Startale Group and SBI Holdings have unveiled Strium, a layer-1 blockchain designed to underpin exchange-layer and settlement infrastructure for institutional trading of foreign exchange, tokenized equities, and real-world assets. Positioned as an exchange-layer network, Strium aims to streamline the movement between traditional off-chain finance and on-chain processes, including compliant dividend and royalty payments within the ecosystem. This launch marks a concrete milestone following an August 2025 strategic partnership between the two firms and comes alongside a set of proof-of-concept demonstrations intended to validate Strium’s technical foundations before broader deployment.

Key takeaways

• Strium is a dedicated layer-1 platform built to support institutional trading channels for FX, tokenized equities, and real-world assets, with a focus on settlement efficiency and cross-system interoperability.
• The initial phase will offer synthetic versions of US and Japanese stocks and commodities, functioning as derivative-like instruments rather than direct ownership of underlying assets.
• Longer-term plans include tokenized representations of real shares and asset-backed tokens, accessible through a compliant path after identity checks and regulatory adherence, plus an open layer for broader participation.
• The venture couples Startale Group’s tech vision with SBI Holdings’ regulated financial infrastructure and licensed entities, including exploration of a yen-stablecoin structure tied to Shinsei Trust & Banking and SBI VC Trade.
• Proof-of-concept work focuses on settlement throughput, system resilience under heavy load, and interoperability with legacy financial systems and other blockchain networks, with a public testnet anticipated en route to commercial deployment.

Market context: The Strium initiative arrives amid a broader industry push toward tokenization of traditional assets and exchange-traded products. In parallel, public disclosures have highlighted moves by traditional exchanges toward blockchain-enabled post-trade workflows, signaling a gradual convergence of regulated finance and on-chain infrastructure. Industry observers have also noted rising attention from banks and asset managers toward tokenized asset classes as liquidity and regulatory clarity evolve, a dynamic reinforced by industry reports suggesting tokenization could become more mainstream in coming years.

Market context: The broader market backdrop includes ongoing discussions about tokenized equity offerings and infrastructure upgrades, with institutions increasingly evaluating how blockchain-native settlement can complement existing trading workflows. This environment creates opportunities for joint ventures that combine regulated rails with on-chain programmability, especially for assets that require complex settlement patterns or cross-border compliance.

Market context: Industry developments around tokenized stocks and ETFs, as well as regulatory dialogues, continue to shape the pace at which platforms like Strium might scale. Notably, major exchange groups have publicly explored 24/7 trading and instant settlement via blockchain layers, underscoring a trend toward more fluid, cross-border access to tokenized assets.

Why it matters

The Strium project embodies a significant attempt to bring traditional asset classes into a regulated, on-chain settlement framework. By focusing on institutional-grade settlement infrastructure, the venture seeks to reduce counterparty risk, improve settlement latency, and enable more efficient dividend and royalty distributions within tokenized instruments. The emphasis on compliance-driven access—while also offering an open layer for broader participation—reflects a deliberate attempt to balance prudence with innovation as tokenization deepens its footprint in mainstream finance.

For investors and asset managers, Strium could lower the friction involved in trading tokenized foreign exchange and equities by consolidating liquidity, settlement, and custody under a single, regulated umbrella. The alliance between Startale Group and SBI Holdings brings together a technology-forward approach with deeply regulated financial infrastructure, potentially accelerating institutional comfort with on-chain representations of off-chain assets. If successful, the platform could serve as a blueprint for other cross-border tokenization efforts, including the layering of real-world assets onto blockchain rails while maintaining regulatory guardrails and governance standards.

From a market structure perspective, Strium signals how exchange-layer networks may evolve to support new forms of collateral, settlement, and asset representation. The project explicitly contends with the challenge of reconciling on-chain settlement with legacy financial systems, a task that has traditionally posed interoperability hurdles. Demonstrating robust performance under heavy transaction loads and ensuring resilience will be critical to gaining broader participation from custodians, asset managers, and regulated entities. The narrative around tokenized assets continues to hinge on the ability to deliver trust, transparency, and speed—a combination Strium targets to deliver through its PoC program.

Finally, the collaboration’s strategic components—bridging regulated finance with tokenized finance, exploring a yen-stablecoin framework, and engaging with regulators as markets scale—reflect a deliberate, phased approach to expansion. The plan to deploy a public testnet marks a tangible next step, offering researchers and practitioners a sandbox to stress-test settlement workflows and cross-network interoperability before commercial rollout.

What to watch next

• Public testnet launch and the results of the initial PoC demonstrations, including settlement throughput metrics and inter-network interoperability tests.
• Regulatory dialogues in Japan and other target markets as Strium expands its geographic footprint and moves toward live asset tokenization.
• Progress on tokenized representations of real shares and asset-backed tokens, and the criteria for access through compliant versus open layers.
• Updates on the yen-stablecoin initiative involving Shinsei Trust & Banking and SBI VC Trade, including any regulatory approvals and governance arrangements.
• Related infrastructure developments from traditional exchanges exploring tokenized platforms, including 24/7 trading and instant settlement capabilities.

