Track market-moving stories before they get noisy

2026.04.20 09:49:47

Saturday, April 20 — The LayerZero cross-chain bridge for rsETH (a liquidity re-staking token from Kelp DAO) was hacked, marking the largest DeFi hack of 2026 to date. The attacker forged LayerZero cross-chain messages to withdraw 116,500 rsETH directly from the bridge contract, then deposited the tokens into Aave and other lending platforms to borrow WETH—creating significant uncollateralized bad debt risk. Below is a roundup of responses from major DeFi protocols to the rsETH hack: Aave has shared an update on the rsETH incident: rsETH on the Ethereum mainnet is fully collateralized. The token remains frozen on Aave V3 and V4, while WETH reserves are frozen in affected markets including Ethereum, Arbitrum, Base, Mantle, and Linea. Aave is actively verifying details and evaluating potential resolutions. Ethena has officially extended the suspension period for its LayerZero OFT cross-chain bridge. Additionally, the protocol released updated reserve proofs confirming its USDe stablecoin maintains a collateralization ratio above 100%. LayerZero stated it has fully grasped the rsETH vulnerability and has been collaborating with the Kelp DAO team on fixes since the hack occurred, while continuously monitoring the situation. All other applications remain secure, and the protocol will publish a comprehensive post-incident analysis report alongside Kelp DAO once all relevant information is compiled. Fluid announced the launch of its aWETH redemption protocol, which enables ETH borrowers to: redeem for wstETH or weETH (restoring liquidity immediately and reducing liquidation risk); redeem in full if they only borrowed ETH; or seamlessly convert ETH collateral to wstETH/weETH while keeping other debts intact. The protocol’s initial capacity is capped at $1 billion worth of ETH. Morpho has temporarily suspended its MORPHO LayerZero OFT cross-chain bridge on Arbitrum until the root cause of the rsETH incident is identified. The protocol noted its smart contracts are secure and operating normally; risk exposure is limited (only ~$1 million worth of ETH was borrowed using rsETH as collateral, spread across two isolated markets out of thousands total). Thanks to Morpho’s fully isolated market design, all other vaults remain unaffected. Curve Finance announced it has suspended its LayerZero infrastructure, impacting: CRV bridging from BNB, Sonic, Avalanche, Fantom, Etherlink, and Kava (bridging from other chains still uses native bridges); and crvUSD quick bridging (L2 slow bridging remains operational). Reserve issued an official update: Its DTF holders are unlikely to be affected. RSR stakers in the Reserve Protocol’s USD3 and eUSD may qualify for "first-loss capital" protection, though the impact is minimal and RSR’s overcollateralization is sufficient to cover any potential losses. ETH+ and bsdETH contain no rsETH collateral, making them zero-risk. As a precaution, Reserve has temporarily paused minting, rebalancing, and RSR unstaking for eUSD and USD3—redemption functionality remains operational. Maple Finance stated all USDT provided on Aave Mantle using syrupUSDT has been withdrawn. Its syrupUSDC and syrupUSDT products are not impacted by the rsETH exploit. Polygon has been actively monitoring the rsETH exploit. The Polygon chain, Agglayer, and entire ecosystem (including Katana and Vaultbridge) have not been impacted by the incident. EtherFi announced its protocol’s liquidity pool remains unaffected by the Kelp rsETH exploit, and pool users will not suffer any fund losses. Hyperliquid’s DeFi project Hyperwave announced it has temporarily suspended all LayerZero bridging of Hyperwave assets as a precautionary measure.

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Nick Sawinyh on 17 May 2026

Fluid cleaned up its share of the Resolv USR exploit bad debt the way a fast-moving team does: a single multisig pulled roughly $8M of USDC and USDT out of the shared liquidity layer through a pre-approved credit line, swept thousands of scattered bad-debt positions into one address, and balanced the books. The matching $8.2M treasury commitment that’s supposed to repay the credit line is locked in restricted positions that need a governance vote to unlock. That vote was posted to the forum days later, with the on-chain action already done.

