com/en/news/279339355.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/279339355.md)
---

> 支持的語言: [简体中文](https://longbridge.com/zh-CN/news/279339355.md) | [English](https://longbridge.com/en/news/279339355.md)


# Key facts: USDC ~$79.2B; $8B+ minted; ETH66% SOL10.7% Base5.5% ARB2.7%

-   Since February Circle minted $8B+ USDC, pushing supply past $78B. About 66% is on Ethereum, ~10.7% (~$8.4B) on Solana, rest on L2s including Base (5.5%) and Arbitrum (2.7%).1
-   USDC market cap neared $80B, circulating supply about $79.2B, up from roughly $70B in early February, showing recent supply growth over the past weeks.2

### 相關股票

- [Grayscale Ethereum Staking ETF (ETHE.US)](https://longbridge.com/zh-HK/quote/ETHE.US.md)
- [Grayscale Solana Staking ETF (GSOL.US)](https://longbridge.com/zh-HK/quote/GSOL.US.md)
- [Leverage Shares 2X Long CRCL Daily ETF (CRCG.US)](https://longbridge.com/zh-HK/quote/CRCG.US.md)
- [GraniteShares 2x Long COIN Daily ETF (CONL.US)](https://longbridge.com/zh-HK/quote/CONL.US.md)
- [Invesco Galaxy Ethereum ETF (QETH.US)](https://longbridge.com/zh-HK/quote/QETH.US.md)
- [Mara (MARA.US)](https://longbridge.com/zh-HK/quote/MARA.US.md)
- [Grayscale Ethereum Mini Staking ETF (ETH.US)](https://longbridge.com/zh-HK/quote/ETH.US.md)
- [Bitwise Ethereum ETF (ETHW.US)](https://longbridge.com/zh-HK/quote/ETHW.US.md)
- [Fidelity Ethereum Fund (FETH.US)](https://longbridge.com/zh-HK/quote/FETH.US.md)
- [Direxion Daily Crypto Industry Bull2XETF (LMBO.US)](https://longbridge.com/zh-HK/quote/LMBO.US.md)
- [Bitwise Solana Staking ETF (BSOL.US)](https://longbridge.com/zh-HK/quote/BSOL.US.md)
- [IShares Ethereum Trust ETF (ETHA.US)](https://longbridge.com/zh-HK/quote/ETHA.US.md)
- [VanEck Ethereum ETF (ETHV.US)](https://longbridge.com/zh-HK/quote/ETHV.US.md)
- [Valkyrie Bitcoin and Ether Strategy ETF (BTF.US)](https://longbridge.com/zh-HK/quote/BTF.US.md)
- [Franklin Ethereum ETF (EZET.US)](https://longbridge.com/zh-HK/quote/EZET.US.md)
- [Amplify Transform Data Sharing ETF (BLOK.US)](https://longbridge.com/zh-HK/quote/BLOK.US.md)
- [21Shares Ethereum ETF (TETH.US)](https://longbridge.com/zh-HK/quote/TETH.US.md)
- [Coinbase (COIN.US)](https://longbridge.com/zh-HK/quote/COIN.US.md)
- [Riot Platforms (RIOT.US)](https://longbridge.com/zh-HK/quote/RIOT.US.md)
- [Galaxy Digital (GLXY.US)](https://longbridge.com/zh-HK/quote/GLXY.US.md)
- [Siren ETF Trust Siren Nasdaq NexGen Economy ETF (BLCN.US)](https://longbridge.com/zh-HK/quote/BLCN.US.md)
- [Solana (HSDT.US)](https://longbridge.com/zh-HK/quote/HSDT.US.md)
- [21Shares Ethereum ETF (CETH.US)](https://longbridge.com/zh-HK/quote/CETH.US.md)
- [Proshares Ether Strategy ETF (EETH.US)](https://longbridge.com/zh-HK/quote/EETH.US.md)
- [Circle (CRCL.US)](https://longbridge.com/zh-HK/quote/CRCL.US.md)
- [ETH/HKD (ETHHKD.VAHK)](https://longbridge.com/zh-HK/quote/ETHHKD.VAHK.md)
- [ETH/USD (ETHUSD.VAHK)](https://longbridge.com/zh-HK/quote/ETHUSD.VAHK.md)
- [ARB/USD (ARBUSD.VAHK)](https://longbridge.com/zh-HK/quote/ARBUSD.VAHK.md)

## 相關資訊與研究

- [BitMine Completes Pier Two Acquisition, Expands Ethereum Staking](https://longbridge.com/zh-HK/news/281086447.md)
- [ZachXBT’s Circle Files: USDC’s Biggest Compliance Scandal](https://longbridge.com/zh-HK/news/281686703.md)
- [Key facts: B2C2 on Solana; Solana TVL $6.3B v ETH $54.1B; +80% 30d Fees](https://longbridge.com/zh-HK/news/281437571.md)
- [Funding Circle awards long-term performance share options to top executives](https://longbridge.com/zh-HK/news/281550373.md)
- [Drift says $280M exploit tied to ‘sophisticated’ admin takeover; ZachXBT criticizes Circle over USDC handling](https://longbridge.com/zh-HK/news/281494546.md)