The Bank of England’s Synchronisation Lab: Building digital settlement foundations

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Why it matters

Bank of England's Synchronisation Lab: Quick Background

Core Event: The Bank of England has launched the Synchronisation Lab, a non-live testing environment designed to demonstrate how payments in central bank money can be synchronized with transactions on distributed-ledger platforms.[1][7] The lab brings together 18 firms to test atomic settlement—where cash and digital assets move together simultaneously—eliminating traditional settlement risk and timing mismatches.[1][7] This capability will eventually be integrated into RT2, the Bank's renewed Real-Time Gross Settlement system featuring modern API architecture and ISO 20022 messaging standards.[1]

Key Participants & Involvement: The initiative involves prospective synchronisation operators, RTGS account holders, asset ledger operators, and end-customers across relevant asset markets.[3] Confirmed participants include firms like Tokenovate, which contributes expertise in tokenised settlement and collateral workflows, and PEXA, selected for 2026 testing of atomic settlement for property transactions.[5][15] The lab operates as a platform where participants build additional integration elements and demonstrate end-to-end use cases using the lab's settlement engine, user interface, and API layer.[3]

Timeline & Context: The Synchronisation Lab builds on earlier foundational work, including the Bank's 2020 CBDC discussion paper and 2022 Project Rosalind (co-launched with the Bank for International Settlements), which developed 33 API functionalities and researched 30+ retail CBDC use cases.[2] The lab directly supports the Bank's broader Digital Pound initiative, with the Digital Pound Lab launching in November 2025 to test innovative payment use cases and API functionality.[2][6] Earlier blockchain testing with PwC demonstrated the technology's viability for gross settlement applications.[4]

Why It's Newsworthy: The Synchronisation Lab represents a critical infrastructure modernization enabling seamless integration of stablecoins, tokenised deposits, and digital securities into the UK financial system while preserving settlement finality through central bank money.[1][8] As digital finance moves toward regulated adoption, this capability addresses a fundamental gap: how to settle transactions safely across fragmented digital platforms without creating parallel liquidity systems or operational risk.[1]

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