The protocol stayed solvent. No user deposit was touched. TVL is holding around $970M. The cleanup worked.

Then an on-chain researcher started pulling the transaction trail apart, and the story stopped being about Resolv.

It is May 17, 2026 as I write this. The governance proposal is still being debated, the on-chain criticism is still landing on X, and the numbers below will keep moving for a while yet. The structural argument underneath them is what this piece is about.

Fluid is the lending-and-DEX protocol that grew out of InstaDapp, now operating under its own FLUID token and DAO. The architectural premise is a single shared liquidity layer that every Fluid subprotocol (lending vaults, DEX, DEX Lite) borrows from, rather than maintaining its own siloed pools. Suppliers deposit assets once and earn from utilization across every market that draws on the layer.

That design has obvious capital-efficiency upside. It also concentrates risk in a specific way: subprotocols that can pull from the layer hold permissioned credit lines, and a Guardian multisig can pause access in an emergency. The team multisig is the load-bearing piece in that setup.

The credit line at the center of this story was originally approved by governance for Fluid DEX Lite, a gas-optimized swap router launched in August 2025 that uses the liquidity layer as its inventory source. It is a permissioned, uncollateralized facility: an approved address can draw USDC and USDT out of the shared pool against the protocol’s credit rather than against posted collateral. In May 2026, the team multisig drew on this same facility to consolidate bad-debt positions left behind by the Resolv depeg.

The Underlying Incident: A Quick Recap In late March 2026, an attacker compromised Resolv Labs’ off-chain signing infrastructure and minted approximately 80 million unbacked USR through a broken completeSwap() flow. USR depegged hard, and roughly $25M of extracted value got dumped through DEX liquidity. The full breakdown is in our Resolv USR exploit post.

Fluid had about $100M of USR exposure when the depeg hit, mostly through lending markets where USR and its wrapped variants were supplied as collateral against USDC and USDT borrows. When USR collapsed, ~$21M of positions went underwater and turned into bad debt sitting against the protocol. Fluid’s own contracts were not exploited. Oracles, pricing logic, and validation were upgraded immediately after the incident. The damage was downstream of a counterparty failure, not internal.

On May 12, 2026, Fluid announced the resolution. The $21M loss was split three ways:

Resolv: ~$9.7M (the issuer absorbing the largest share) Fluid governance treasury: ~$8.2M Fluid core team: ~$1.5M, reimbursed from future protocol revenue Roughly $19.3M was repaid in full, with the team fronting its $1.5M slice in cash now and the protocol committed to reimbursing it from future revenue. The remaining malicious USR was burned at the contract level; healthy positions remained redeemable directly via Resolv.

The split itself was uncontroversial. Most observers treated it as a pragmatic outcome that kept users whole. The fight that broke out this week is about how the treasury’s $8.2M share got onto Fluid’s balance sheet on-chain.

The Proposal on the Table On May 11, 2026, the Fluid team posted “Post-Mortem, Treasury Actions, and Forward Strategy Following Resolv Incident” to the governance forum. It bundles four things:

A formal post-mortem of the Resolv incident, including the loss split. Treasury actions for the $8.2M contribution: transferring the treasury’s full balance of iETHv2 deposit tokens, plus ancillary positions like fGHO, from the treasury’s DeFi Smart Account to the team multisig so the multisig can liquidate them and repay the credit line it drew against the liquidity layer. Financial restructuring: an immediate halt to FLUID buybacks (the program had bought back roughly 1.3% of supply and was judged ineffective for price support), a significant reduction in FLUID emissions, and a four-month suspension of the $250k/month Foundation grant covering March through June 2026. Security and roadmap changes: a detailed oracle overhaul (per-key pricing, multi-leg feeds, deviation checks, per-token pause bits, sequencer-uptime guards on L2), legal agreements with asset issuers for enforceable claims in depeg scenarios, a delay on the DEX v2 launch, continuation of the Solana DEX v1 launch (~6 weeks out, audits wrapping), and a forward product slate that includes Liquidity-as-a-Service, fixed-rate borrowing, custodied collateral, and institutional onboarding. The proposal does not introduce new spending. It formalizes the asset movements needed to settle a position the team multisig already opened. As of writing, the forum thread has minimal direct engagement; the live debate has migrated to X.

