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Quantum Xchange, a developer of quantum key distribution (QKD) technology, has launched Phio Trusted Xchange (TX), a key management system.


  • In addition to being a QKD vendor, Quantum Xchange is now also a provider of infrastructure for managing quantum keys across QKD and PQC.

Features and Benefits

  • Explains the theat to security from quantum computing.
  • Describes the two approaches to solving the quantum safety issue.

Key questions answered

  • What is QKD and what is PQC?
  • What are the shortcomings of QKD?

Table of contents


  • Catalyst
  • Ovum view
  • Key messages


  • Recommendations for enterprises
  • Recommendations for service providers

Quantum computing threatens current encryption

  • Quantum computers are still not a commercial reality
  • All current asymmetric algorithms will be at risk

There are two routes to quantum safety

  • QKD uses physics to enable quantum safety
  • PQC uses math

Quantum Xchange addresses QKD's shortcomings

  • Quantum Xchange is a QKD vendor with its own network
  • Phio TX enables mesh and hub-and-spoke networks


  • Methodology
  • Further reading
  • Author

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