- Sui Foundation’s integration of sBTC and validator role on Stacks amplifies Bitcoin’s decentralized finance use without intermediaries.
- Sui’s total value locked surged 50% to $1.8 billion, with Bitcoin-backed assets and stablecoin flows driving rapid ecosystem growth.
The Sui Foundation has made a major step by revealing its sBTC integration and opening for business as a validator on the Stacks Network. The integration solidifies Sui as a fast-emerging force in institutional-grade Bitcoin DeFi and sets the path for a new wave of Bitcoin-backed decentralized finance opportunities.
sBTC is coming soon on Sui!
Holders of the 1:1 programmable Bitcoin asset can earn yield, lend, and trade their BTC via sBTC, bridging two worlds into one.
With @Stacks‘ sBTC, the Sui ecosystem has even more ways to tap into the $2T in BTC liquidity for DeFi — fast,… pic.twitter.com/u6qcpTG2vX
— Sui (@SuiNetwork) May 1, 2025
With this integration, sBTC will allow Bitcoin holders to access decentralized finance through a one-to-one Bitcoin-backed asset. Importantly, this asset operates without centralized intermediaries, ensuring BTC holders can deploy their coins in yield-generating apps while keeping the trustless integrity of Bitcoin fully intact.
The underlying technology to this paradigm shift is sBTC’s decentralized design on Stacks—a layer-2 protocol layering smart contracts on top of Bitcoin. By taking advantage of its object-based design and parallel transaction scheme, Sui supports high throughput in transactions, providing new Bitcoin DeFi use cases with scalability.
Bitcoin DeFi Sees $6.5 Billion Locked as Sui’s Role Expands
The demand for Bitcoin-focused DeFi is increasing rapidly. During just a single year in 2024, protocols connected to Bitcoin DeFi locked more than $6.5 billion of capital, showing demand for on-chain utilities for Bitcoin is definitely anything but a niche market. Sui has reflected this trend itself by increasing its total value locked (TVL) 50% in only a month so far, to a total of $1.8 billion through late April.
Close examination shows a revealing pattern: over 10% of Sui’s TVL has its roots in Bitcoin and Bitcoin-backed assets. The surge in these assets shows a strong move towards making Bitcoin a more active participant in the decentralized finance sector.
Meanwhile, Sui’s stablecoin flows have also skyrocketed to a new record of $892 million by May 2. The surge supports the network’s liquidity pool even more and sets it firmly as a top destination for institutions and developers looking for top-performing blockchain infrastructure.
Strong Institutional Partnerships Accelerate Sui’s Vision
The significance of this integration is amplified by Sui becoming a new validator for Stacks, representing a deeper integration with Bitcoin’s underlying security protocols. This commitment signifies Sui is not only integrating Bitcoin assets but is also contributing to protecting the larger Bitcoin ecosystem.
Adeniyi Abiodun of Mysten Labs pointed to the wider ambition:
For too long, BTC has been treated as a passive asset; sBTC on Sui means holders can earn yield, participate in DeFi, and stay true to Bitcoin’s trustless ethos—all on Sui, a blockchain built for performance and scale.
Institutional interest remains steadfast, fueled by Grayscale’s issuance of SUI Trust, offering qualified investors direct access to Sui tokens. Sui’s network also extended its presence in Europe through an arrangement with xPortal and xMoney, merging SUI into a Mastercard-enabled virtual card.
Key Collaborations Strengthen Sui’s BTCfi Ecosystem
Earlier this year, several critical collaborations were formed to strengthen Sui’s Bitcoin DeFi presence. Sui has partnered with Babylon, Lombard Finance, Blockaid, and Cubist to improve its BTCfi services and build a developer ecosystem around Bitcoin-backed decentralized finance.
Another strategic partner is SatLayer, a restaking platform for Bitcoin. It cooperates with Sui to bring greater liquidity and security to Bitcoin assets. The moves are a clear reflection of Sui’s strategy to surround itself with top institutional and developer partners in its effort to scale its Bitcoin DeFi business.
Stacks founder Muneeb Ali said that sBTC is the most secure, most decentralized way to make Bitcoin a productive asset, praising Sui’s technological prowess and its rate of uptake throughout DeFi.
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