PQC output type discussion

Posted by fjahr

Sep 17, 2026/14:50 UTC

The discussion revolves around the challenges and critical factors influencing the adoption of P2TRv2, particularly concerning the timing of disabling triggers. The effectiveness of these triggers is paramount, as they must activate neither too early nor too late but precisely when required—ideally at the exact moment the first Conditional Rebate Quantum Coupon (CRQC) emerges. This precise synchronization is vital because it ensures that the system remains functional and trustworthy until necessary, fostering confidence among users.

Further complicating the matter is the general skepticism among CISA enthusiasts regarding the unspendable path of EC (expected costs) before the realization of CRQCs. If the expectation arises that resources allocated towards EC could become prematurely unspendable, it might deter adoption or even destabilize the trust in the system's capability to disable effectively. This issue isn't exclusive to CISA users; it extends to all potential adopters of P2TRv2. The broader consensus on adopting P2TRv2 hinges significantly on the community's trust in the reliability and appropriateness of the disabling mechanisms. Therefore, addressing the timing and incentive structures related to these mechanisms is recognized as a complex yet crucial aspect of implementing P2TRv2.

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