⚠️ Fujitsu & RIKEN just unveiled a 256-qubit quantum computer — and aim for 1,000 qubits by 2026. At this pace, breaking today's encryption is within reach. The blockchain world must treat post-quantum cryptography as a now problem, not a future one. https://t.co/Zgs5T5DMKP https://t.co/Q8ltRJMPeV