PQC output type discussion

The discourse on preparing for Q-day emphasizes the urgency of integrating Post-Quantum Cryptography (PQC) into systems like Bitcoin without waiting for clear, sequential milestones. This perspective is supported by Scott Aaronson, who argues against the notion of a gradual progression towards quantum readiness, suggesting instead that efforts should be proactive rather than reactive to measurable developments in quantum computing. Aaronson’s insights highlight a critical approach where PQC's implementation should occur presently as part of ongoing advancements rather than as a response to future quantum achievements.

Furthering the discussion, there is an analogy made between quantum computers and nuclear technology, critiquing the comparison of quantum computing to explosive devices which implies a sudden, uncontrolled release. Instead, it is argued that quantum computers are more akin to fission reactors, which require meticulous control and stability over time. The comparison underscores the complexity and the controlled environment necessary for quantum technologies to function effectively, contrasting with the long-standing challenges faced by fusion reactor development, which has remained economically unviable despite decades of theoretical possibility. This nuanced understanding stresses the importance of strategic and controlled development in the field of quantum computing.