What Actually Happened On-Chain The critique that ignited the past two days came from on-chain researcher @jpn_memelord, who walked the transactions and posted a step-by-step thread. The mechanics below are reconstructed from that thread and the founder’s reply on X; addresses called out in the original posts can be cross-checked against any Ethereum explorer.

The Resolv depeg left ~$8M of bad debt spread across thousands of individual lending positions on Fluid (collateral marked down faster than the loans against it). Cleaning this up position-by-position would have been slow, expensive in gas, and visible to users on a market-by-market basis. The team multisig instead drew USDC and USDT directly from the liquidity layer, using the pre-approved DEX Lite credit line, and consolidated the bad debt into a single address. The thousands of small unhealthy positions were repaid; one large debit sat against the multisig instead. The treasury’s own assets (the iETHv2 deposits and ancillary positions described in the proposal) were not immediately accessible at full value. iETHv2 sits in a vault currently subject to restrictions that effectively require governance action to fully liquidate. The treasury’s liquid balance was closer to $5.3M than the headline $8.2M figure. The May 11 proposal is the governance step that resolves that mismatch: move the restricted treasury assets to the multisig so they can be unwound and used to repay the credit line. The critique was never that any of this was hidden. The on-chain footprint was visible from the first block. The objection is that the credit-line draw happened before the governance vote that authorizes it. Until the treasury assets are unlocked and applied, the outstanding balance against the liquidity layer effectively sits on the shoulders of USDC and USDT suppliers, whose deposits are the source of the funds the multisig used.

Critics argue this constitutes a change in the risk profile that suppliers signed up for: they consented to lending into a credit facility scoped to DEX Lite expansion, not to short-term bad-debt cleanup. Net-neutral over the lifetime of the operation, yes. Risk-neutral at every point along the way, less obviously.

Why the Treasury Wasn’t Simply Available Much of the X argument turns on a detail that’s easy to miss: a DAO treasury denominated in productive assets is not the same thing as a treasury denominated in cash.

Most of Fluid’s treasury value sits in iETHv2 deposit tokens, claims against an ETH position in one of Fluid’s v2 lending vaults. That position was earning yield, which is the whole reason it was structured that way. But a deposit token isn’t a stablecoin you can hand over to repay USDC and USDT borrows; it has to be redeemed through the vault, and per the proposal that withdrawal path is currently restricted and needs governance unlock. Smaller positions like fGHO need to be converted to GHO and then routed.

You can defend either of two positions here.

Position A (team): pre-positioning treasury in productive assets is good capital management; nobody anticipated needing to pull eight figures of liquid stables in a hurry; the credit line was the cleanest tool to bridge the gap until governance can unlock the assets formally. Net effect: nothing leaves the protocol, the books balance, users are protected, and the multisig is acting as an intermediary on its own balance sheet rather than spending fresh money.

Position B (critics): a treasury that requires governance unlock to be deployed in an emergency is, for the duration of that unlock, closer to a designated future contribution than to ready cash. The $8.2M headline figure overstated what was actually available. Using a DEX-Lite-scoped credit facility to paper over the gap stretched the definition of “pre-approved” past what suppliers had reason to expect.

Both positions are defensible. The interesting question is which one the precedent set this week will look like, twelve months from now, when the next emergency lands.

