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Hashi testnet is live on Sui, enabling institutional Bitcoin-backed finance. The platform introduces a Guardian Layer for security and aims to unlock $1
The Hashi testnet has launched on the Sui network, allowing developers and institutions to build and integrate Bitcoin-backed financial applications, aiming to unlock lending, credit, and yield strategies for the over $1 trillion in dormant Bitcoin [1]. This development marks an effort to evolve Bitcoin beyond its role as a store of value by enabling its use as programmable collateral in transparent credit markets [1].
| At a glance | |
|---|---|
| Platform | Hashi testnet on Sui |
| Purpose | Institutional Bitcoin-backed lending and finance |
| Key Feature | Guardian Layer for enhanced security |
| Catalyst | Unlocking dormant BTC for programmable credit markets |
The Hashi testnet launch on July 22, 2026, allows over 25 partners and new builders to test Bitcoin infrastructure ahead of its mainnet release [1]. The platform is designed to facilitate institutional Bitcoin lending, borrowing, and credit origination on Sui, with technical documentation and resources immediately available [1]. A key component, the Guardian Layer, is a new security architecture designed to help institutions manage Bitcoin collateral securely while maintaining on-chain transparency and programmability [1]. This layer uses a 2-of-2 multisig requiring signatures from Hashi validators and a guardian, adding protection against malicious activity [1].
This initiative addresses the challenge of safely deploying native BTC into transparent, programmable credit markets, a capability that has largely been absent [1]. Legal firm Fenwick concluded that Hashi’s deposit and redemption mechanics should not constitute taxable events under U.S. tax law, which could encourage institutional participation [1]. Mysten Labs, a contributor to Sui, states that Hashi provides the infrastructure for deep credit, lending, and liquidity markets for Bitcoin, similar to other major asset classes [1].
The return of crypto lending is reshaping how risk is priced and managed, moving away from the opaque yield platforms that failed in the previous market cycle [2]. Hashi’s approach, with its Guardian Layer and focus on institutional security, aligns with a broader market shift towards more structured and transparent lending [1, 2]. Some new platforms, like Arch Lending, are rebuilding around tighter controls, requiring borrowers to post crypto collateral held in qualified custody with upfront loan terms [2]. This model aims to provide liquidity to long-term holders without triggering taxable events or losing exposure, contrasting with previous models built on rehypothecation and commingled assets [2].
Other approaches, such as those from Fira Money and Usual, break lending into smaller components, allowing users to choose markets based on specific collateral, loan-to-value ratios, and risk parameters [2]. Hashi’s ecosystem includes a range of partners, from custodians like BitGo and Ledger to liquidity providers such as Bullish and Cumberland, and DeFi protocols like Navi and Scallop [1]. Wave Digital Assets has committed to tokenizing Bitcoin-yield-bearing bond products on Sui using Hashi, reinforcing the view that programmable Bitcoin fixed-income markets are ready for institutional adoption [1].
The Hashi testnet represents a significant step in enabling Bitcoin’s utility beyond a store of value, aiming to integrate it into institutional finance through secure and transparent lending mechanisms.
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Crypto Lending works by allowing investors to deposit digital assets into a platform or protocol where they are pooled and lent to borrowers. In exchange for providing these assets, investors earn interest or crypto dividends until they choose to remove their funds from the protocol.
The primary risks of Crypto Lending include the lack of federal regulatory protections, potential security vulnerabilities or hacks on platforms, and the possibility of platform bankruptcy. Additionally, market volatility can lead to unanticipated margin calls if the value of the collateralized assets drops significantly.
Crypto Lending differs from traditional bank loans because it uses cryptocurrency instead of cash or property as collateral and is typically issued by third-party platforms rather than regulated banks. While Crypto Lending often lacks the federal protections afforded to traditional financial institutions, it provides similar mechanisms for interest-bearing deposits and secured borrowing.
Centralized Crypto Lending platforms operate like traditional intermediaries, where a company manages custody, sets interest rates, and assumes counterparty risk. Decentralized Crypto Lending platforms utilize blockchain-based smart contracts to automate the process peer-to-pool, removing the need for a central authority to manage the loan.