Xchange brief
•Published 10 Aug 2026

Post-quantum by 2029: is your firm ready?

As early as 2029, current authentication and confidentiality mechanisms may be obsolete. What are the implications?

Xchange
Post-quantum by 2029: is your firm ready?

Snapshot of this brief: 

  • Why is the industry exposed, even before a cryptographically relevant quantum computer (CRQC) exists? 
  • How could CRQCs shake the fundamental trust in financial market infrastructures?
  • Why might current DLT implementations be obsolete by 2029? 
  • Why is this a major threat to the custody of digital assets? 
  • Why have financial regulators set deadlines as soon as 2027, and full migrations by 2035?

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