Unchained Podcast Episode Summary

Episode Title: Bitcoin DeFi Has Been Elusive. Can Mysten Labs Bring $1.4 Trillion Onchain?
Date: March 20, 2026
Host: Laura Shin
Guest: Adeniyi Abiodun, Co-Founder and CPO of Mysten Labs (Sui Blockchain)

Episode Overview

This episode of Unchained delves into how Mysten Labs aims to finally unlock decentralized finance (DeFi) for native Bitcoin, potentially bringing over $1.4 trillion in value onchain. Laura Shin interviews Adeniyi Abiodun about their new protocol, Hashi—a trust-minimized, insurance-backed system launching in 2026 that promises to enable institutions and individuals to lend, borrow, and generate yield on Bitcoin, all without the drawbacks of wrapped BTC or custodial risk.

Key Discussion Points & Insights

1. The Bitcoin DeFi Dilemma and the Birth of Hashi

• Background:

  • Huge amounts of Bitcoin remain idle (“60% of crypto market cap never cross-proliferated into the rest” [02:38])
  • Bitcoin ETFs allowed holding, not DeFi yield.
  • Wrapping (e.g., WBTC) only captured about 1% of all Bitcoin due to trust and tax drawbacks.

• Hashi’s Value Proposition:

  • Enables native Bitcoin to be used in DeFi “without any form of wrappers or any form of second or third order trust assumptions” [02:58].
  • Allows institutions to lend Bitcoin and issue bonds with full decentralization, formal verification, and insurance.

• Notable Quote:

  "For the first time ever in history... a fully decentralized piece of infrastructure with minimal trust assumptions required, backed by actual institutional insurance to enable folks—institutions specifically—to start lending Bitcoin directly in DeFi." – Adeniyi Abiodun [03:24]

2. Technical Foundations: How Hashi Works

• Beyond Traditional Wrapped Bitcoin:

  • Traditional wrapped BTC introduces tax events and centralized trust.
  • Hashi avoids this by locking native BTC in an MPC wallet on the Bitcoin network (no tokens minted).
  • Sui blockchain is then used for originating loans and DeFi interactions.

• MPC Wallet Details:

  • More than 125 Sui validators serve as multisig signers, using Sui’s own high-safety cryptography.
  • Guardian model provides a fallback in case of validator collusion.

• Notable Quote:

  “Every single validator on the Sui Network... are all part of the signatory on the multisig account... So you have three blockchain validators directly engaging with the Bitcoin network and independently directly ensuring that security of the MPC wallet.” – Adeniyi Abiodun [07:18]

3. Institutional-Grade Trust and Adoption

• Designed for Institutional Needs:
  • Direct feedback from banks, sovereign wealth funds, and custodians shaped Hashi.
  • The protocol addresses rigorous due-diligence, minimal trust, tax avoidance, and insurance requirements.
  • Partners include heavyweights (Alpha Lend, BitGo, Bullish, Wave Digital, Navi, Ledger First Digital, Herba Bank).
• Integration Modes:
  • Supports both self-custody and third-party custody (e.g., “like using an RIA that’s custodying at BitGo” [12:59]).
  • Built to serve both retail and institutions for maximum Bitcoin coverage.

4. Risks, Security, and Insurance

• Main Risks:

  • Bitcoin network failure (51% attack) – extremely unlikely.
  • Validator collusion—mitigated by guardian layer.
  • Smart contract bugs—mitigated by formal verification (mathematical proof of safety).

• Insurance Approach:

  • Claims and premiums are denominated and settled in BTC.
  • Structured to be efficient and affordable, minimizing additional friction/costs.

• Notable Quote:

  “You pay for your insurance in Bitcoin, you claim your insurance directly in Bitcoin as well... at the point of minting and the point of depositing funds, you can make insurance payments automatically entirely.” – Adeniyi Abiodun [22:37]

5. New DeFi Products and Services Enabled by Hashi

• Instant Bond Issuance:
  • Example: Wave Digital will issue first secured, rated bonds fully collateralized by Bitcoin, powered by Hashi.
  • Allows institutional-grade, on-chain bond issuance and real-time trading (including on Sui’s decentralized order book DEX, “Deepak”).
• Bitcoin-Backed Borrowing and Lending:
  • Integration with Sui DeFi protocols (Navi, Scallop, Suilend, Alpha Lend).
  • Builders can leverage Hashi as a composable DeFi primitive.
• BTC-Denominated Insurance:
  • Provided by Insure and others, wholly on-chain.
• Stablecoins Supported:
  • Sui supports USDC, First Digital USD, Agora USD, and "SUI$", a US Treasury-backed native stablecoin paying network yield [23:37].

6. Oracles and Pricing

• CF Benchmarks and Coinbase:
  • Used as robust oracles for reliable BTC pricing/valuation, thus enabling accurate LTVs and risk management [26:09].

7. Differentiators vs. Competitors (e.g., Opnet, Citraya)

• No Wrapped Assets / No Tax Event:

  • Uniquely avoids the legal/tax headaches of wrapped or synthetic BTC.

• Minimal, Transparent Trust Assumptions:

  • "Easily explainable" model for institutional compliance.

• Formal Verification & On-Chain Insurance:

  • Unmatched in transparency and risk reduction.

• Performance & Track Record:

  • Sui blockchain is extremely fast, built by experienced cryptographers from Meta (Libra) and Google.

• Notable Quote:

  “The differentiator is... the technology assumptions or the safety assumptions you need to make in order to make a deposit, and something that's easily explainable and backed by insurance, especially something that is insured on chain, it's fully transparent.” – Adeniyi Abiodun [28:16]

Memorable Quotes & Moments

• “Bitcoin as collateral instrument creates liquidity without selling. So DeFi lending is going to be the way to really unlock Bitcoin.” – Adeniyi Abiodun [02:25]
• “WBTC was a brilliant step forward, but only gained 1% of the Bitcoin in existence... Our approach is very, very different with Hashi.” [04:21]
• “Hashi is an actual primitive on Sui, so it's meant to be... composable. Builders can build on top of it." [16:57]
• “You pay for your insurance in Bitcoin, you claim your insurance directly in Bitcoin as well.” [22:37]
• “Wave Digital is going to issue the first secured actual rated bond that's fully collateralized by Bitcoin, powered by Hashi.” [16:45]

Timestamps for Important Segments

• Introduction & Hashi Overview: [01:41–04:21]
• How Hashi Differs From Wrapped BTC: [04:21–06:51]
• MPC Wallet/Validator Security: [06:51–08:52]
• Institutional Onboarding & Trust: [08:54–13:41]
• Risk Mitigation & Insurance Design: [18:23–22:56]
• BTC-Denominated Insurance Explained: [22:37–23:29]
• Supported Stablecoins & SUI$: [23:29–24:29]
• Bitcoin-Collateralized Bonds By Wave Digital: [24:35–25:49]
• CF Benchmarks/Oracle Role: [26:09–26:56]
• Comparing Hashi to Other L2 Competitors: [26:56–29:13]

Tone & Language

The discussion is technical yet accessible, balancing institutional priorities with DeFi innovation, and both host and guest keep a measured, forward-looking optimism throughout.

If you missed this episode, this summary covers all the detailed discussions about Hashi, how it aims to revolutionize Bitcoin DeFi, and why it may finally unlock Bitcoin’s dormant capital for the decentralized economy.