Quantum news — June 13, 2026

June 13, 2026 saw quantum computing advance on multiple fronts, from post-quantum cryptography readiness to space-based infrastructure expansion and venture capital flow into emerging hardware platforms. On the security front, Coinbase's advisory board highlighted the growing urgency of preparing cryptocurrency systems for quantum threats, warning that while the cryptographically relevant quantum computer has not yet arrived, the window for proactive migration of digital assets remains open. The advisory board flagged a particular concern: millions of bitcoin addresses face exposure due to address reuse patterns, with major exchange cold wallets among those at risk [1]. This assessment underscores the industry's mounting focus on quantum-resistant encryption protocols and the timeline pressures facing institutions managing large-scale digital holdings. In space infrastructure, WISeKey International and its subsidiary SEALSQ detailed strategic progress toward the Quantum Spatial Orbital Cloud (QSOC), a subscription-managed platform designed to deliver post-quantum cryptography, certified quantum randomness, and localized edge processing via low-Earth orbit satellites. The architecture encompasses multiple engineering and deployment milestones aimed at serving banking institutions, national defense agencies, and enterprise clients [2]. Complementing this effort, WISeSat.Space completed the orbital insertion of its 21st satellite, the WISeSat 4.0 spacecraft, through a SpaceX Transporter-16 rideshare mission, expanding the company's low-Earth orbit cybersecurity constellation [3]. On the venture capital front, Alumni Ventures completed its inaugural Japanese capital allocation by investing in Yaqumo Inc., a Tokyo-based neutral-atom quantum computing startup, through a seed extension financing round. The placement marks Alumni Ventures' entry into Japan's quantum ecosystem and underscores North American venture interest in Asia-Pacific quantum hardware development [4]. Meanwhile, the Dutch-German photonics firm QuiX Quantum formalized membership in QuantumBW and Photonics BW, two innovation networks in Baden-Württemberg, Germany, strengthening its presence across the European quantum and photonics corridor [5].