Tether vs USD Coin
A tie, on what we measured. Both score 10/10. The difference between them is not something our probe can see, so we are not going to invent one.
Last collection 2026-08-25: probed 252 services, measured 233, over a 90-day window.
| Measured | Tether | USD Coin |
|---|---|---|
| Status now | Not published | Not published |
| Score On what we could measure: 76% of the criteria weight for Tether, 76% for USD Coin. | 10/10 | 10/10 |
| Market cap | $183.08B | $73.71B |
| Peg deviation | 0.02% | 0.01% |
| Age | — | — |
| Chains | 130 | 154 |
Tether
10 / 1076% measured$183.08B in market cap (DefiLlama). Capital is the market voting with its money — scored on a log scale, so the jump from $10M to $100M counts for more than $10B to $20B.
Live price deviates 0.02% from the $1.00 peg (DefiLlama). A stablecoin's one job.
No documented launch or listing date to measure age from.
Deployed on 130 chains (DefiLlama). Breadth is a minor tie-breaker — a focused single-chain protocol can still be excellent.
USD Coin
10 / 1076% measured$73.71B in market cap (DefiLlama). Capital is the market voting with its money — scored on a log scale, so the jump from $10M to $100M counts for more than $10B to $20B.
Live price deviates 0.01% from the $1.00 peg (DefiLlama). A stablecoin's one job.
No documented launch or listing date to measure age from.
Deployed on 154 chains (DefiLlama). Breadth is a minor tie-breaker — a focused single-chain protocol can still be excellent.
No affiliate links or ads anywhere on this site. How this is funded · Methodology · Full stablecoins ranking