BlackRock

RedStone

Wormhole

<p><a href="https://x.com/BlackRock" rel="noopener noreferrer nofollow">@BlackRock</a>'s tokenized Treasury fund has expanded to <a href="https://x.com/tempo" rel="noopener noreferrer nofollow">@tempo</a>, the payments-focused Layer 1 blockchain incubated by <a href="https://x.com/stripe" rel="noopener noreferrer nofollow">@stripe</a> and <a href="https://x.com/paradigm" rel="noopener noreferrer nofollow">@paradigm</a>. The integration gives eligible users a way to move idle stablecoin balances into yield-bearing BUIDL fund shares without stepping outside on-chain workflows.</p><h2 id="what-buidl-is-and-why-tempo-matters">What BUIDL Is and Why Tempo Matters</h2><p>BUIDL, short for the BlackRock USD Institutional Digital Liquidity Fund, is a tokenized money market fund backed by short-duration US Treasury bills, repurchase agreements, and cash. <cite>Each BUIDL token targets a stable $1 net asset value and accrues yield daily via a rebase mechanism.</cite> The fund is restricted to qualified investors and has grown into one of the largest tokenized Treasury products in the market, <cite>sitting at roughly $3.0 billion in market cap as of June 2026.</cite></p><p><cite>Tempo is a payments-first Layer 1 blockchain incubated by Stripe and Paradigm, purpose-built for stablecoin settlement.</cite><cite>The blockchain is built to deliver instant, deterministic settlement, predictably low fees, and a stablecoin-native experience.</cite><cite>Tempo raised $500 million in Series A funding, valuing the company at $5 billion, led by Thrive Capital and Greenoaks.</cite> Its validator network already includes major financial names: <cite>Visa, Stripe, and Zodia Custody by Standard Chartered serve as the first external validators on the Tempo network.</cite></p><h2 id="infrastructure-behind-the-integration">Infrastructure Behind the Integration</h2><p><cite>BUIDL is a tokenized money market fund issued by BlackRock Financial Management in partnership with Securitize, a regulated digital asset securities firm.</cite><cite>Securitize serves as transfer agent and broker-dealer, handling subscriptions, redemptions, and the KYC pipeline.</cite> On the data side, <a href="https://x.com/redstone_defi" rel="noopener noreferrer nofollow">@redstone_defi</a> supplies daily on-chain valuation and interest accrual feeds for the fund. <cite>RedStone operates across more than 110 chains and rollups and backs over $8.5 billion in total value locked, with integrations that include BlackRock's BUIDL fund through Securitize.</cite></p><p>The Tempo listing is the latest step in BUIDL's ongoing multi-chain expansion. <cite>BlackRock recently expanded BUIDL to BNB Chain, its ninth blockchain network, using Wormhole for cross-chain interoperability.</cite> The broader tokenized real-world asset category continues to gain momentum, with <cite>the total tokenized RWA category on track to exceed $50 billion by end of 2026.</cite></p><p><b>Sources:</b><br><a href="https://www.theblock.co/post/381930/stripe-and-paradigms-payments-focused-blockchain-tempo-launches-public-testnet" rel="noopener noreferrer nofollow">The Block: Tempo launches public testnet</a><br><a href="https://fortune.com/2026/04/21/stripe-and-paradigm-tempo-advisory-stablecoin-adoption/" rel="noopener noreferrer nofollow">Fortune: Tempo launches stablecoin advisory unit</a><br><a href="https://messari.io/project/blackrock-usd-institutional-digital-liquidity-fund" rel="noopener noreferrer nofollow">Messari: BlackRock BUIDL fund overview</a></p>

BlackRock's BUIDL lands on Stripe's payments chain

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