Educational prototype. Verdicts reflect the published state of research as of 2026 — key sources: Gidney, arXiv:2505.15917 (RSA resource estimate); Lee et al., PRX Quantum 2, 030305 (quantum chemistry); Chakrabarti et al., Quantum 5, 463 (derivative pricing); Google Quantum AI, Nature 634 (below-threshold error correction). Not investment or security advice.