WISeKey Joins the Hedera Council Network of Strategic and Community Partners

WISeKey becomes Hedera’s fourth Strategic Partner, extending earlier collaboration around SEALCOIN and quantum‑secure cybersecurity use cases on the Hedera ecosystem.

Rhea-AI Summary

WISeKey International Holding (WKEY) has joined the Hedera Council’s network of Strategic and Community Partners as Hedera’s fourth Strategic Partner, alongside the Global Blockchain Business Council, Halborn and the Institutes RiskStream Collaborative.

The collaboration aims to combine WISeKey’s cybersecurity, digital identity, IoT and post‑quantum secure semiconductor expertise with Hedera’s distributed ledger technology to accelerate trusted digital ecosystems and machine‑to‑machine transactions. The partnership builds on an existing use case, where Hashgraph Group launched the QAIT Q-Day Security Assessment Platform on SEALCOIN AG’s Quantum Marketplace to help organizations assess quantum‑related cybersecurity risks.

Market Context

WISeKey’s July 14 preliminary H1 metrics announcement was followed by a 5.18% 24-hour move, offering...

Analysis

WISeKey’s July 14 preliminary H1 metrics announcement was followed by a 5.18% 24-hour move, offering a stronger historical comparator. The Hedera partnership has no disclosed financial terms; adoption execution and outcome disclosure remain watchpoints.

Key Figures

New partnerships: Two partnerships Strategic Partner rank: Fourth Strategic Partner Microchips deployed: Over 1.6 billion microchips

3 metrics

New partnerships Two partnerships Hedera Council network expansion

Strategic Partner rank Fourth Strategic Partner Hedera Council

Microchips deployed Over 1.6 billion microchips Across various IoT sectors

Historical Context

5 past events · Latest: Aug 21 (Positive)

Pattern 5 events

Date	Event	Sentiment	24h Move	Catalyst
Aug 21	Leadership appointment	Positive	+4.7%	New Group CMO appointed to coordinate global marketing across affiliates.
Aug 06	EGM announcement	Neutral	+0.7%	EGM scheduled to vote on proposed BVI redomiciliation.
Jul 17	Registration filing	Neutral	+0.0%	Form F-4 filed for proposed BVI redomiciliation merger.
Jul 14	H1 metrics	Positive	+5.2%	Preliminary H1 revenue increased 115% and full-year guidance was reaffirmed.
Jun 30	AGM approvals	Neutral	+4.1%	Shareholders approved all agenda items at the annual meeting.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Prior history showed positive 24-hour reactions to both operating metrics and procedural announcements.

Key Terms

post-quantum cryptography, distributed ledger technology, pki, root of trust, +1 more

5 terms

post-quantum cryptography technical

"enables the autonomous exchange of verified, high value data secured by post-quantum cryptography"

Post-quantum cryptography is a set of new methods for scrambling data so it stays secure even if powerful quantum computers exist; think of replacing today’s locks with designs that a future high‑speed lockpicker cannot open. For investors, it matters because companies must upgrade systems, meet regulations, and protect customer and trade data—creating costs, competitive advantages, or legal and reputational risks depending on how quickly and effectively they adopt these new security standards.

distributed ledger technology technical

"with Hedera’s enterprise-grade distributed ledger technology"

A distributed ledger technology is a way of storing a shared digital record of transactions across many independent computers so no single party controls or can silently alter it — imagine the same accounting ledger kept in multiple filing cabinets that all must agree before any entry is changed. For investors it matters because it can reduce fraud, speed up settlement, cut middleman costs and enable new kinds of tradable assets, all of which can affect a company’s costs, revenue models and regulatory exposure.

pki technical

"which focuses on semiconductors, PKI, and post-quantum technology products"

PKI (Public Key Infrastructure) is a system that creates and manages digital “keys” and electronic certificates to prove identities and secure online communications, like a bank vault and ID card for data. For investors, PKI matters because it helps prevent fraud, ensures that financial documents and trading instructions are genuine, and reduces regulatory and operational risk tied to hacked accounts or tampered disclosures.

root of trust technical

"Trusted by the OISTE/WISeKey cryptographic Root of Trust"

A root of trust is a small, tamper-resistant component inside a device or system that serves as the secure anchor for identity and data protection—think of it as a locked safe that holds the master keys and proof that the system is genuine. It matters to investors because a strong root of trust reduces the risk of hacks, supports regulatory compliance and customer confidence, and therefore can protect a product’s value and a company’s reputation.

depin technology technical

"focuses on decentralized physical internet with DePIN technology"

Decentralized physical infrastructure networks (DePIN) are systems that use blockchain tokens and smart contracts to coordinate, fund and reward the provision and operation of real-world physical infrastructure—like sensors, wireless hotspots, storage, or transport—by many independent operators instead of a single company. It matters to investors because the networks tie digital tokens to real assets and services, creating new revenue and ownership structures that affect token value, service reliability and regulatory exposure, much like a shared, tokenized utility.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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WISeKey Joins the Hedera Council Network of Strategic and Community Partners

Geneva, Switzerland – September 4, 2026 — WISeKey International Holding Ltd (SIX: WIHN; NASDAQ: WKEY), a global leader in cybersecurity, digital identity and IoT, today announced that it has joined Hedera Council’s network of Strategic and Community Partners.