Sources & verification

• Official statements from Startale Group and SBI Holdings regarding the Strium launch and its objectives.
• Strategic partnership announcement between Startale Group and SBI Holdings, dated August 2025.
• Details on the yen-stablecoin structure involving Shinsei Trust & Banking and SBI VC Trade.
• Public reports and announcements about NYSE/ICE exploring tokenized stocks and ETFs with 24/7 settlement capability.
• Sygnum’s report noting that tokenization is expected to gain mainstream traction in 2026.

Strium launches institutional-grade layer-1 for tokenized assets

Startale Group and SBI Holdings have unveiled Strium, a dedicated layer-1 blockchain engineered to support institutional participation in exchange-layer markets and the settlement of tokenized assets. The project targets three core asset classes—foreign exchange, tokenized equities, and real-world assets (RWAs)—and seeks to bridge the gap between traditional finance and on-chain ecosystems by enabling regulated dividend and royalty flows within a compliant framework. The platform’s architecture is described as an exchange-layer network designed to act as a scalable, interoperable substrate for institutional trading and settlement, rather than a consumer-oriented decentralized finance product.

In outlining the rationale behind Strium, Sota Watanabe, CEO of Startale Group, framed tokenization as an inevitable trend and highlighted equities tokenization as the next major market. The leadership intends Strium to function as a connective tissue between off-chain financial infrastructure and on-chain participants, thereby facilitating compliant distributions and payments that align with existing regulatory expectations. This emphasis on compliance is a throughline of the project, reflecting the participants’ intent to build a system that can operate within established financial markets while leveraging the advantages of tokenized representations.

The launch follows the two firms’ strategic partnership announced in August 2025, which laid the groundwork for joint development and resource sharing. The current phase includes proof-of-concept demonstrations designed to validate the platform’s core technical capabilities, particularly around settlement efficiency and cross-network interoperability. By focusing on these technical pillars, the teams aim to demonstrate that Strium can sustain high transaction volumes and complex settlement workflows typical of institutional trading environments.

Trading on Strium is set to begin with synthetic versions of U.S. and Japanese stocks and commodities. These synthetic instruments are described as derivative-like constructs rather than direct ownership of underlying assets. The approach serves as a controlled environment to refine settlement mechanics, governance protocols, and regulatory-compliant pathways before broader asset classes are introduced. As the platform scales, the plan is to extend tokenized representations to real shares and asset-backed tokens, contingent on identity verification and adherence to local regulatory regimes. An open layer is planned to accommodate participants who may not meet the stringent verification requirements, expanding access while preserving a compliant core.

The proof-of-concept phase is designed to stress-test settlement efficiency, resilience under peak loads, and interoperability with legacy financial systems and other blockchain networks. A public testnet—an essential step toward commercial deployment—will follow the initial demonstrations, providing a sandbox for independent researchers and potential users to assess operational readiness and security considerations. The project’s leadership emphasizes that regulatory engagement will evolve in step with geographic expansion, noting that discussions with Japanese authorities and other regulators will intensify as Strium moves from PoC toward market rollout.

From SBI Holdings’ perspective, the collaboration brings regulated financial infrastructure and licensed entities into the joint venture. Watanabe underscored that the group already participates in regulated digital-asset initiatives, including a yen-stablecoin concept involving Shinsei Trust & Banking and SBI VC Trade. While regulatory conversations remain a future priority, the emphasis remains on delivering a robust, compliant platform capable of supporting tokenized trading at scale. This approach reflects a broader industry pattern wherein traditional financial institutions seek to connect with blockchain-based settlement rails while maintaining governance and risk controls aligned with existing supervisory expectations.

Beyond Strium, the broader market context shows continued interest in tokenized finance across major exchanges. Notably, public disclosures indicate that the New York Stock Exchange and its parent company, Intercontinental Exchange, are pursuing a platform for tokenized stocks and ETFs with 24/7 access and instant settlement, signaling a shift toward faster, more flexible settlement workflows that could complement regulated tokenized products. Industry observers also point to a growing consensus among traditional institutions that tokenization will become more mainstream in the coming years, as highlighted by market analyses that anticipate broader adoption of blockchain-enabled infrastructure in traditional finance.

In sum, Strium represents a measured, regulatory-friendly foray into asset tokenization, with a clear focus on institutional usability and cross-system compatibility. If successful, the project could help standardize how tokenized FX, equities, and RWAs are traded and settled on a scalable, compliant platform, potentially accelerating the pace at which real-world assets enter the digital economy. The next steps—the public testnet, regulatory engagement, and the staged expansion into real assets—will be critical to determining whether Strium can deliver on its promise of a robust, institutionally viable tokenized asset ecosystem.