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A shareholder is taking aim at the people who ran ASX when its blockchain dream collapsed. Rosherville Pty Ltd, an ASX shareholder, wants Federal Court permission to launch a statutory derivative action against former officers and directors of the Australian Securities Exchange over the botched overhaul of the CHESS clearing system.
The legal push relies on sections 236 and 237 of Australia’s Corporations Act. If the court says yes, Rosherville would pursue the action on behalf of ASX itself — not against it. ASX has been careful to say no allegations point at the exchange as an entity, and the names of the former officials being targeted haven’t been made public. The specific breaches alleged? Also undisclosed. So there’s a lot still murky here, and the court hasn’t decided yet whether the case moves forward at all.
A Decade-Long Disaster in the Making
The CHESS replacement project kicked off in 2016. ASX partnered with New York-based Digital Asset, a firm focused on distributed ledger technology, with the goal of becoming the first securities exchange in the world to run blockchain at the core of its clearing and settlement operations. The original target date was December 2017. That deadline came and went. So did several others.
Things got bad fast in late 2022. ASX halted the project in November of that year after an Accenture review found major design flaws baked into the system. By May 2023, ASX officially pulled the plug on the blockchain approach entirely, switching back to conventional technology. The CHESS system it was supposed to replace had been running since 1996 — and it’s basically still running now.
The financial hit has been real. The Federal Court fined ASX $14.4 million in July 2026 and ordered it to pay an additional $2.1 million toward ASIC’s legal costs. That ruling wrapped up the regulator’s case just before Rosherville announced it was coming for the former directors.
ASIC’s Case and ASX’s Admission
The Australian Securities and Investments Commission moved against ASX back in August 2024, accusing the exchange of misleading the market. The specific claim: ASX told investors in February 2022 that the blockchain project was “progressing well.” ASIC said that was false, and called the situation a collective failure of ASX’s board and senior executives — not just one or two bad actors, but a broader governance breakdown at the top.
ASX conceded to misleading conduct in June 2026. That admission came before the Federal Court handed down the fine the following month. So by the time Rosherville filed its notice of intent, ASX had already admitted it misled the market and paid for it. But Rosherville apparently thinks the accountability shouldn’t stop there.
It’s worth stepping back for a second. Derivative actions by shareholders — where a shareholder sues on behalf of a company rather than for personal damages — aren’t common. They’re hard to get approved. Courts set a fairly high bar, and the applicant has to show the company itself probably won’t take the action and that pursuing it is in the company’s best interests. Rosherville still needs that court approval, and it’s not guaranteed.
What Stays Unknown
The names of the former directors being targeted haven’t been released. The specific breaches of duty alleged against them haven’t been spelled out publicly either. And the remedies Rosherville is actually seeking — damages, disgorgement, something else — aren’t clear. Rosherville hasn’t said, or at least hasn’t said publicly.
What is clear is the scale of what went wrong. ASX spent years and enormous resources on a project that ended in cancellation, regulatory fines, and now shareholder litigation. Digital Asset, the New York-based partner that helped design the system, isn’t named in the current action. The Accenture review that flagged the design flaws in 2022 was the turning point — once that report landed, the project basically couldn’t survive.
For anyone watching how blockchain adoption plays out in regulated financial infrastructure, the ASX case is probably the most prominent cautionary story anywhere in the world. Exchanges in other markets have watched it closely. The technology itself wasn’t the only problem — governance, oversight, and how executives communicated with the market all came apart at the same time.
Rosherville’s application is pending. The Federal Court’s decision on whether to grant permission will determine if former ASX leadership faces another round of legal exposure beyond what ASIC already extracted — $14.4 million in fines and $2.1 million in costs.
Frequently Asked Questions
What is Rosherville Pty Ltd trying to do in court?
Rosherville Pty Ltd is seeking Federal Court approval to launch a statutory derivative action under sections 236 and 237 of Australia’s Corporations Act against former ASX directors and officers over the failed CHESS blockchain project.
How much was ASX fined over the blockchain failure?
The Federal Court fined ASX $14.4 million in July 2026 and ordered it to pay an additional $2.1 million toward ASIC’s legal costs after ASX admitted to misleading conduct related to the project.