The Founder’s Pushback Fluid founder Samyak Jain (@smykjain) responded on X, and the team-account @0xfluid backed the framing. The argument, in short:

The credit-line draw was internal accounting, not new spending. The multisig consolidated bad debt; assets balanced out at the protocol level; the move did not extract money from the system. The governance proposal had been drafted days earlier. The team accelerated its posting in response to the criticism rather than because the underlying plan changed. The DEX Lite credit line was a pre-existing governance grant, and using a multisig with permissioned access for an emergency cleanup was within the scope of how that role was designed. Some of the criticism, in the team’s read, is downstream of rival-protocol community politics rather than substantive risk analysis. The last point tends to land badly in DeFi governance. Accusing critics of bad faith is sometimes correct and almost always counterproductive. The substantive answer (“the multisig consolidated debt, nothing left the protocol”) is stronger on its own.

The Numbers Worth Holding On To Strip out the X noise and there’s a clean set of figures.

Item Value Pre-incident Fluid USR exposure ~$100M Bad debt from Resolv depeg ~$21M Resolv contribution ~$9.7M Fluid treasury contribution ~$8.2M Core team contribution (deferred) ~$1.5M Total repaid up front ~$19.3M Liquid treasury at time of cleanup ~$5.3M Treasury assets requiring governance unlock bulk in iETHv2 + ancillary fGHO Credit-line draw from liquidity layer ~$8M in USDC + USDT Foundation grant suspended $250k/month × 4 months FLUID supply previously bought back ~1.3% Current TVL ~$970M FLUID price drawdown from ATH ~93% from $24.40 The two figures that should make a careful reader pause are the liquid treasury balance ($5.3M) versus the headline treasury contribution ($8.2M), and the credit-line draw of roughly $8M in USDC and USDT against the liquidity layer. The first says the treasury was smaller than the announcement implied. The second says the gap was bridged through a pre-existing credit facility rather than a fresh authorization. Everything controversial about this story sits between those two numbers.

What This Says About DeFi Governance There’s a recognizable shape here, and we’ve written about it before in Aave’s governance crisis and the broader question of how decentralized “decentralized governance” actually is. An operationally competent core team holds the keys that matter. An emergency creates time pressure. The team acts. The formal process catches up afterward. And the resulting argument is about whether “catches up afterward” counts as governance at all.

The structural tension is real and not unique to Fluid. Modern DeFi protocols are not, in practice, governed by 14-day voting cycles on every operational decision. They are governed by a thin layer of permissioned roles that can move quickly, sitting on top of a broader DAO that ratifies, audits, or revokes those roles. The argument is over how thin that layer should be, what triggers it has to clear before acting, and how much of the post-facto ratification can be drafted by the same people who took the action.

A few honest observations:

The pragmatic case is strong. Distributed governance is slow. An $8M cleanup that requires a 14-day Snapshot vote is an $8M cleanup that gives the market 14 days to short the FLUID token and short USR-adjacent assets, while bad debt accrues interest on the protocol’s side. The team’s instinct to consolidate and balance the books before the news cycle peaked is operationally defensible. The transparency case is also strong. USDC and USDT suppliers consented to a credit facility scoped to one purpose. Repurposing it for another, even with the intent to repay, broadens what “permissioned access” can be used for without consulting the people whose deposits sourced the funds. Future suppliers will price that ambiguity into the yield they demand, or simply route capital elsewhere. Precedent compounds. If “pre-approved credit line, drawn by multisig, ratified later” lands as an acceptable emergency procedure, the boundary of acceptable emergency procedures has moved. The next protocol facing a similar choice can point at this one. Norms drift that way, one defensible decision at a time. Neither side of this debate is obviously stupid. Both are arguing about a real trade-off that hasn’t been satisfactorily resolved anywhere in DeFi.

Uncomfortable Questions Why did the team multisig hold this much operational authority in the first place? Pre-approved credit lines for specific subprotocols are not unusual. Pre-approved credit lines that can be repurposed for ad-hoc cleanup are a different category. If the answer is “the role was always intended to cover emergencies,” the role’s documented scope should say so. If the answer is “the scope was narrow but we used it broadly under stress,” that’s worth saying explicitly.

