Bitcoin holders are increasingly looking at ways to access liquidity without selling their assets, with one strategy gaining attention across the crypto market.
The setup involves depositing Bitcoin as collateral, borrowing stablecoins such as USDT at a relatively low rate, then deploying those borrowed funds into yield-generating products. If the borrowing cost remains below the return earned elsewhere, users can capture the difference.
One example being discussed in the market involves depositing BTC on Liquidium, borrowing USDT at around 0.8 per cent, then moving those funds into Spark, where yields on stablecoins have recently been closer to 3.4 per cent. If those rates remain steady, the spread could work out at roughly 2.6 per cent.
The appeal is straightforward. Investors keep exposure to Bitcoin while putting some of their capital to work elsewhere. For long-term holders who do not want to sell during volatile periods, borrowing against BTC can provide access to liquidity without reducing their position.
Spark has become one of the larger DeFi lending platforms in recent years, offering borrowing and savings products tied to the Sky ecosystem, formerly known as MakerDAO. The platform supports assets such as wrapped Bitcoin, ETH and stablecoins, with stablecoin yields often sitting in the low single digits depending on market conditions.
The strategy, however, is far from risk free.
Borrowing against Bitcoin introduces liquidation risk. If BTC falls sharply, the value of the collateral can drop while the size of the loan remains unchanged. That can push the loan-to-value ratio higher and eventually trigger forced liquidation if the position becomes too stretched. Conservative borrowing levels are widely seen as the safest approach, with many traders preferring to stay well below the maximum loan-to-value threshold.
Rates can also shift quickly. Borrowing costs on lending platforms move with demand, while stablecoin yields can rise or fall depending on market conditions. That means a profitable spread today may narrow or disappear altogether in a different environment. Recent spikes in stablecoin borrowing demand have already pushed some DeFi lending rates above 10 per cent during periods of strong leverage demand.
Community discussions around BTC-backed lending often stress that active management is essential. While the approach can offer a way to earn extra return without selling Bitcoin, users still need to monitor their collateral levels, interest rates and liquidation thresholds closely.
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