Rewiring settlement
04 Mar 2026
As the London Stock Exchange Group advances plans for a Digital Securities Depository, Zarah Choudhary explores whether digital-native settlement represents incremental enhancement or the beginning of structural redesign across Europe’s post-trade ecosystem
Image: cinfiniteflow/stock.adobe.com
When the London Stock Exchange Group (LSEG) set out plans for a Digital Securities Depository (DSD), it did not frame the initiative as a wholesale replacement of existing infrastructure. Instead, it positioned it as interoperable — an additional settlement rail designed to sit alongside traditional central securities depositories (CSDs) and custodians. Yet beneath the language of coexistence lies a more fundamental question: is digital-native settlement an incremental enhancement, or the beginning of structural redesign in post-trade architecture?
For decades, the European post-trade ecosystem has been shaped by harmonisation efforts designed to reduce operational friction — from the dismantling of Giovannini Barrier 3 to the market standards for corporate actions processing. Those standards formalised the sequence of key dates, structured information flows, and required electronic formatting using ISO messaging standards to ensure consistency across intermediaries.
The DSD concept raises a more radical possibility: not simply harmonised processes, but synchronised ones.
Coexistence or convergence?
Marco Kessler, head of product and business development for digital assets at SIX, argues that blockchain-based workflows are unlikely to displace traditional institutions outright.
“Traditional custodians and CSDs still provide the legal certainty and governance markets depend on, but blockchain-based workflows can reduce reconciliation, speed up confirmation, and automate servicing. The likely outcome is a hybrid model where trusted institutions remain at the centre while new digital rails make post-trade processes faster and more transparent.”
This hybrid framing is echoed across the market. Ryan Taylor, head of funds at Suntera Global, suggests digital settlement platforms are likely to operate alongside existing infrastructure initially, with wholesale replacement dependent on mass industry adoption and substantial technology upgrades.
Valentin Vincendon, chief product officer at BCB Group, describes the LSEG proposal as an integration layer rather than a rip-and-replace exercise. In his view, the DSD is designed to allow asset managers to continue routing orders through existing custodians, while the underlying settlement engine transitions toward multi-chain infrastructure. The implication is a controlled migration rather than systemic shock.
However, coexistence does not eliminate pressure. Richard Baker, founder and CEO of Tokenovate, sees digital settlement capability as part of a broader redesign of post-trade architecture. Rather than sitting outside clearing and custody frameworks, onchain settlement will require those frameworks to become more synchronised and programmable. The operational logic of overnight reconciliation and sequential hand-offs — still embedded in much of Europe’s post-trade infrastructure — is difficult to reconcile with near-instant settlement.
The integration challenge
If tokenised securities are to scale, the operational hurdle is not issuance but integration.
Kessler stresses that asset managers will require tokenised assets to sit within familiar custody, reporting, and risk frameworks rather than in a separate silo. Client asset segregation, interoperability with collateral systems, and alignment with portfolio management tools will be critical.
James Pike, chief revenue officer and head of strategy at Taskize, warns that tokenisation risks reshuffling complexity rather than removing it.
“The aim for banks should not be tokenisation for its own sake. Instead, they need the operating model, data, communications, and workflow infrastructure that allows them to absorb tokenised collateral seamlessly if and when eligibility expands.”
Unless collateral processes modernise in parallel, Pike cautions, the industry risks “doing 21st-Century finance with 20th-Century plumbing”.
This tension mirrors historic harmonisation efforts. Corporate action processing standards, for example, required structured electronic communication throughout the chain of intermediaries to reduce fragmentation. Digital settlement extends that principle from harmonised messaging to real-time data synchronisation.
Embedding common data standards such as the Common Domain Model (CDM), as Baker suggests, becomes central. Without canonical data alignment, near-instant settlement risks importing legacy fragmentation into digital rails.
Settlement finality and legal recognition
If operational readiness is one challenge, legal certainty is another.
Atomic delivery-versus-payment (DvP) settlement promises simultaneous movement of cash and securities, reducing counterparty exposure, and compressing settlement cycles. But legal ownership and finality definitions remain foundational to market confidence.
Vincedon highlights a core ambiguity: on a distributed ledger, particularly those using probabilistic consensus mechanisms, what constitutes the legally irrevocable moment of transfer?
In traditional European frameworks, settlement finality is precisely codified. In tokenised markets, harmonised definitions across jurisdictions remain under debate.
Baker reinforces the point, noting that efficiencies only scale if digital ownership rights and settlement finality sit within a clear regulatory perimeter. Without explicit legal recognition of digital titles and enforceability of smart contract logic, operational gains risk being undermined by litigation exposure or inconsistent cross-border treatment.
