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MEXC’s offer to stake USDT and earn BTC was a time-limited promotion that ended on November 27, 2025. The 600% figure was an estimated annualized APR for a three-day term—not a promise to earn 600% of a deposit over three days. MEXC set a 100 USDT minimum, a 200 USDT per-user maximum, and Primary KYC Verification as eligibility requirements.
How the MEXC offer worked
MEXC described Cross-Asset Fixed Savings as a feature in which a user stakes one asset and receives rewards in another. In this campaign, users deposited USDT and were due BTC rewards; it was not a BTC staking deposit.
| Campaign detail | MEXC’s published terms |
|---|---|
| Campaign window | October 28, 2025 at 10:00 UTC to November 27, 2025 at 10:00 UTC |
| Staking asset | USDT |
| Reward asset | BTC |
| Product term | Three days |
| Rate | Estimated 600% annualized APR |
| Stake limits | 100 USDT minimum; 200 USDT maximum per user |
| Eligibility | Primary KYC Verification |
These are the terms MEXC announced for this particular event, not standing terms for every MEXC Earn product. MEXC’s event announcement
What “up to 600% APR” meant
APR annualizes a rate to make returns across different time periods easier to compare. It does not mean this three-day campaign paid 600% of the amount staked. MEXC labeled the rate an estimate, and the available event materials do not establish the realized BTC reward for an individual user. Treat the headline percentage as a promotional annualized rate, not a guaranteed outcome.
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Who could participate, and what happened to the funds
MEXC specified Primary KYC Verification and a stake between 100 and 200 USDT per user. Participation was also subject to pool availability. MEXC said the event could end early if the pool filled and that its terms could change without notice. MEXC’s event terms
During the three-day staking period, MEXC said the USDT would be frozen and unavailable for trading, transfer, or withdrawal. That restriction matters if you may need access to the funds before the term ends.
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Is the 600% APR offer still available?
No: the published event ended November 27, 2025 at 10:00 UTC. The title or existence of the Cross-Asset Fixed Savings feature does not show that this promotion—or a similar one—is currently open.
MEXC has announced other campaigns with different dates and terms. A September 2025 Earn announcement, for example, described a separate two-day new-user offer; a February 2026 announcement described another event scheduled for March 6–25, 2026. Neither changes the dates or terms of the October–November 2025 campaign. MEXC’s September 2025 announcement · MEXC’s February 2026 announcement
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- Effortless Asset Management: Monitor and transact seamlessly with Trezor Suite, our intuitive desktop and mobile app
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What to check before considering a later campaign
If MEXC lists another USDT-to-BTC promotion, read that event’s own terms rather than relying on the expired offer’s figures. Verify the campaign dates and whether it is available where you live; required KYC level; staking and reward assets; fixed or flexible term; minimum and maximum deposit; early-redemption rules; whether the rate is estimated; how rewards are calculated and paid; and whether the pool can close early. The terms can differ from campaign to campaign.
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