USDCvsUSDX
USD Coin vs USDX Money USDX — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
USDC — USD Coin
USDX — USDX Money USDX
30-day peg stability dotted line = target · both charts share one scale
What the last 30 days show
Over the last 30 days USDC supply moved +2.5% and USDX +0.0% — USDC grew faster. USDC held the tighter band: worst deviation 5 bps against 9912 bps.
Key differences
- USDC is roughly 107.8× larger than USDX by USD circulation value ($73.70B vs $683.4M).
- USDC ranks #2 while USDX ranks #18 among all tracked stablecoins.
- Both are pegged to the same currency (USD), so they compete directly for the same use cases.
- USDC is a fiat-backed stablecoin; USDX is crypto-backed. Different mechanism, different failure modes.
- USDC reports cash & t-bills in reserve. We do not track a published reserve breakdown for USDX.
- USDC is deployed on 157 chains — much broader coverage than USDX's 3.
- Primary chain differs — most USDC supply lives on Ethereum, while most USDX supply is on BSC.
Full comparison table
| Metric | USDC | USDX |
|---|---|---|
| USD circulation value | $73.70B | $683.4M |
| Rank (by USD value) | #2 | #18 |
| Peg | USD | USD |
| Mechanism | fiat-backed | crypto-backed |
| Backing | Cash & T-bills | — |
| Chains deployed | 157 | 3 |
| Primary chain | Ethereum | BSC |
| Issuer | Circle | — |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between USDC and USDX?
Both track USD, so they compete for the same use cases. USDC holds cash & t-bills. We track no published reserve breakdown for USDX. USDC ranks #2 by USD value and USDX ranks #18.
Which is bigger, USDC or USDX?
USDC is larger, with $73.70B in circulation vs $683.4M for USDX. That's roughly 107.8× the size.
Is USDC safer than USDX?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. USDC uses a fiat-backed model; USDX uses a crypto-backed one. Read each issuer's most recent reserve attestation before choosing.
Can I convert between USDC and USDX?
Yes. USDC and USDX both trade on major centralized and decentralized exchanges. Since both track USD, the exchange rate is typically very close to 1:1. Direct swap protocols on Ethereum, Solana, and other chains offer the tightest spreads.
Should I choose USDC or USDX?
The right choice depends on your use case. Consider: which chain do you need? USDC is available on 157 chains and USDX on 3. What backing do you prefer? What's your integration surface (exchanges, DeFi protocols, payment providers)? Both have deep liquidity, so market cap alone shouldn't decide it.