Cross-border divergence has historically generated friction in European capital markets. The European Commission’s analysis of cross-border obstacles highlights how legal and administrative misalignment accounts for the majority of barriers to cross-border cooperation. If digital securities develop without aligned legal frameworks, the market risks replacing reconciliation friction with jurisdictional fragmentation.
Liquidity, funding, and capital efficiency
The compression of settlement cycles from T+2 toward near-instant execution has implications beyond operational speed.
Faster settlement can free capital and improve liquidity efficiency, but it shifts risk into intraday funding management. Real-time liquidity control replaces multi-day margin windows.
Kessler notes that risk does not disappear; it relocates toward operational resilience and governance of digital infrastructure.
Melvis Langyintuo, executive director at The Canton Foundation, argues that capital markets are unlikely to converge on a single ledger. Instead, interoperable regulated networks are more probable. For professional markets, the ability to provide synchronised, privacy-enabled settlement while maintaining institutional governance standards will determine scalability.
The emphasis, again, is on integration rather than disruption.
Servicing in a programmable environment
The more structural impact may emerge not at trade matching but within asset servicing.
Corporate action processing today relies on predefined sequences — announcement, ex date, record date, payment date — with intermediaries cascading information down the chain.
Tokenised securities introduce programmable lifecycle events embedded within the asset itself. Smart contracts can automate distributions, redemptions, and reorganisations, potentially reducing manual intervention and market claims.
Vincedon argues that tokenisation represents a shift from static electronic ledgers to programmable ones. Over time, custodians may transition from record-keepers to secure key managers and node operators, while servicing models become more event-driven.
Baker describes the likely trajectory as a move away from siloed, sequential servicing toward integrated ecosystems with real-time lifecycle visibility.
The shift is subtle but structural: from harmonisation of processes to embedding logic directly within infrastructure.
Incremental upgrade or systemic redesign?
On the surface, the LSEG Digital Securities Depository is framed as evolutionary — a complementary settlement venue designed to coexist with established institutions.
In practice, its implications extend into governance, liquidity management, legal harmonisation, and servicing architecture.
Digital-native settlement venues may initially operate in parallel with traditional CSD models. Yet the demands of atomic settlement, programmable lifecycle management, and synchronised data frameworks apply pressure across the post-trade chain.
The history of European market integration shows that harmonisation is rarely instantaneous. It evolves through incremental alignment of standards, legal frameworks, and infrastructure.
The question facing the industry is not whether digital settlement will replace legacy systems overnight. It is whether the underlying architecture of post-trade — built on sequential processing and layered reconciliation — can adapt to a model defined by synchronisation and programmability.
If it can, coexistence will prevail.
If it cannot, structural redesign may follow.
For decades, the European post-trade ecosystem has been shaped by harmonisation efforts designed to reduce operational friction — from the dismantling of Giovannini Barrier 3 to the market standards for corporate actions processing. Those standards formalised the sequence of key dates, structured information flows, and required electronic formatting using ISO messaging standards to ensure consistency across intermediaries.
The DSD concept raises a more radical possibility: not simply harmonised processes, but synchronised ones.
Coexistence or convergence?
Marco Kessler, head of product and business development for digital assets at SIX, argues that blockchain-based workflows are unlikely to displace traditional institutions outright.
“Traditional custodians and CSDs still provide the legal certainty and governance markets depend on, but blockchain-based workflows can reduce reconciliation, speed up confirmation, and automate servicing. The likely outcome is a hybrid model where trusted institutions remain at the centre while new digital rails make post-trade processes faster and more transparent.”
This hybrid framing is echoed across the market. Ryan Taylor, head of funds at Suntera Global, suggests digital settlement platforms are likely to operate alongside existing infrastructure initially, with wholesale replacement dependent on mass industry adoption and substantial technology upgrades.
Valentin Vincendon, chief product officer at BCB Group, describes the LSEG proposal as an integration layer rather than a rip-and-replace exercise. In his view, the DSD is designed to allow asset managers to continue routing orders through existing custodians, while the underlying settlement engine transitions toward multi-chain infrastructure. The implication is a controlled migration rather than systemic shock.
However, coexistence does not eliminate pressure. Richard Baker, founder and CEO of Tokenovate, sees digital settlement capability as part of a broader redesign of post-trade architecture. Rather than sitting outside clearing and custody frameworks, onchain settlement will require those frameworks to become more synchronised and programmable. The operational logic of overnight reconciliation and sequential hand-offs — still embedded in much of Europe’s post-trade infrastructure — is difficult to reconcile with near-instant settlement.
The integration challenge
If tokenised securities are to scale, the operational hurdle is not issuance but integration.
