Boerse Stuttgart's Ceturion Partners with Societe Generale and flatexDEGIRO to Launch Integrated European Blockchain Settlement Infrastructure

On May 21, 2026, a significant collaboration was announced that will change the landscape of the European financial market. Boerse Stuttgart Group's Seturion platform has entered into a landmark partnership with Societe Generale, SG-FORGE, and flatexDEGIRO. This collaboration aims to build an integrated blockchain infrastructure that addresses the chronic fragmentation of the European securities settlement market and reduces settlement times, which used to take days, to just a few minutes.

This collaboration is a significant step forward in improving the efficiency of European capital markets and innovating the fragmented settlement environment through Distributed Ledger Technology (DLT).

The Seturion infrastructure is designed based on an open architecture to support seamless integration with existing exchanges and financial infrastructure. The platform supports both public and private blockchains and offers the flexibility to settle via Central Bank Digital Currencies (CBDC), on-chain cash, or stablecoins. This allows financial institutions to provide tokenized asset trading services without requiring a separate DLT license.

Maximizing Efficiency: Innovation Beyond the T+2 System

Existing securities settlement systems follow a 'T+2' cycle, which takes two business days from trade to settlement. However, the Seturion platform utilizes blockchain technology to shorten this process to just a few minutes, opening up the possibility of transitioning to a 24/7/365 constant settlement system in the future. Seturion expects that these technological innovations could reduce settlement costs by up to 90%. The table below compares the key performance indicators of traditional systems and the Seturion platform.

• Settlement time: Reduced from the existing T+2 to minutes
• Cost reduction: Up to 90% efficiency improvement compared to existing systems
• Operating hours: Expandable from standard business hours to 24/7 continuous operation
• Settlement assets: Expanded from commercial bank funds to central bank funds and on-chain assets

This technological leap was made possible on the regulatory foundation of the European Union's (EU) DLT Pilot Regime. Implemented since 2023, this system provides a legal framework so that trading and settlement systems utilizing distributed ledger technology can be experimented with within a controlled environment. However, the full-scale launch of Ceturion's services across Europe is scheduled to take place after obtaining the DLT Pilot Regime license from the German Federal Financial Supervisory Authority (BaFin).

Each entity in the partnership performs a clear strategic role. Société Générale and its digital asset arm, SG-FORGE, provide expertise in tokenized securities issuance and digital assets, while flatexDEGIRO, one of Europe's largest online brokers, serves as a bridge connecting a broad retail customer base. Boerse Stuttgart Group is expected to raise the competitiveness of the European capital market to the next level by providing the core settlement infrastructure that encompasses all these processes through the Ceturion platform.

This project focuses on overcoming the chronic problem of market fragmentation by country in the European market. An integrated DLT-based system can eliminate the complexity of cross-border transactions and make capital movement within Europe smoother. As a result, this aligns with the goals of the Capital Markets Union (CMU) and is evaluated as a key driver for strengthening European financial competitiveness in the global market.

Future Outlook: Popularization of Tokenized Assets

Boerse Stuttgart and its partners anticipate that this collaboration will accelerate the adoption of tokenized assets across Europe. As the platform expands, it is highly likely that tokenized trading and real-time settlement of not only stocks and bonds but also various alternative assets will become commonplace. This will provide investors with higher liquidity and accessibility, serving as a catalyst to accelerate the democratization of financial services.

In conclusion, this partnership announced on May 21, 2026, signifies a fundamental structural improvement of the European financial infrastructure beyond simple technology adoption. As blockchain technology deeply penetrates the core settlement areas of institutional finance, the boundaries between traditional financial systems and the digital asset ecosystem are expected to blur further. Attention is focused on whether the new financial map of Europe to be drawn by Ceturion and its partners can establish itself as a global standard in the future.