Cardano’s “Cardinal” Brings Bitcoin DeFi to ADA Ecosystem with Secure Wrapping

What happened:

Cardano has introduced Cardinal, its first Bitcoin-focused DeFi protocol. It wraps Bitcoin UTXOs into pegged tokens that allow BTC holders to stake, lend, or borrow directly on Cardano, leveraging cross-chain functionality without custodial exposure. The protocol uses MuSig2 multisignature schemes for secure peg-in and peg-out, maintaining the original BTC locked safely. Bitcoin Insider+1

This news lifted ADA’s trading volume to over US$700 million within 24 hours of the announcement, as traders responded to the expanded utility. Bitcoin Insider+1

Why it matters:

• Bridges the Bitcoin and Cardano ecosystems in a non-custodial way, offering more DeFi options to BTC holders.
• Expands Cardano’s utility beyond its native assets, positioning it as a deeper DeFi hub.
• Non-custodial and cross-chain trust minimizes risk, but technical complexity and security of wrapping is crucial.

What Xoibit Users Should Do / Watch:

• If trades or staking of Cardinal-wrapped BTC become available, evaluate security, ease of use, and liquidity.
• Compare wrapping/deposit/withdrawal fees and delay.
• This kind of cross-chain DeFi expansion may become a trend — exchanges that list such wrapped assets early may attract users.