Kessler stresses that asset managers will require tokenised assets to sit within familiar custody, reporting, and risk frameworks rather than in a separate silo. Client asset segregation, interoperability with collateral systems, and alignment with portfolio management tools will be critical.
James Pike, chief revenue officer and head of strategy at Taskize, warns that tokenisation risks reshuffling complexity rather than removing it.
“The aim for banks should not be tokenisation for its own sake. Instead, they need the operating model, data, communications, and workflow infrastructure that allows them to absorb tokenised collateral seamlessly if and when eligibility expands.”
Unless collateral processes modernise in parallel, Pike cautions, the industry risks “doing 21st-Century finance with 20th-Century plumbing”.
This tension mirrors historic harmonisation efforts. Corporate action processing standards, for example, required structured electronic communication throughout the chain of intermediaries to reduce fragmentation. Digital settlement extends that principle from harmonised messaging to real-time data synchronisation.
Embedding common data standards such as the Common Domain Model (CDM), as Baker suggests, becomes central. Without canonical data alignment, near-instant settlement risks importing legacy fragmentation into digital rails.
Settlement finality and legal recognition
If operational readiness is one challenge, legal certainty is another.
Atomic delivery-versus-payment (DvP) settlement promises simultaneous movement of cash and securities, reducing counterparty exposure, and compressing settlement cycles. But legal ownership and finality definitions remain foundational to market confidence.
Vincedon highlights a core ambiguity: on a distributed ledger, particularly those using probabilistic consensus mechanisms, what constitutes the legally irrevocable moment of transfer?
In traditional European frameworks, settlement finality is precisely codified. In tokenised markets, harmonised definitions across jurisdictions remain under debate.
Baker reinforces the point, noting that efficiencies only scale if digital ownership rights and settlement finality sit within a clear regulatory perimeter. Without explicit legal recognition of digital titles and enforceability of smart contract logic, operational gains risk being undermined by litigation exposure or inconsistent cross-border treatment.
Cross-border divergence has historically generated friction in European capital markets. The European Commission’s analysis of cross-border obstacles highlights how legal and administrative misalignment accounts for the majority of barriers to cross-border cooperation. If digital securities develop without aligned legal frameworks, the market risks replacing reconciliation friction with jurisdictional fragmentation.
Liquidity, funding, and capital efficiency
The compression of settlement cycles from T+2 toward near-instant execution has implications beyond operational speed.
Faster settlement can free capital and improve liquidity efficiency, but it shifts risk into intraday funding management. Real-time liquidity control replaces multi-day margin windows.
Kessler notes that risk does not disappear; it relocates toward operational resilience and governance of digital infrastructure.
Melvis Langyintuo, executive director at The Canton Foundation, argues that capital markets are unlikely to converge on a single ledger. Instead, interoperable regulated networks are more probable. For professional markets, the ability to provide synchronised, privacy-enabled settlement while maintaining institutional governance standards will determine scalability.
The emphasis, again, is on integration rather than disruption.
Servicing in a programmable environment
The more structural impact may emerge not at trade matching but within asset servicing.
Corporate action processing today relies on predefined sequences — announcement, ex date, record date, payment date — with intermediaries cascading information down the chain.
Tokenised securities introduce programmable lifecycle events embedded within the asset itself. Smart contracts can automate distributions, redemptions, and reorganisations, potentially reducing manual intervention and market claims.
Vincedon argues that tokenisation represents a shift from static electronic ledgers to programmable ones. Over time, custodians may transition from record-keepers to secure key managers and node operators, while servicing models become more event-driven.
Baker describes the likely trajectory as a move away from siloed, sequential servicing toward integrated ecosystems with real-time lifecycle visibility.
The shift is subtle but structural: from harmonisation of processes to embedding logic directly within infrastructure.
Incremental upgrade or systemic redesign?
On the surface, the LSEG Digital Securities Depository is framed as evolutionary — a complementary settlement venue designed to coexist with established institutions.
In practice, its implications extend into governance, liquidity management, legal harmonisation, and servicing architecture.
Digital-native settlement venues may initially operate in parallel with traditional CSD models. Yet the demands of atomic settlement, programmable lifecycle management, and synchronised data frameworks apply pressure across the post-trade chain.
The history of European market integration shows that harmonisation is rarely instantaneous. It evolves through incremental alignment of standards, legal frameworks, and infrastructure.
The question facing the industry is not whether digital settlement will replace legacy systems overnight. It is whether the underlying architecture of post-trade — built on sequential processing and layered reconciliation — can adapt to a model defined by synchronisation and programmability.
If it can, coexistence will prevail.
If it cannot, structural redesign may follow.
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