The growth of Hedera Council’s network of Strategic and Community Partners continues, with the addition of two new partnerships, WISeKey and SpaceDev. This partnership program leverages the skills, networks and resources of industry leaders to drive real-world adoption of Hedera. 

Hedera Council’s latest collaborations expand Hedera’s capabilities for secure, decentralized infrastructure for real-world use cases, while enhancing Hedera’s technical offerings. Hedera’s latest Strategic Partner is WISeKey, a global expert in cybersecurity, digital identity and IoT solutions. As Hedera’s fourth Strategic Partner, WISeKey joins the Global Blockchain Business Council, Halborn and the Institutes RiskStream Collaborative.

Accelerating Authentication and Digital ID on Hedera

Based in Switzerland, WISeKey is strongly embedded in Web3 infrastructure, offering secure authentication and identification solutions for IoT, blockchain and AI. SEALCOIN AG, one of WISeKey’s established subsidiaries, focuses on the development of the SEALCOIN platform, which enables the autonomous exchange of verified, high value data secured by post-quantum cryptography. 

“Becoming a Strategic Partner of the Hedera Council reinforces WISeKey’s commitment to building trusted infrastructure for an increasingly connected and autonomous world,” said Carlos Moreira, Founder and CEO of WISeKey Group.  By combining WISeKey’s expertise in digital identity, cybersecurity, PQC-secure semiconductors and space-based IoT with Hedera’s enterprise-grade distributed ledger technology, we can accelerate the deployment of trusted digital ecosystems where devices, machines and organizations can identify, authenticate and transact securely at global scale. This partnership is an important step in turning decentralized technologies into real-world infrastructure for the digital economy.”

This strategic partnership builds on an existing use case in the Hedera ecosystem. Earlier this year, the Hashgraph Group launched the QAIT Q-Day Security Assessment Platform on the SEALCOIN Quantum Marketplace. The platform was designed to help enterprises, governments and critical infrastructure operators evaluate, monitor and mitigate cybersecurity risks associated with the emergence of quantum computing. 

Jonathan LLamas, Chief Product and Strategy Officer at SEALCOIN AG, added: “SEALCOIN was created around a simple premise: billions of connected devices and autonomous machines will increasingly need to transact with each other without sacrificing identity, security or trust. Hedera has been an active contributor to this vision, with a dedicated team of experts from its ecosystem working alongside us in the development of the SEALCOIN platform. By combining trusted device identity with Hedera’s scalable distributed infrastructure, we are building the foundations for machines to authenticate, exchange value and transact autonomously at global scale. This Strategic Partnership is a natural continuation of that collaboration and an important step toward making trusted machine-to-machine commerce a reality.”

To learn more about the Hedera Council partnership program, visit hederacouncil.org.

About WISeKey

WISeKey International Holding Ltd (“WISeKey”, SIX: WIHN; Nasdaq: WKEY) is a global leader in cybersecurity, digital identity, and IoT solutions platform. It operates as a Swiss-based holding company through several operational subsidiaries, each dedicated to specific aspects of its technology portfolio. The subsidiaries include (i) SEALSQ Corp (Nasdaq: LAES), which focuses on semiconductors, PKI, and post-quantum technology products, (ii) WISeKey SA, which specializes in RoT and PKI solutions for secure authentication and identification in IoT, blockchain, and AI, (iii) WISeSat AG which focuses on space technology for secure satellite communication, specifically for IoT applications, (iv) WISe.ART Corp which focuses on trusted blockchain NFTs and operates the WISe.ART marketplace for secure NFT transactions, and (v) SEALCOIN AG which focuses on decentralized physical internet with DePIN technology and houses the development of the SEALCOIN platform.

Each subsidiary contributes to WISeKey’s mission of securing the internet while focusing on their respective areas of research and expertise. Their technologies seamlessly integrate into the comprehensive WISeKey platform. WISeKey secures digital identity ecosystems for individuals and objects using blockchain, AI, and IoT technologies. With over 1.6 billion microchips deployed across various IoT sectors, WISeKey plays a vital role in securing the Internet of Everything. Trusted by the OISTE/WISeKey cryptographic Root of Trust, WISeKey provides secure authentication and identification for IoT, blockchain, and AI applications. The WISeKey Root of Trust ensures the integrity of online transactions between objects and people. For more information on WISeKey’s strategic direction and its subsidiary companies, please visit www.wisekey.com.

