OUSDvsA7A5
Open USD vs A7A5 — side-by-side comparison of supply, chains, backing, and peg data.
Side-by-side
OUSD — Open USD
A7A5 — A7A5
30-day peg stability dotted line = target
Peg history unavailable.
Key differences
- OUSD is roughly 1.3× larger than A7A5 by USD circulation value ($698.8M vs $544.7M).
- OUSD ranks #17 while A7A5 ranks #19 among all tracked stablecoins.
- OUSD is pegged to USD while A7A5 tracks RUB — they serve different currency markets.
- Both are fiat-backed stablecoins, so the mechanism is not what separates them.
- A7A5 reports rub deposits in banks in reserve. We do not track a published reserve breakdown for OUSD.
- OUSD is deployed on 4 chains — much broader coverage than A7A5's 2.
- Primary chain differs — most OUSD supply lives on Tempo, while most A7A5 supply is on Tron.
Full comparison table
| Metric | OUSD | A7A5 |
|---|---|---|
| USD circulation value | $698.8M | $544.7M |
| Rank (by USD value) | #17 | #19 |
| Peg | USD | RUB |
| Mechanism | fiat-backed | fiat-backed |
| Backing | — | RUB deposits in banks |
| Chains deployed | 4 | 2 |
| Primary chain | Tempo | Tron |
| CoinGecko | View → | View → |
Frequently Asked Questions
What's the main difference between OUSD and A7A5?
OUSD is USD-pegged and A7A5 tracks RUB, so they serve different currency markets and their market caps are not directly comparable. A7A5 holds rub deposits in banks. We track no published reserve breakdown for OUSD.
Which is bigger, OUSD or A7A5?
OUSD is larger, with $698.8M in circulation vs $544.7M for A7A5. That's roughly 1.3× the size.
Is OUSD safer than A7A5?
Neither is inherently safer. Safety turns on reserve composition, issuer transparency, redemption rights and regulatory oversight — none of which this page audits. Both use a fiat-backed model, so the difference sits in the issuer and the reserves rather than the design. Read each issuer's most recent reserve attestation before choosing.
Can I convert between OUSD and A7A5?
Yes. OUSD and A7A5 both trade on major centralized and decentralized exchanges. Since they track different currencies (USD vs RUB), conversion follows the underlying FX rate. Direct swap protocols on Ethereum, Solana, and other chains offer the tightest spreads.
Should I choose OUSD or A7A5?
The right choice depends on your use case. Consider: which chain do you need? OUSD is available on 4 chains and A7A5 on 2. 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.