The Sui Foundation has introduced Hashi, a new decentralized primitive built on Sui to bring native bitcoin (BTC) into onchain financial services. Announced on March 19, 2026, the project is designed to create compliant BTC-backed lending and yield opportunities for both institutional and retail users. The initiative enters devnet with backing from major industry players including BitGo, Bullish, FalconX, and Ledger, signaling a broader effort to unlock capital efficiency in the roughly $1.4 trillion bitcoin market.
Turning Idle Bitcoin Into Productive Collateral
Hashi is built around a simple but important value proposition: allowing users to borrow against bitcoin or generate yield from it without selling the underlying asset. That approach addresses a longstanding need in crypto markets, where many holders want access to liquidity while maintaining BTC exposure. By positioning bitcoin as usable collateral inside decentralized financial rails, Sui is aiming to expand the set of financial tools available to long-term holders.
According to the announcement, Hashi combines multi-party computation (MPC) with the ERC-3643 standard to support compliant lending structures. The emphasis on compliance suggests that the product is not only targeting crypto-native users but also institutions that require stronger controls, identity-aware frameworks, and more formalized asset handling before participating in onchain credit markets.
Institutional Infrastructure at the Center
One of the most notable aspects of the launch is the roster of participants aligned with the platform. Custody and trading firms such as BitGo, Bullish, and FalconX, along with hardware wallet maker Ledger, have committed to the initiative. The source material also states that FalconX, Bullish, and Erebor Bank are expected to provide BTC and stablecoin liquidity at launch, creating the initial foundation for lending activity.
This institutional participation matters because bitcoin-backed lending products often struggle to scale without reliable sources of deep collateral and funding liquidity. By bringing in established market infrastructure providers early, Hashi appears to be positioning itself as a bridge between conservative capital and decentralized execution environments.
Security, Insurance, and Formal Verification
Security is a central theme in the Hashi rollout. The protocol is described as using MPC to protect institutional bitcoin collateral, while also adding institutional-grade insurance through Soter. In addition, security firms including Certora have conducted formal verification, a process intended to mathematically validate smart contract behavior and reduce the risk of logic flaws.
For a product built around bitcoin collateral, those safeguards are especially important. Institutions evaluating onchain lending venues usually focus on custody design, collateral isolation, smart contract assurance, and downside protection. By combining insurance and formal verification, Hashi is clearly trying to reduce key barriers that have historically limited institutional participation in DeFi-style credit products.
From Devnet to Mainnet Expansion
The current release marks the devnet phase, but the roadmap extends beyond a test deployment. After devnet, Hashi is expected to move to mainnet, where additional financial products are already being planned. One example highlighted in the source is Wave Digital, which intends to issue secured and rated bonds collateralized by bitcoin. That detail suggests the Hashi framework could become more than a lending primitive and instead evolve into a broader issuance layer for BTC-backed capital markets products.
If that vision materializes, Hashi could provide a structure for packaging bitcoin collateral into instruments that are easier for professional investors to evaluate. In that sense, the platform may not only deepen DeFi liquidity on Sui but also create a new route for merging digital asset collateral with more familiar institutional product formats.
Retail Access Through Native Sui Protocols
While institutional adoption is a major part of the story, the platform is not being framed as exclusive to large investors. The source notes that native Sui protocols such as Navi and Scallop plan to offer immediate access to BTC-backed stablecoin loans for the wider community. It also states that local protocols including Alphalend and Suilend are expected to make Hashi-powered lending available to retail users.
This dual-track model—institutions providing infrastructure and liquidity, while crypto-native applications distribute access—could prove meaningful if execution goes smoothly. It gives Sui a way to present Hashi as both institutional-grade infrastructure and a consumer-facing DeFi building block.
A Strategic Push for Bitcoin Liquidity on Sui
Adeniyi Abiodun, Co-Founder and CPO of Mysten Labs, described Hashi as a tool that unlocks new design space for developers seeking to access trillions of dollars in BTC liquidity. That framing reflects a wider market trend: rather than treating bitcoin solely as a passive store of value, more networks are competing to turn BTC into active collateral for borrowing, stablecoin issuance, and yield generation.
For Sui, Hashi represents a strategic attempt to attract value from outside its native ecosystem by anchoring growth around bitcoin, the largest crypto asset by market capitalization. If the platform can successfully combine compliance, institutional trust, deep liquidity, and developer adoption, it could strengthen Sui’s role in the next phase of BTC financialization.
At this stage, the project remains in devnet, so the real test will be whether its promised liquidity, security model, and downstream integrations translate into meaningful usage on mainnet. Even so, the early structure of the launch makes clear that Hashi is being positioned as foundational infrastructure for bringing bitcoin-based credit markets onto Sui in a more scalable and institutionally acceptable form.