What is the actual unlock mechanism for iETHv2? The proposal references restricted treasury assets but does not detail the mechanics that prevent immediate access. For depositors and suppliers trying to reason about how much of any DAO treasury is genuinely available in a crisis, that mechanism matters more than the headline number on the dashboard.

Where does the precedent end? Could the same credit line be drawn against tomorrow for an emergency that the DAO would not have authorized in advance? The team’s answer is no, but the answer that matters is the structural one: what stops it?

How does this interact with the Fluid Foundation proposal? Fluid is in the middle of transferring IP and protocol assets to a Cayman Islands foundation, with InstaDapp employees on the board, governed by DAO votes. The foundation is the legal entity that will eventually hold the multisig keys. If the practical pattern is that the team acts and the DAO ratifies, the foundation structure makes that pattern legally cleaner, not more constrained. That’s either a feature or a problem depending on which side of this week’s argument you’re on.

What is the right design for emergency capital? The useful medium-term outcome of this incident would be a structured emergency facility: capped in size, scoped explicitly to bad-debt cleanup, refilled by a defined rule, and ratifiable in a single short vote. A facility like that would let future cleanups happen without re-litigating the boundaries of pre-approved roles every time. Whether the team or the community drives that work is itself a governance question.

What’s Likely to Happen Next The governance proposal will probably pass. The treasury actions described in it are the cleanest path to closing the credit-line draw and restoring the books to a fully governance-ratified state. Rejection would force a new proposal and leave the credit line drawn against the liquidity layer in the interim, which is a worse outcome for the suppliers the critics are nominally defending.

The buyback pause, emissions cuts, and Foundation grant suspension will likely face less debate. Pulling sell pressure off the token while confidence is fragile is what most protocols do after a drawdown like this. The four-month grant suspension also cuts near-term spending while the treasury rebuilds, which is part of why it’s easy to ratify.

The DEX v2 delay is a tell. DeFi spent April watching the KelpDAO rsETH exploit drain $292M out of Aave through a single forged LayerZero packet, and confidence in cross-protocol composability hasn’t fully rebuilt. Postponing a major DEX launch into that backdrop reads as cautious market timing, not a Fluid-specific weakness.

The longer-term consequence is harder to see. Fluid’s core product fundamentals are intact: the shared liquidity layer, the lending markets, the DEX integration. The protocol absorbed a nine-figure indirect hit from an upstream counterparty and emerged solvent, with users whole and TVL stable. That is a real engineering and operational achievement.

But the part that fed this week’s argument is not unique to Fluid and will not be the last time we see it. Speed versus process, permissioned credit lines used for purposes broader than their origin envisioned, governance votes that follow rather than precede the action they authorize. The next protocol to hit this kind of incident will look at how Fluid handled it, see that the cleanup worked, and either copy the playbook or build the structured emergency facility that makes the playbook unnecessary.

Which way that goes is the actual governance question. The proposal posted on May 11 only settles whether the iETHv2 actually moves.

Grand Cayman, Cayman Islands, June 23rd, 2026, Chainwire

Sui aims to transition more of Bitcoin’s $1.2T market cap into verifiable, productive onchain products.

Hashi, Sui’s native bitcoin finance primitive, gains more institutional support ahead of the scheduled launch of its global testnet this July.  

Sui, where money moves as freely as messages, announced today that Cumberland, Fluid, and SwissBorg have joined the Hashi ecosystem, Sui’s native bitcoin finance primitive, weeks ahead of its scheduled global testnet launch this July. The expanding coalition addresses a critical bottleneck in crypto: solving the persistent capital inefficiency by unlocking over a trillion dollars of immobile BTC into DeFi safely.

