The OECD has published a working paper examining how experience from the Great Financial Crisis and the rise of digital finance can inform regulation of the digital economy. It identifies six recurring governance challenges: information asymmetries between firms and supervisors, recognition of systemic risk, regulatory adaptability, path dependency from delayed intervention, regulatory effectiveness, and international co-ordination. The paper concludes that these issues are structurally similar across finance and digital markets, but are more acute in digital settings because technological change is faster, algorithmic systems are more opaque, business models cut across sectors, and network effects can entrench risks quickly. Across those six areas, the paper argues that regulators need earlier and more structured intervention. It points to the need for mandatory reporting frameworks and stronger supervisory data infrastructure before activities reach systemic scale, continuous reassessment of risk categories as technology evolves, and more functional and adaptable regulation that focuses on economic substance rather than legal form or technical classification. It also stresses that delayed action can lock in market structures and raise later correction costs, while effective oversight depends on clear mandates, adequate resources, sound supervisory methodologies and safeguards against regulatory capture. For cross-border activity, the paper says voluntary co-operation is often insufficient under stress and should be reinforced with binding protocols on information sharing, authority allocation and crisis response. The paper ultimately argues that effective governance of the digital economy will require resource commitments at least matching, and potentially exceeding, those made for post-crisis financial sector reform. It highlights the need for real-time monitoring infrastructure, multidisciplinary expertise spanning technology, law and economics, and stronger co-ordination across both domestic regulators and jurisdictions.