Siebert Enters Tokenized Securities Market Using tZERO's Full-Suite Infrastructure

Muriel Siebert & Co., a Wall Street broker-dealer overseeing approximately $20 billion in assets, has selected tZERO Group's end-to-end digital securities infrastructure to support its expansion into tokenized securities, the companies announced Monday. The move positions Siebert to offer blockchain-based securities through tZERO's regulated technology and broker-dealer ecosystem, beginning with a gold-backed, yield-bearing tokenized security issued by Streamex Ltd.

The partnership underscores a broader trend of established financial institutions turning to integrated, regulated platforms to enter the digital asset market rather than building proprietary systems. tZERO will provide the full technology stack—including investor onboarding, compliance, identity verification, issuance support, brokerage services, custody, secondary market trading infrastructure, clearing and settlement, and transfer agent services—enabling Siebert to offer tokenized securities without developing the infrastructure from scratch.

'I am delighted to partner with Siebert. Traditional financial institutions increasingly recognize that tokenized securities require more than blockchain technology – they require turnkey regulated market infrastructure,' said Alan Konevsky, Chairman and CEO of tZERO. 'We built tZERO to provide that complete, independent foundation, enabling leading firms like Siebert to enter digital markets through a single, integrated platform.'

The first offering under the collaboration is Streamex Ltd.'s GLDY token, a gold-backed, yield-bearing tokenized security developed by Streamex Corp. This private placement, conducted under Rule 506(c) of Regulation D, is limited to accredited investors and aims to provide exposure to tokenized gold through a traditional brokerage experience while leveraging regulated blockchain market infrastructure.

'Siebert has always moved forward by helping more people access opportunity in the markets,' said John J. Gebbia, CEO of Siebert. 'Tokenized securities represent an important evolution in how investors and issuers can connect, but the opportunity only works when innovation is matched with regulation, transparency, and trust. Our relationship with tZERO gives us the infrastructure to enter this market with discipline, while building for where financial markets are headed.'

The partnership highlights tZERO's strategy of offering a comprehensive infrastructure platform rather than point solutions that address only one aspect of digital asset markets. By integrating with Siebert, tZERO extends its reach to a broad client base that includes retail, wealth management, and institutional clients across the United States.

Industry observers note that the collaboration reflects growing institutional appetite for tokenized securities, which combine the efficiency of blockchain technology with the regulatory safeguards of traditional finance. For Siebert, the move provides a compliant pathway into digital capital markets, while for tZERO, it validates its model of providing end-to-end regulated infrastructure to established financial institutions.

tZERO Group, Inc., through its broker-dealer subsidiaries, operates an alternative trading system for private company securities and offers digital asset securities custody and trading services. The company's infrastructure is designed to support the complete lifecycle of tokenized securities, from issuance through secondary trading and lifecycle management.

The announcement comes as more traditional financial firms explore blockchain-based securities as a way to improve efficiency, liquidity, and access in capital markets. By partnering with tZERO, Siebert positions itself at the forefront of this trend, offering clients exposure to digital securities within a regulated framework.

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