Previous market cycles demonstrated the systemic dangers of relying on opaque, centralized credit intermediaries such as Celsius, Voyager, and Genesis to generate utility from dormant assets. Hashi replaces centralized balance-sheet trust with verifiable smart contract logic.

But with a strict separation for safety by design, Bitcoin remains securely on the native Bitcoin blockchain. Sui smart contracts handle the cryptographic and programmatic rights to enable its use as financial collateral.

“Hashi was built to unlock the productive use of Bitcoin at a scale the industry hasn’t seen before,” Adeniyi Abiodun, Co-Founder and Chief Product Officer of Mysten Labs, the original contributor to Sui. “We believe Bitcoin will become one of the largest sources of collateral in finance as the world moves onchain, and Hashi provides the foundation to make that possible on Sui.”

Built for Institutional Bitcoin Finance

Hashi is a foundational primitive setting a new standard for how builders can create bespoke, Bitcoin-backed financial products with risk parameters and loan terms that are fully verifiable onchain. In just a few weeks’ time, institutions, custodians, wallet providers, and developers can begin freely testing the infrastructure that will support Bitcoin-backed lending, borrowing, and credit origination on Sui.

Expanded Institutional Support

Three new powerhouses join the growing Hashi ecosystem, broadening support for institutional liquidity providers, market makers, and digital asset platforms:

Cumberland: One of the digital asset industry’s largest institutional market makers, Cumberland joins the Hashi ecosystem to evaluate the protocol’s structural frameworks and prepare for eventual onchain liquidity provisioning. SwissBorg: A European wealth management app with over one million users, is exploring opportunities to connect its network of European high-net-worth Bitcoin holders and liquidity providers to Hashi, creating new pathways for Bitcoin-backed borrowing and lending. Fluid: A major DeFi lending protocol with a strong record of efficient, safe trades, is now building in preparation for mainnet institutional services. Fluid’s participation would provide institutional-grade lending markets and deepen access to Bitcoin-backed credit on Sui. These new builders join an industry-leading group of infrastructure providers, custodians, and DeFi protocols already working together to build a native Bitcoin financial ecosystem on Sui.

“Bitcoin is the world’s most liquid digital asset, but without native utility, it remains an off-chain asset,” said Paul Kremsky, Global Head of Business Development at Cumberland. “Hashi is exciting because it introduces a transparent, institutional-grade framework for BTC-backed credit that will replace synthetic workarounds with a product we are excited to use ourselves.”

“Our community has consistently sought native ways to lend and borrow against their Bitcoin,” said Cyrus Fazel, Founder & CEO at SwissBorg. “We’re thrilled to see Hashi delivering innovative solutions that make this a reality.”

“The next phase of the industry’s growth will come from bringing larger pools of capital onchain through infrastructure institutions can actually trust,” said Samyak Jain, Co-Founder & CEO at Fluid. “Hashi gets this right: Bitcoin stays on its native chain while verifiable contracts make it productive as collateral. Fluid’s lending infrastructure is built to turn that into deep, capital-efficient Bitcoin-backed credit markets on Sui.”

These additions expand the growing consensus of many partners announced earlier this year that Sui is where Bitcoin finance will take flight, thanks to Hashi:

Custody & Wallet Access 

BitGo: Institutional custody clients. Blockdaemon, Cobo, Fordefi (by Paxos): Institutional wallet and infrastructure providers. Cubist: Cross-chain collateral infrastructure and transfer engine. Ledger: Retail/institutional self-custody. SwissBorg: UHNW European retail/institutional asset management and wallet interface. Lending, Trading & Liquidity Providers

Bullish: Institutional digital asset platform supplying liquidity. Cumberland: Leading institutional crypto market maker and liquidity provider. Erebor: OCC-chartered bank providing liquidity. FalconX: Institutional prime brokerage supplying liquidity. DeFi & Lending Applications

