Cardano Shifts Core Engineers to BlockPQR: What Changes for ADA

Cardano, one of the most established projects in crypto, is undergoing a structural transformation that has nothing to do with its technology and everything to do with how that technology gets built. On August 26, Input Output (IOG), the firm behind Cardano since its inception, announced that a group of engineers responsible for core protocol components will continue their work inside a new independent entity called BlockPQR. The announcement is easy to misread, so the details matter.

To be clear from the start: Cardano is not losing its developers, and Input Output is not walking away from the project. What's actually happening is subtler and, in many ways, more interesting. Cardano is progressively separating its protocol development from the single company that has always managed it, in an effort to become a genuinely decentralized infrastructure, not just technically but organizationally. Here's what that means in practice.

TL;DR: On August 26, 2026, Input Output announced that core Cardano protocol engineers are moving to new independent firm BlockPQR, led by Leonard Hegarty. Separately, Grayscale withdrew its ADA ETF application with the SEC, though a physically-backed ADA ETP remains available in Europe.

What Changes Between Input Output and BlockPQR

The engineers moving to BlockPQR are those who built and maintained some of Cardano's most critical technical components, including the transaction ledger and high-reliability systems. Their work continues; only the organizational wrapper changes. Input Output explicitly retains responsibility for Cardano's development initiatives and objectives, continuing to ensure that work gets completed. What shifts is the structure through which a significant portion of that engineering gets executed: distributed across entities rather than concentrated inside one firm.

This is a strategic reorganization, not an exit. The distinction matters because it determines how the rest of the ecosystem, from ADA holders to institutional investors, should interpret the move.

Cardano's core protocol work continues in the same hands, now at BlockPQR - Input | Output

Input Output Group IOG

Input | OutputIvan Irakoze

Who Leads BlockPQR

One factor that should reassure observers about continuity is the identity of BlockPQR's leader: Leonard Hegarty. Far from an outsider, Hegarty led technical delivery for some of Cardano's most significant protocol upgrades in recent years, overseeing their rollout and the underlying infrastructure preparation. According to Input Output's August 26 announcement, Hegarty also ran core infrastructure for the van Rossem upgrade and now heads blockchain at Midnight Foundation.

That context matters. This isn't a handover to unfamiliar external developers, with all the risk that would entail. It's a transfer of work to a team that already knows Cardano's codebase and infrastructure in depth. The expertise stays; the corporate container changes. There's a meaningful difference between a true personnel replacement and a reorganization that deliberately preserves institutional knowledge.

Not an Isolated Event: A Deliberate Plan

To understand the full weight of this move, it needs to be placed inside a larger, multi-year decentralization strategy that Cardano has been executing methodically. BlockPQR's creation is not a surprise decision. It's the latest piece of a plan whose stated goal is to distribute the development of Cardano's core components across multiple independent teams, rather than keeping everything dependent on a single company.

As part of this process, key infrastructure components are progressively being transferred to specialized external teams, under the supervision of community organizations. One concrete signal of this intent: Input Output has decided to significantly reduce its funding requests from Cardano's common treasury. That's a deliberate push toward ecosystem self-sufficiency, moving away from permanent reliance on the funds and labor of a single actor. It's the practical expression of a philosophy: a project built to be decentralized must be decentralized all the way down, including in who builds it.

Cardano: What Is Happening

The three dimensions of the transformation. Source: Input Output, SpazioCrypto, 2026

• Development: Core engineering is distributing across independent teams like BlockPQR. Not an exit: organizational decentralization.
• Technology: The Dijkstra era is arriving, with the Leios scalability upgrade. Passes through on-chain governance.
• Institutional: In the US, Grayscale withdrew its ADA ETF application. In Europe, a physically-backed ADA ETP already exists.

The Dijkstra Era Arrives at a Critical Moment

This reorganization is happening at a technically significant juncture for Cardano, which amplifies its importance. The project is preparing for its next major technical evolution: the Dijkstra era. This is a two-phase upgrade that will introduce meaningful improvements, particularly on scalability, meaning the network's capacity to process more transactions.

The centerpiece of the first phase is a technology called Leios, designed to substantially increase the number of operations Cardano can handle. This is historically one of the project's most-cited limitations. The dates attached to these upgrades are completion targets, not confirmed launches: each phase must pass testing and, critically, receive approval from Cardano's decentralized governance system, in which ADA holders and designated bodies vote on decisions. That a reorganization this significant is happening precisely while a major upgrade is in preparation is itself telling: the decentralization process is being managed without pausing development momentum.

EDGAR Filing Documents for 0001193125-26-340377

Cardano Wants to Decentralize Who Builds Cardano

This is the most compelling angle of the whole story, and what sets it apart from routine industry news. Decentralization in crypto is usually understood in technical terms: no one controls the network because thousands of computers worldwide maintain it. Cardano is pushing that concept one level further, applying it to its own organizational structure.

The underlying idea: a genuinely decentralized infrastructure shouldn't depend on any single entity, not even the one that created it. If software development, governance decisions, and fund management stay concentrated in one company, however capable, there's always a single point of control and potential fragility. By distributing development across independent teams and delegating decisions to the community, Cardano is attempting to eliminate that structural vulnerability. It's an ambitious and, in some ways, unprecedented organizational experiment: building a project designed to survive and thrive without its original founders.

Grayscale Withdraws Its ADA ETF Application

Against this backdrop of organizational and technical progress, a setback arrived on the institutional adoption front in the United States. In early August, asset manager Grayscale formally withdrew its application with the SEC to launch an ETF based on ADA, Cardano's native token. The withdrawal is documented in an official SEC filing. According to reports, Grayscale also pulled similar ETF applications linked to other cryptocurrencies.

It would be a mistake, though, to leap to the conclusion that “institutional investors are abandoning Cardano.” The picture is more nuanced. While this specific ETF project has stalled in the US, regulated, physically-backed financial products tied to ADA already exist in Europe: a physically-backed ETP offered by an established issuer that holds the actual cryptocurrency and passes staking rewards on to investors. The institutional access picture is two-speed: a setback on one front, a consolidated presence on another. For broader context on these instruments, our guide to cryptocurrencies and how they work covers the basics.

Cardano's core protocol work continues in the same hands, now at BlockPQR - Input | Output

Input Output Group IOG

Input | OutputIvan Irakoze

The Bigger Question

The Cardano story raises a question that cuts to the heart of what “decentralization” actually means in crypto: can a project become genuinely independent from the organizations that created it, without slowing down or losing quality in its development? Few projects have tackled this challenge as systematically as Cardano, and the answer here will carry weight far beyond ADA itself. Whatever the outcome, it offers a model, whether positive or negative, for the entire sector to study.

Two things are worth watching. First, the maturity of a crypto project isn't measured solely by its technology or token price, but by the resilience of its organizational structure. A project that depends on one company is more fragile than one that has distributed its competencies and responsibilities across multiple actors. Second, if this transition succeeds, it will mark a genuinely significant milestone on the long road toward authentic decentralization, not the cosmetic kind. The experiment is ambitious, the outcome far from certain, and that's precisely what makes Cardano one of the most consequential stories to follow in the space right now.