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What is Russell 2000 xStock (IWMx)?

Quick Facts

  • Issuer: Backed Finance (Swiss company, Jersey-licensed entity)
  • Underlying asset: iShares Russell 2000 ETF (IWM) by BlackRock
  • Backing ratio: 1:1 by real ETF shares held in regulated custody
  • Launched: June 2025 as part of the xStocks product suite
  • Blockchains: Ethereum, Solana, and other supported networks
  • ISIN: CH1473121478
  • Availability: Non-US users only
  • DeFi composable: Freely transferable and usable across DeFi protocols

Introduction

Russell 2000 xStock (IWMx) is a tokenized representation of the iShares Russell 2000 ETF — one of the most widely followed benchmarks for US small-cap equities. Issued by Backed Finance under its xStocks product line, IWMx brings traditional equity exposure directly onto blockchain rails.

Each IWMx token is backed 1:1 by a real share of the iShares Russell 2000 ETF held with a regulated third-party custodian, making it a genuine real-world asset (RWA) token rather than a synthetic derivative.

History & Background

Backed Finance, a Swiss company with a licensed Jersey entity handling token issuance, introduced xStocks in 2025 as a suite of over 60 tokenized US stocks and ETFs. The platform launched first on Solana in June 2025, then expanded to Ethereum and other networks, processing over $3.5 billion in trading volume within its first months.

In late 2025, Kraken — one of the key distribution partners — acquired Backed Finance, enabling native minting and settlement of tokenized stocks directly within Kraken's infrastructure.

How Russell 2000 xStock Works

When a user acquires IWMx, a corresponding iShares Russell 2000 ETF share is purchased and held by Backed Assets (JE) Limited in regulated custody. For every real share held, exactly one IWMx token is minted on-chain.

The token uses Solana Token Extensions for programmable compliance features such as transfer controls and corporate-action handling — while remaining fully composable with DeFi protocols. On Ethereum, IWMx is issued as an ERC-20 compatible token with the same 1:1 backing guarantee.

Tokenomics

IWMx does not have a fixed or pre-minted supply. Token supply grows or shrinks dynamically as users mint (buy) or redeem (sell) tokens against the underlying custodied shares. This elastic supply model ensures the token always reflects real asset custody.

The token accrues value in line with the iShares Russell 2000 ETF. Income from the underlying ETF accumulates within the token rather than being distributed as dividends — a common structure for tokenized ETF products.

Circulating Supply ? 2,376 IWMx
Total supply ? 376,276 IWMx
Max supply ? -- IWMx
Updated 2w ago

Ecosystem & Use Cases

IWMx is designed to be DeFi-native equity exposure. Use cases include:

  • 24/7 trading on centralized exchanges like Kraken and decentralized venues
  • Collateral in crypto lending protocols without selling equity exposure
  • Liquidity provisioning in automated market makers (AMMs)
  • Portfolio management — holding US small-cap ETF exposure directly in a crypto wallet
  • Structured products built by DeFi developers using tokenized equities as primitives

Team, Governance & Community

IWMx is governed by Backed Finance, led by co-founder Adam Levi. The company operates under Swiss law and the Swiss DLT Act, with token issuance handled by Backed Assets (JE) Limited under Jersey financial regulations.

Kraken's acquisition of Backed Finance in late 2025 brought additional institutional backing and distribution infrastructure to the xStocks ecosystem.

Advantages

  • 1:1 backing by real ETF shares held with a regulated custodian
  • 24/7 global access — trade US small-cap exposure at any time, unlike traditional brokers
  • DeFi composability — use equity exposure as collateral, in AMMs, or in structured products
  • Instant settlement (T+0) versus T+1 in traditional markets
  • Fractional ownership — accessible with small amounts of capital
  • Multi-chain availability across Ethereum, Solana, and more

Risks & Challenges

  • Custodian risk — underlying shares depend on the solvency and reliability of the regulated custodian
  • Regulatory risk — tokenized securities face evolving regulations; availability is restricted to non-US users
  • No ownership rights — IWMx provides indirect exposure but does not confer shareholder voting rights
  • Liquidity risk — on-chain liquidity may be lower than traditional ETF markets
  • Smart contract risk — as with all on-chain assets, vulnerabilities in protocol code remain a concern

Long-Term Vision

IWMx is part of a broader mission to bring the full spectrum of global equities onto blockchain rails. Backed Finance envisions a financial system where stocks, ETFs, and other traditional assets are programmable, composable, and globally accessible without the friction of legacy brokerages.

As tokenized RWA infrastructure matures, products like IWMx could become core building blocks for on-chain portfolio strategies, decentralized lending markets, and next-generation structured financial products that blend TradFi and DeFi seamlessly.

Frequently Asked Questions

IWMx is a tokenized version of the iShares Russell 2000 ETF, issued by Backed Finance. Each token is backed 1:1 by a real ETF share held with a regulated third-party custodian.

IWMx is issued by Backed Assets (JE) Limited, a Jersey-licensed entity, with infrastructure provided by Backed Finance AG, a Swiss company. Kraken acquired Backed Finance in late 2025 and became a key distribution partner.

No. IWMx provides indirect exposure to the iShares Russell 2000 ETF but does not grant ownership rights, shareholder voting rights, or direct legal title to the underlying shares.

IWMx is available to non-US users only. Eligible retail clients on certain exchanges like Kraken can access the token, subject to the platform's eligibility requirements.

IWMx is available on Ethereum and Solana, among other supported networks. Backed Finance follows a multi-chain strategy to maximize accessibility.

Yes. IWMx is fully composable and can be used as collateral in lending protocols, supplied to liquidity pools in AMMs, and integrated into structured financial products on-chain.

For every IWMx token minted, Backed Assets (JE) Limited holds one corresponding iShares Russell 2000 ETF share in regulated custody. Tokens are burned upon redemption, keeping supply in sync with custodied assets.

IWMx uses an accumulating income model, meaning any income generated by the underlying ETF is reflected in the token's net asset value rather than distributed as direct dividend payments.