Forward-Looking Statements

This communication contains forward-looking statements concerning WISeKey International Holding Ltd and/or its subsidiaries (collectively, “WISeKey,” “our” or “us”) and its businesses. Forward-looking statements can be identified by terms such as “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “project,” “will,” and similar expressions. These statements involve known and unknown risks, uncertainties and other factors that could cause WISeKey’s actual results, financial condition, performance or achievements to differ materially from any future results, performance or achievements expressed or implied by such forward-looking statements. These factors include: our ability to convert our pipeline into actual sales; the ability to realize WISeKey’s anticipated growth strategies and profitability; the development of post-quantum cryptography products and the potential market for such products; WISeKey’s plans for global customer base expansion; the expansion of the WISeSat project and the QSOC initiative; the timing and expected revenues from the commercial deployment of the QS7001 quantum-resistant semiconductor; the sufficiency of cash to meet liquidity needs; WISeKey’s ability to attract and retain customers; changes in economic conditions; market demand and semiconductor industry conditions; and the risks discussed in WISeKey’s filings with the SEC. WISeKey is providing this communication as of this date and does not undertake to update any forward-looking statements as a result of new information, future events or otherwise.

Statements regarding our business pipeline are based on management's current estimates of potential revenue opportunities and do not represent backlog or contracted revenue. Pipeline conversion is subject to numerous factors including customer validation, technical integration requirements, certification timelines, and market conditions. There can be no assurance that pipeline opportunities will convert to actual sales or that such conversion will occur within anticipated timeframes.

This press release does not constitute an offer to sell, or a solicitation of an offer to buy, any securities, and it does not constitute an offering prospectus within the meaning of the Swiss Financial Services Act (“FinSA”), the FinSA’s predecessor legislation or advertising within the meaning of the FinSA. Investors must rely on their own evaluation of WISeKey and its securities, including the merits and risks involved. Nothing contained herein is, or shall be relied on as, a promise or representation as to the future performance of WISeKey. Given the risks and uncertainties described herein, you should not place undue reliance on forward-looking statements as a prediction of actual results.

Press and Investor Contacts

WISeKey International Holding Ltd Company Contact: Carlos Moreira Chairman & CEO Tel: +41 22 594 3000 info@wisekey.com

WISeKey Investor Relations (US)  The Equity Group Inc. Lena Cati Tel: +1 212 836-9611 lena.cati@theequitygroup.com

FAQ

What did WISeKey (WKEY) announce regarding the Hedera Council partnership?

WISeKey announced that it has joined the Hedera Council’s network of Strategic and Community Partners as Hedera’s fourth Strategic Partner. The collaboration focuses on combining WISeKey’s cybersecurity, digital identity and IoT capabilities with Hedera’s distributed ledger technology for real‑world digital infrastructure use cases.

How does the WISeKey (WKEY) partnership with Hedera aim to use digital identity and IoT?

The partnership aims to use WISeKey’s expertise in digital identity, cybersecurity, post‑quantum secure semiconductors and space‑based IoT with Hedera’s infrastructure to enable devices, machines and organizations to identify, authenticate and transact securely at global scale, supporting trusted machine‑to‑machine commerce.

What role does SEALCOIN AG, a WISeKey subsidiary, play in the Hedera collaboration?

SEALCOIN AG develops the SEALCOIN platform, enabling autonomous exchange of verified, high‑value data secured by post‑quantum cryptography. An existing collaboration includes the QAIT Q‑Day Security Assessment Platform on the SEALCOIN Quantum Marketplace, which helps enterprises and governments evaluate quantum‑related cybersecurity risks.

Who are the other Strategic Partners on the Hedera Council alongside WISeKey (WKEY)?

Alongside WISeKey, Hedera’s Strategic Partners include the Global Blockchain Business Council, Halborn and the Institutes RiskStream Collaborative. WISeKey joins this group to help expand Hedera’s secure, decentralized infrastructure and technical offerings for real‑world blockchain and Web3 use cases.

How is WISeKey (WKEY) positioned in Web3 and quantum‑secure technology within this Hedera partnership?

WISeKey is embedded in Web3 infrastructure through subsidiaries such as SEALSQ Corp for semiconductors and post‑quantum technology, WISeKey SA for RoT and PKI solutions, WISeSat AG for space‑based IoT, WISe.ART Corp for NFTs, and SEALCOIN AG for decentralized physical internet, all contributing to the Hedera‑aligned ecosystem.