The development of decentralized finance represents a material reconfiguration of financial intermediation rather than a peripheral experiment in virtual assets. DeFi enables trading, lending, borrowing, liquidity provision and asset management through blockchain based smart contracts, with continuous availability, programmable execution, global accessibility and reduced dependence on conventional intermediaries. The FATF records total value locked at USD 86.644 billion in 2026, approximately 85 percent above the 2023 level, while institutional investors, virtual asset service providers and regulated entities are increasingly committing capital to DeFi arrangements. This track suggests that DeFi will not simply compete with traditional finance, but will progressively intersect with it through tokenized assets, settlement, payments, liquidity and market infrastructure. The policy significance of that convergence lies in the need to preserve innovation without permitting functional substitutes for regulated finance to escape equivalent safeguards. Traditional finance provides legal accountability, prudential discipline, customer identification and institutional channels for enforcement, while DeFi contributes automation, composability, transparency of public ledger transactions, broader access and rapid settlement. The future architecture is therefore likely to be hybrid: regulated institutions will use decentralized infrastructure where it produces efficiency, whereas supervisors will require comparable financial integrity outcomes whenever equivalent financial functions are performed. FATF, the Financial Stability Board, IOSCO and the IMF converge on a technology neutral and function oriented conception under which substance, activity, control and risk prevail over labels or technological form. The July 2026 FATF Targeted Report is consequently best understood as an implementation instrument that updates the 2021 Guidance in light of DeFi’s expansion. Its scope is to identify emerging money laundering, terrorist financing and proliferation financing risks, clarify when the FATF Standards apply. It also provide practical tools for identification, regulation, supervision and investigation, develop criteria for identifying controllers or persons exercising sufficient influence, and recommend measures for public and private actors. The report is expressly non-binding, but its analytical significance is substantial because it translates Recommendation 15 into a functional supervisory methodology for a market whose legal form, governance and territorial nexus are frequently indeterminate. The defining characteristics of DeFi create both utility and vulnerability. Similarly, smart contract automation removes many conventional execution functions, open source and composable architecture permit rapid replication and interaction among protocols, algorithmic market mechanisms automate liquidity, pricing and liquidation, pseudonymous liquidity provision permits participation without conventional identification, permissionless access may eliminate customer due diligence, and reliance on oracles imports external data into automated decisions. These characteristics permit rapid and complex movement of value but also allow illicit proceeds to be layered through liquidity pools, decentralized exchanges, bridges, swaps and multiple chains before supervisory or enforcement systems can react. The regulatory fragmentation, weak compliance, cyber vulnerabilities and diminishing dependence upon regulated entry and exit points further aggravate supervisory difficulty. The applicable legal framework begins with technological neutrality. The recommendation 15 applies where a natural or legal person, as a business, conducts or actively facilitates activities falling within the VASP definition. The software itself is not regulated merely because it executes a financial function, but persons exercising control or sufficient influence over a DeFi arrangement may fall within the regulatory perimeter. FATF differentiates centralized arrangements with identifiable controllers, centralized arrangements in which control exists but controllers are difficult to identify, and truly decentralized arrangements in which no person maintains control or sufficient influence. The first two categories fall within the Standards, the third falls outside direct application, although it remains subject to alternative risk mitigation through adjacent regulated actors. The principal implementation deficit is therefore institutional rather than conceptual. FATF’s 2026 survey found that only 26 of 142 responding jurisdictions had assessed DeFi risks, 132 had not identified qualifying DeFi arrangements operating in their territory, only four had implemented licensing or registration requirements, and only two had licensed or registered such arrangements. The resulting supervisory gap facilitates regulatory arbitrage and demonstrates why national authorities must integrate DeFi into national, sectoral or virtual asset risk assessments, calibrated to materiality, domestic exposure, cross border activity, governance structures and actual financial crime threats. The financial crime typologies identified by FATF demonstrate that DeFi risk is not confined to speculative misconduct. The fraudsters have used purported DeFi structures to misrepresent liquidity and divert investor assets, professional money laundering networks fragment funds across wallets and then use decentralized exchanges, bridges, mixers, swaps and chain hopping to obscure provenance, ransomware groups and hackers use DeFi immediately after compromise to convert and disperse proceeds, and proliferation financing actors have exploited governance weaknesses, oracles, bridges and limited compliance environments. The policy concern is intensified by speed: automated movement can complete layering before authorities, intermediaries or analytics providers can identify the event, establish attribution and initiate restraint. The decisive supervisory question is the identification of control or sufficient influence. FATF treats control as the practical ability to determine or materially influence key operations, service delivery or economic benefits. The relevant indicators include authority to modify or pause smart contracts, alter protocol parameters, control oracles, administer treasury assets, determine participation, appoint key actors, receive material fee flows, control governance votes, operate public interfaces, manage corporate entities, determine development priorities, control essential infrastructure, or direct branding and communications. No single indicator is conclusive. Additionally, authorities should combine public blockchain evidence, governance records, audits, service provider information, financial intelligence and investigative material, and should assess economic reality rather than formal claims of decentralization. The assessment of control must remain continuous because governance can migrate from a company or foundation to a decentralized autonomous organization without relinquishing substantive authority. The concentrated governance tokens, delegated voting blocs, special proposal rights, veto powers, administrative keys, clustered wallets and continuing receipt of protocol revenues may disclose retained control. On the contrary, a genuinely decentralized arrangement, after independent assessment, falls outside direct FATF obligations because no accountable person can be identified. That conclusion does not equate to absence of risk. The authorities should instead influence stablecoin issuers, regulated VASPs, financial institutions and controlled application interfaces, whereas encouraging digital identity, embedded customer due diligence and blockchain analytics within genuinely decentralized environments. The licensing and