Australia's stock exchange is deep into a A$445 million overhaul of the system that clears and settles every equity trade in the country, a project that follows a blockchain experiment that burned through roughly A$250 million and ended in write-offs and regulatory proceedings. As of April 2026, the Australian Securities Exchange (ASX) is pushing ahead with a conventional, cloud-based replacement built by Tata Consultancy Services (TCS), even as Nasdaq prepares to settle its first tokenised stock trades before the year is out.

The system being replaced is CHESS, short for Clearing House Electronic Subregister System, which has been running since 1994. Phase 1 of the new platform, covering clearing services, is expected to be delivered in 2026 at a cost of A$105 to A$125 million. Phase 2, which covers settlement and the sub-register of share ownership, is targeted for 2028 to 2029 and budgeted at A$270 to A$320 million. The ASX will remain on T+2 settlement, meaning trades take two days to finalise, through at least 2030. The United States moved to T+1 settlement in 2024.

The original CHESS replacement project, launched in 2017 with New York startup Digital Asset Holdings, in which ASX also took an equity stake, was once held up as proof that distributed ledger technology could anchor national financial infrastructure. It was not. ASX killed the project in November 2022 after an independent review by Accenture found "significant challenges with the solution design." The write-off came to roughly A$250 million. The exchange's share price dropped 4.3 percent on the day of the announcement, closing at A$66.18. In August 2024, Australia's securities regulator ASIC filed legal proceedings against ASX, alleging it misled investors in February 2022 by describing the project as "on track for go-live" in April 2023 and "progressing well" even as internal documents reportedly showed material risks had been flagged since December 2021. Just six weeks after those public statements, ASX acknowledged a "strong likelihood of delay." ASIC is seeking declarations, financial penalties, and adverse publicity orders. ASX denies wrongdoing. The case is ongoing.

The damage did not stop at the legal filing. On December 20, 2024, CHESS suffered a major outage. By March 28, 2025, both the Reserve Bank of Australia and ASIC had downgraded ASX's operational risk compliance rating to "not observed," the lowest possible grade. ASX CEO Helen Lofthouse has said the new vendor selection process was designed to prioritise meeting current and future market needs and licence obligations, enabling a safe transition from the incumbent platform, minimising industry impacts where possible, and having the capability to provide interoperability and facilitate future innovation as driven by market demand. Critics are not convinced. Philip Galvin, the former head of the Sydney Futures Exchange, has said the governance structures around the new project offer little comfort. "The ASX board has no concept of why organizations fail, because of their governance," he said. The advisory group overseeing the new project can ensure a vendor selection process exists but holds no power to approve or block decisions. Critics have also pointed to TCS's track record in capital markets: while experienced in banking technology, TCS is regarded by some as a newcomer to capital markets infrastructure, and its Toronto Stock Exchange project ran four years late and significantly over budget.

While ASX methodically rebuilds, the tokenisation of financial assets is moving from pilot to live infrastructure elsewhere. In March 2026, the US Securities and Exchange Commission approved Nasdaq to run a pilot allowing eligible participants to trade and settle certain equities as blockchain tokens, operating through the DTCC clearinghouse. The first tokenised trades are expected in Q3 2026. Nasdaq has also partnered with crypto exchange Kraken and Boerse Stuttgart's Seturion, a European institutional platform, to distribute tokenised equities internationally. Analysts note, however, that Nasdaq's tokenised system remains confined to a permissioned network that still relies on intermediaries, limiting the efficiency gains relative to more progressive jurisdictions. Separately, the UK's Digital Securities Sandbox, launched in late 2024, already has HSBC and NatWest trading tokenised government bonds under modified settlement rules that allow for instant settlement. The EU's MiCA regulation, fully in force since 2025, gives digital asset firms a single licence to operate across 27 countries.

On-chain data from DefiLlama puts total tokenised real-world asset (RWA) value at roughly $17.3 billion as of early 2026, not counting stablecoins. When stablecoins are included, the broader tokenised asset market sits near $230 billion, according to data compiled by Blocklr and reported by Yahoo Finance. BlackRock's BUIDL fund, which holds tokenised assets on the Ethereum blockchain, has reached $2.8 billion. Analyst projections put the broader tokenised RWA market at $300 billion by end of year, though that figure is forward-looking and not guaranteed.

For markets outside the US and Europe, the ASX story carries direct lessons. In Africa, African Capital Markets News has cited the CHESS failure as a reference point for what poor governance looks like in blockchain infrastructure projects. South Africa is the most immediately affected, with local crypto service providers already offering tokenised access to foreign-listed shares for retail investors. South Africa's new exchange control regime could either accelerate or complicate the expansion of that market, depending on how the Financial Sector Conduct Authority frames its regulatory signal. In October 2024, the Global Settlement Network and Diacente Group announced a partnership to build a tokenised economy in Africa tied to $5.5 billion in real-world infrastructure, a concrete indicator of institutional appetite in the region. Nigeria and other African markets are separately exploring central bank digital currencies and blockchain-backed settlement pilots. In India, SEBI has taken a cautious stance on tokenised securities, but the GIFT City special economic zone is working toward its own regulated framework for on-chain instruments, potentially by late 2026. The IFSCA's public consultation on that framework closed in February 2025. Any resulting rules would be ring-fenced within the special zone and not integrated with India's main exchange infrastructure, a significant qualification for those expecting broader market transformation. India is also exploring tokenised trade finance as a potential solution to a USD $300 billion export-credit gap, with blockchain-based letters of credit potentially going live if the Reserve Bank of India joins mBridge trials.

The practical question facing every exchange that has not yet moved is no longer whether tokenised settlement is technically viable. Nasdaq, the UK, and a growing number of institutional platforms have answered that. The question is sequencing: whether to rebuild legacy infrastructure first, layer tokenised rails on top of existing systems, or attempt both simultaneously. Australia has spent nearly a decade learning what happens when that sequencing goes wrong.