Researchers at the Quantum Science Center, in collaboration with Purdue University, Oak Ridge National Laboratory, and IBM, have successfully demonstrated the first digital quantum simulation of spin transport in one-dimensional Heisenberg chains1. This achievement was made possible using a 40-qubit simulation on the IBM Heron processor, which enabled the observation of spin currents. The study, published in Physical Review Letters, marks a significant milestone in the field of quantum computing. The ability to simulate spin transport has major implications for the development of quantum systems, particularly in the context of quantum cryptography. As IBM continues to advance its quantum capabilities, the timeline for migrating to post-quantum cryptography (PQC) narrows, increasing the urgency for organizations to plan and prepare for this transition. This development matters to practitioners as it underscores the need to accelerate PQC planning to stay ahead of the looming quantum threat.