Direct answer

What are the main hidden risks in post-quantum security app development?

The main hidden risks include immature PQC libraries that are still in beta, performance issues due to larger keys and signatures affecting server responses and mobile UX, integration challenges with third-party services lacking PQC support, and the need to maintain dual cryptographic systems. Teams often underestimate the domino effect where changing crypto algorithms forces re-architecture of core systems, data formats, and communication protocols.

28 Feb 2026
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Short answer

The main hidden risks include immature PQC libraries that are still in beta, performance issues due to larger keys and signatures affecting server responses and mobile UX, integration challenges with third-party services lacking PQC support, and the need to maintain dual cryptographic systems. Teams often underestimate the domino effect where changing crypto algorithms forces re-architecture of core systems, data formats, and communication protocols.

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What are the main hidden risks in post-quantum security app development?

The main hidden risks include immature PQC libraries that are still in beta, performance issues due to larger keys and signatures affecting server responses and mobile UX, integration challenges with third-party services lacking PQC support, and the need to maintain dual cryptographic systems. Teams often underestimate the domino effect where changing crypto algorithms forces re-architecture of core systems, data formats, and communication protocols.

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