Tether's USDT momentarily surpassed Ethereum in market capitalization on June 6, marking the first time in history a stablecoin has held the second-largest position in the crypto market. The crossing was driven by a sharp decline in ETH's price combined with the continued expansion of USDT's circulating supply. ETH has since reclaimed its spot as the second-largest cryptocurrency by market cap.
Why it matters
The inversion, however brief, is a structural signal worth noting. USDT's market cap growth reflects sustained demand for dollar-denominated liquidity on-chain — a trend that has been building for months as stablecoin adoption expands across DeFi, cross-border payments, and emerging-market use cases. The fact that a single-asset price drawdown in ETH was enough to trigger the crossing underscores how close the gap between the two had already become.
Market impact
For Ethereum holders, the episode is a reminder of how sensitive ETH's market cap ranking is to price volatility relative to supply-driven assets like USDT. The quick recovery suggests the market views the inversion as transient rather than structural. Still, if ETH price pressure persists or USDT supply continues to grow, the gap could narrow again — making the second-place ranking one of the more closely watched metrics in the near term.
Source: [source](http://telegraph.controller.bot/files/8336652911/AgACAgIAAxkBAAI4dWomiij1aZvhg4zcLHarh49B25S2AAKeGGsbqkswSRilol2QeG-EAQADAgADeQADOwQ)
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