2026-06-11

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G7 central banks publish reference report on quantum technologies and their implications for the financial system

The G7 Central Bank Quantum Technologies Working Group published a non-prescriptive report establishing a shared analytical framework for assessing the implications of quantum technologies on the financial ecosystem. The document identifies risks to cryptographic systems, specifically the 'harvest now, decrypt later' threat, and notes potential opportunities in information processing for risk modelling and forecasting. It proposes close cooperation between central banks, public authorities, and financial stakeholders to develop common frameworks for assessing associated risks and trade-offs. The report does not set out operational recommendations but provides a structured approach to inform future decisions.

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