Building on this momentum, Circle is launching cirBTC to enable institutions to put $BTC to work on-chain. As a 1:1 wrapped $BTC token, cirBTC will enable $BTC to be used in lending, borrowing, and overall settlement. The key takeaway? It would allow all this without requiring holders to unwind their underlying Bitcoin exposure.
Combined, Tether’s $USDT and Circle’s cirBTC launches are indicative of a broader increase in stablecoin and $BTC liquidity on-chain. So, if this liquidity growth persists and stablecoin supply increases in tandem, could deeper DeFi flows define Bitcoin’s Q4 momentum.
Stablecoin growth sets up a liquidity test for Q4
To get a better sense of the implications of this trend, let’s take a step back.
Per RWA Foundation’s report, stablecoin liquidity concluded Q3 on a positive note. Specifically, $USDC gained $881 million over 90 days, the largest increase among the major stablecoins. RLUSD followed with $765.3 million in deposits, while the United States’ U gained $474.2 million and USDe gained $419.1 million.
The primary lesson to be learned from these figures is that Circle is continually expanding its liquidity footprint, which makes the upcoming cirBTC launch more intriguing. At the same time, Circle’s recent pivot toward MiCA compliance could boost its status on the European market, providing the company with a powerful edge in the region and an additional source of liquidity for $USDC.

Therefore, if $USDC liquidity continues to grow, cirBTC may serve as another channel for capital to flow into Bitcoin and DeFi, making it a significant development to watch in the fourth quarter.
In addition to the above, Tether’s re-introduction of $USDT to the Bitcoin network is also a positive sign in that regard. With improved liquidity, both at a macro level and on-chain, this is likely to create demand for Bitcoin and catalyze the Q4 momentum.
Final Summary
- Stablecoin liquidity is growing as $USDC, $USDT, and cirBTC expand on-chain.
- More liquidity could bring stronger Bitcoin demand in Q4.
