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Decentralized finance (DeFi) is likely to develop through two connected changes: more financial activity conducted by blockchain protocols, and closer links between those protocols and stablecoin issuers, payment services, institutions and other traditional-finance infrastructure. That may make some services more useful and accessible, but it does not make DeFi uniformly decentralized, safer than conventional finance or suitable for every household. Its future will depend as much on control, risk management and regulation as on technical innovation.
What DeFi is—and what it is not
DeFi is a broad set of blockchain-based arrangements for activities such as trading, lending, borrowing and staking. Smart contracts can execute transactions according to programmed rules, but the label “DeFi” does not tell you who can change those rules, pause a service, manage its interface or control assets around it.
A protocol may involve developers, governance groups, liquidity providers, custodians, wallet providers or other service businesses. The Financial Action Task Force (FATF) advises assessing what an arrangement does and who exercises control, rather than relying on its name or claims of decentralization. The European Banking Authority (EBA) and European Securities and Markets Authority (ESMA) also analyze DeFi activities including lending, borrowing and staking.
That distinction matters for the future: automation can reduce some steps or intermediaries, while leaving users dependent on code, infrastructure or identifiable organizations. DeFi is a range of arrangements, not a single product with one risk profile.
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What the market figures do—and do not—show
Reported total value locked (TVL) is a measure of value deposited in or associated with protocols under a particular methodology. It is not a measure of user safety, solvency, adoption by ordinary households or the amount users could withdraw during stress. The figures below come from different sources, dates, currencies and measurement contexts, so they should not be read as one continuous market series.
| Measure | Reported figure | What it describes |
|---|---|---|
| DeFi TVL | €45 billion in December 2023; nearly €114 billion at the end of December 2024 | The European Systemic Risk Board’s 2025 monitor reported these values and said end-2024 TVL was about 4% of total crypto market capitalization. |
| Protocol concentration | Around 30% of DeFi TVL at the end of 2024 | The ESRB said Lido, Aave and EigenLayer together accounted for roughly this share. It is a dated snapshot, not a current ranking. |
| DeFiLlama TVL cited by FATF | USD 86.644 billion on 10 May 2026, compared with USD 46.86 billion on 10 May 2023 | FATF’s July 2026 report cited DeFiLlama estimates. The different currency and source context mean these values should not be directly combined with the ESRB’s euro figures. |
| Stablecoin market capitalization | USD 317 billion as of 6 April 2026 | Federal Reserve Board staff reported this figure in an 8 April 2026 FEDS Note, describing it as more than 50% above early 2025. It is stablecoin market capitalization, not DeFi TVL. |
The ESRB characterized DeFi as a niche market in its 2025 EU risk monitor despite the growth in measured TVL. FATF, in its 21 July 2026 report, pointed to increasing participation by institutional investors, virtual-asset service providers and other regulated entities. These descriptions are not contradictory: one is an EU financial-risk characterization, while the other concerns DeFi’s connections to the wider financial system.
Why stablecoins are central to DeFi’s next phase
Stablecoins are used in crypto markets and DeFi, and some are becoming more closely connected to payment applications and conventional financial infrastructure. In its 8 April 2026 staff note, the Federal Reserve Board described rising stablecoin use in DeFi protocols during 2025, alongside growth in transaction volume. The note is staff analysis, not a formal Board rule or policy statement.
The same note identified three developments with potential financial-stability implications:
- More complex intermediation: issuers may depend on chains of service providers, making it harder to see where operational or financial risks sit.
- Vertical integration: firms may combine multiple functions, potentially improving efficiency while making dependencies less transparent.
- Broader retail use: digital-wallet partnerships can bring stablecoins to more users and connect them to payment services.
These connections can provide useful infrastructure, but also create routes through which a disruption or loss of confidence could spread among issuers, reserve assets, service providers, wallets, payment firms and protocols.
The Federal Reserve staff note also compared reserve disclosures for two issuers. It described Tether’s USDT as having approximately 1.04 times reserves per coin in circulation, with about 0.74 times in assets the note’s authors considered higher-quality reserves; Circle’s USDC was described as fully backed 1.0 times by higher-quality reserves. Those are the note’s descriptions of cited disclosures, not a guarantee of redemption, a comparison of all stablecoins or a timeless assessment. Reserve composition and access to redemption matter in addition to a headline backing ratio.
