Ondo Finance on Thursday launched what it billed as the first live tokenized U.S. securities operating entirely within the country’s existing regulatory perimeter, putting BlackRock’s iShares Core S&P 500 ETF and Micron shares onchain on Ethereum.

Tokenized versions of American stocks have circulated for a while, but they have typically traded offshore or leaned on the security’s own issuer to sponsor the token, leaving compliant U.S. products thin on the ground. Ondo instead follows a custodial model the SEC laid out in a January statement: a regulated third party holds the underlying shares in the traditional U.S. custody chain, while a registered transfer agent issues blockchain tokens representing a holder’s entitlement to them.

Ondo mints those tokens through Oasis Pro TA, an SEC-registered transfer agent and Ondo subsidiary, backing each one-for-one with the custodied securities. Its partner Broadridge Financial Solutions supplies proxy voting, issuer communications, and regulatory disclosures, so holders get governance rights rather than bare price exposure.

Ian De Bode, CEO of Ondo Finance, said in the announcement: “Tokenized Securities in the U.S. are too often framed as a binary choice between competing models and tokenization providers. This is a false premise. Ondo has built the regulatory, product, and service infrastructure to support all major models within the United States.”

One notable limit sits under the milestone: the product is not yet available to U.S. investors, despite being built around the U.S. framework.

Ondo already runs one of the larger tokenization operations outside the country. Its Ondo Global Markets platform holds more than $1 billion in tokenized stocks and ETFs across 430-plus securities and recently expanded to BNB Chain for non-U.S. users. Separately, the SEC earlier dropped a Biden-era investigation into the firm.

Doug DeSchutter, president of Broadridge’s Investor Communication Solutions business, said in the announcement: “Tokenization will only scale when it delivers both innovation and investor confidence.”

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