AlphaLend, Bluefin, Current, Scallop, Suilend: Native DeFi protocols enabling retail lending and borrowing on day one. Fluid: Connecting lending, borrowing, liquidity and more financial products into a capital-efficient system. Navi: One of Sui’s largest and longest running DeFi protocols slated for Hashi lending. Vaults & Asset Management

Concrete by Blueprint Finance: Yield-infrastructure vault platform. Inveniam Capital: Real-World Asset (RWA) yield strategies. Wave Digital Assets LLC: SEC-registered investment adviser working with industry partners to facilitate the issuance of Bitcoin-collateralized bonds. Index Oracle, Insurance & Security Auditing

CF Benchmarks: Crypto index provider distributing pricing data via oracles. Soter Insure: Native, Bitcoin-denominated institutional insurance. Asymptotic, Certora, OtterSec: Smart contract security and formal verification auditors. The activation of the global testnet this July represents the ultimate rehearsal for fully changing Bitcoin Finance. This sandbox environment is designed for institutional engineers, Sui protocols and developers, and custody partners to test integration parameters, stress-test the code under simulated market volatility, and verify cryptographic integrity ahead of mainnet release.

Technical documentation and testnet access configurations will be hosted at https://www.sui.io/hashi.

About Sui

Sui, where money moves as freely as messages, is a next-generation Layer 1 blockchain built for scalable finance and global payments. Founded by the core team behind Meta’s stablecoin initiative and powered by an object-centric model, Sui makes assets, permissions, and user data programmable and ownable. Sui’s primitives offer builders everything they need to create high-performance payments and financial applications, including instant agentic payments. Users can learn more at sui.io.

Contact: [email protected]

Contact Sui Foundation
[email protected]

[PRESS RELEASE – Grand Cayman, Cayman Islands, June 23rd, 2026]

Sui aims to transition more of Bitcoin’s $1.2T market cap into verifiable, productive onchain products.

Hashi, Sui’s native bitcoin finance primitive, gains more institutional support ahead of the scheduled launch of its global testnet this July.  

Sui, where money moves as freely as messages, announced today that Cumberland, Fluid, and SwissBorg have joined the Hashi ecosystem, Sui’s native bitcoin finance primitive, weeks ahead of its scheduled global testnet launch this July. The expanding coalition addresses a critical bottleneck in crypto: solving the persistent capital inefficiency by unlocking over a trillion dollars of immobile BTC into DeFi safely.

Previous market cycles demonstrated the systemic dangers of relying on opaque, centralized credit intermediaries such as Celsius, Voyager, and Genesis to generate utility from dormant assets. Hashi replaces centralized balance-sheet trust with verifiable smart contract logic.

But with a strict separation for safety by design, Bitcoin remains securely on the native Bitcoin blockchain. Sui smart contracts handle the cryptographic and programmatic rights to enable its use as financial collateral.

“Hashi was built to unlock the productive use of Bitcoin at a scale the industry hasn’t seen before,” Adeniyi Abiodun, Co-Founder and Chief Product Officer of Mysten Labs, the original contributor to Sui. “We believe Bitcoin will become one of the largest sources of collateral in finance as the world moves onchain, and Hashi provides the foundation to make that possible on Sui.”

Built for Institutional Bitcoin Finance

Hashi is a foundational primitive setting a new standard for how builders can create bespoke, Bitcoin-backed financial products with risk parameters and loan terms that are fully verifiable onchain. In just a few weeks’ time, institutions, custodians, wallet providers, and developers can begin freely testing the infrastructure that will support Bitcoin-backed lending, borrowing, and credit origination on Sui.