Innovation will be tested by risk and resilience
DeFi’s technical possibilities do not remove familiar financial risks; they can change how those risks appear and spread. The sources identify several issues users and policymakers will need to evaluate as the ecosystem evolves.
Code, operations and governance
Smart-contract code, user interfaces, governance processes and supporting infrastructure can fail or be exploited. A protocol’s rules may also be subject to administrators or governance decisions. An audit can provide information about reviewed code and scope, but it is not a guarantee that a service is safe or that all dependencies have been examined.
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Collateral, liquidity and liquidation
In lending or borrowing arrangements, crypto-asset price swings and shifts in liquidity can affect collateral and trigger liquidations. A TVL figure does not establish how much liquidity will be available to exit a position under pressure. Before using a service, a person would need to understand which assets it accepts, how collateral is valued, when liquidation occurs and what exit constraints apply.
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Stablecoin and counterparty dependencies
A protocol that uses a stablecoin remains exposed to that coin’s issuer, reserve arrangements, redemption process and service providers. As Federal Reserve staff noted, increasingly complex chains can make these dependencies less transparent and create possible channels for operational disruption or runs to propagate.
Concentration and illicit-finance abuse
The ESRB’s end-2024 estimate that three protocols represented around 30% of DeFi TVL illustrates why an open-access system should not automatically be assumed to have broadly distributed value or decision-making. Separately, FATF’s 2026 report discusses criminal abuse, including fraud, ransomware-related activity, professional money laundering and proliferation financing. These are risks of misuse and control failures, not evidence that DeFi activity as a whole is illicit.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Regulation is likely to evolve around activity and control
There is no single global DeFi rulebook. FATF’s 21 July 2026 targeted report recommends that jurisdictions take a functional, risk-based approach, including identifying whether a person or entity exercises control in an arrangement. It also calls for DeFi arrangements and financial institutions or virtual-asset service providers interacting with them to mitigate criminal-abuse risks. FATF standards and recommendations are not, by themselves, a statement of the national law that applies to every user or protocol.
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FATF’s July 2026 report also found that 132 of 143 survey respondents had not implemented FATF standards for qualifying DeFi arrangements, and that two of 142 jurisdictions had licensed or registered a DeFi arrangement in practice. Those denominators and the report’s qualifying-arrangement context matter: the figures do not describe every jurisdiction or every activity called DeFi.
How to evaluate a DeFi service as a personal-finance decision
For an individual, the most useful question is not whether DeFi is “the future,” but what a particular service requires, who or what it depends on, and what could happen to money committed to it. A practical review should cover:
- Function: Is the service for trading, lending, borrowing, staking or something else?
- Control: Who can upgrade or pause contracts, administer the service or make governance decisions?
- Collateral and exits: Which assets are involved, how can positions be liquidated, and what could limit withdrawal?
- Security and operations: What was audited and by whom, what dependencies exist on oracles or bridges, and how do the interface and custody arrangements work?
- Stablecoin and counterparty exposure: Who issues the stablecoin, how does redemption work, and which service providers sit between the user and the protocol?
- Jurisdiction and recourse: Is the service available where you live, what rules apply, what disclosures or complaint routes exist, and what tax consequences may follow?
Self-custody changes who holds the keys; it does not prevent protocol exploits, stablecoin depegs, liquidations, phishing, bridge failures or transaction mistakes. A person considering DeFi should not treat a hardware wallet, an audit, a large TVL figure or a decentralization claim as a substitute for understanding the specific risks and applicable local rules.
What will shape DeFi’s future
DeFi’s direction will be shaped by whether protocols can improve reliability and transparency while managing their dependencies on stablecoins, intermediaries and conventional financial infrastructure. Greater institutional and retail participation may widen use, but it may also intensify questions about concentration, operational resilience, consumer protection and oversight. The most credible view is neither that DeFi will replace finance nor that it is merely a passing experiment: its services and connections are developing, while their risks and regulatory treatment remain uneven across activities and jurisdictions.
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