
Rosherville Pty Ltd seeks court approval to sue former ASX directors over the failed CHESS blockchain project, which cost $14.4 million in fines. The court's decision is pending.
Rosherville Pty Ltd, an ASX shareholder, has applied to Australia's Federal Court for permission to bring a statutory derivative action against former directors and officers of the Australian Securities Exchange. The action relates to the failed blockchain-based overhaul of the CHESS clearing and settlement system. The application, filed under sections 236 and 237 of the Corporations Act, does not name the individuals publicly or specify the alleged breaches of duty.
The CHESS replacement project began in 2016. ASX partnered with New York-based Digital Asset to build a distributed ledger system, aiming to become the first exchange worldwide to use blockchain at the core of its clearing operations. The original target date was December 2017. The project missed that deadline and several subsequent ones.
In November 2022, ASX suspended the project after an Accenture review identified fundamental design flaws. By May 2023, the exchange abandoned the blockchain approach entirely and reverted to conventional technology. The original CHESS system, in operation since 1994, remains in use.
The Australian Securities and Investments Commission accused ASX of misleading the market in August 2024. ASX had told investors in February 2022 that the project was "progressing well." ASIC said that statement was false and described the situation as a collective failure of the board and senior executives. ASX conceded to misleading conduct in June 2026. The Federal Court fined ASX $14.4 million in July 2026 and ordered it to pay $2.1 million toward ASIC's legal costs.
Rosherville filed its notice of intent after the fine. Derivative actions of this kind are rare in Australia. Courts require the applicant to demonstrate that the company itself is unlikely to take the action and that the suit is in the company's best interests. The application is pending.
The names of the former directors and officers targeted have not been released. The specific breaches of duty alleged are not public. Rosherville has not disclosed what remedies it seeks, whether damages or other relief.
The case shows the risks of ambitious technology projects in regulated financial infrastructure. The ASX blockchain failure is an example for other exchanges considering similar overhauls. Governance and communication failures contributed alongside the technology itself. While ASX abandoned its blockchain plans, other platforms have moved forward with tokenized equities. Bybit, for instance, added Meta and Tesla xStocks as the tokenized equity market reached $1.48 billion.
The Federal Court's decision on whether to grant permission will determine if former ASX leadership faces additional legal exposure beyond the fines already paid.
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