Expanded Institutional Support

Three new powerhouses join the growing Hashi ecosystem, broadening support for institutional liquidity providers, market makers, and digital asset platforms:

Cumberland: One of the digital asset industry’s largest institutional market makers, Cumberland joins the Hashi ecosystem to evaluate the protocol’s structural frameworks and prepare for eventual onchain liquidity provisioning. SwissBorg: A European wealth management app with over one million users, is exploring opportunities to connect its network of European high-net-worth Bitcoin holders and liquidity providers to Hashi, creating new pathways for Bitcoin-backed borrowing and lending. Fluid: A major DeFi lending protocol with a strong record of efficient, safe trades, is now building in preparation for mainnet institutional services. Fluid’s participation would provide institutional-grade lending markets and deepen access to Bitcoin-backed credit on Sui. These new builders join an industry-leading group of infrastructure providers, custodians, and DeFi protocols already working together to build a native Bitcoin financial ecosystem on Sui.

“Bitcoin is the world’s most liquid digital asset, but without native utility, it remains an off-chain asset,” said Paul Kremsky, Global Head of Business Development at Cumberland. “Hashi is exciting because it introduces a transparent, institutional-grade framework for BTC-backed credit that will replace synthetic workarounds with a product we are excited to use ourselves.”

“Our community has consistently sought native ways to lend and borrow against their Bitcoin,” said Cyrus Fazel, Founder & CEO at SwissBorg. “We’re thrilled to see Hashi delivering innovative solutions that make this a reality.”

“The next phase of the industry’s growth will come from bringing larger pools of capital onchain through infrastructure institutions can actually trust,” said Samyak Jain, Co-Founder & CEO at Fluid. “Hashi gets this right: Bitcoin stays on its native chain while verifiable contracts make it productive as collateral. Fluid’s lending infrastructure is built to turn that into deep, capital-efficient Bitcoin-backed credit markets on Sui.”

These additions expand the growing consensus of many partners announced earlier this year that Sui is where Bitcoin finance will take flight, thanks to Hashi:

Custody & Wallet Access 

BitGo: Institutional custody clients. Blockdaemon, Cobo, Fordefi (by Paxos): Institutional wallet and infrastructure providers. Cubist: Cross-chain collateral infrastructure and transfer engine. Ledger: Retail/institutional self-custody. SwissBorg: UHNW European retail/institutional asset management and wallet interface. Lending, Trading & Liquidity Providers

Bullish: Institutional digital asset platform supplying liquidity. Cumberland: Leading institutional crypto market maker and liquidity provider. Erebor: OCC-chartered bank providing liquidity. FalconX: Institutional prime brokerage supplying liquidity. DeFi & Lending Applications

AlphaLend, Bluefin, Current, Scallop, Suilend: Native DeFi protocols enabling retail lending and borrowing on day one. Fluid: Connecting lending, borrowing, liquidity and more financial products into a capital-efficient system. Navi: One of Sui’s largest and longest running DeFi protocols slated for Hashi lending. Vaults & Asset Management

Concrete by Blueprint Finance: Yield-infrastructure vault platform. Inveniam Capital: Real-World Asset (RWA) yield strategies. Wave Digital Assets LLC: SEC-registered investment adviser working with industry partners to facilitate the issuance of Bitcoin-collateralized bonds. Index Oracle, Insurance & Security Auditing

CF Benchmarks: Crypto index provider distributing pricing data via oracles. Soter Insure: Native, Bitcoin-denominated institutional insurance. Asymptotic, Certora, OtterSec: Smart contract security and formal verification auditors. The activation of the global testnet this July represents the ultimate rehearsal for fully changing Bitcoin Finance. This sandbox environment is designed for institutional engineers, Sui protocols and developers, and custody partners to test integration parameters, stress-test the code under simulated market volatility, and verify cryptographic integrity ahead of mainnet release.

Technical documentation and testnet access configurations will be hosted at https://www.sui.io/hashi.

About Sui

Sui, where money moves as freely as messages, is a next-generation Layer 1 blockchain built for scalable finance and global payments. Founded by the core team behind Meta’s stablecoin initiative and powered by an object-centric model, Sui makes assets, permissions, and user data programmable and ownable. Sui’s primitives offer builders everything they need to create high-performance payments and financial applications, including instant agentic payments. Users can learn more at sui.io.

Contact: [email protected]