DeFi's narrative arc changed when interest rates rose. In 2020–2021, DeFi offered yields that traditional finance couldn't match — stablecoin lending at 10–20% APY when savings accounts paid zero. When the Federal Reserve raised rates from 0.25% to 5.5% between 2022 and 2023, the calculus inverted: US Treasuries yielding 5% suddenly made holding idle USDC look expensive. DeFi's response was to bring the higher-yielding real-world assets on-chain — tokenising government securities, private credit, and other traditional instruments so DeFi protocols and their users could access real-world yield without leaving the blockchain ecosystem. Real-World Asset (RWA) tokenisation grew from a niche experiment in early 2022 to an $8B+ sector by 2026, fundamentally altering how DeFi protocols manage their treasuries and how investors think about stablecoin alternatives.
The Interest Rate Catalyst
To understand why RWA tokenisation exploded, understand the opportunity it addressed. MakerDAO — the protocol behind DAI, DeFi's largest decentralised stablecoin — held billions in USDC and ETH collateral earning minimal yield while paying DAI holders a Dai Savings Rate (DSR). Every percentage point of yield on that collateral was protocol revenue that could fund development, increase the DSR for DAI holders, and strengthen the protocol's capital reserves. When Treasuries moved from 0% to 5%, the difference between "hold USDC at 0%" and "hold tokenised Treasuries at 5%" on a $5B collateral base was $250M per year. That's the number that turned MakerDAO's board from RWA sceptics to RWA advocates almost overnight.
MakerDAO became the largest single RWA adopter in DeFi, allocating $1.7B to tokenised US Treasury and bond products through authorised vault mechanisms — generating over $100M annually for the protocol during peak rate environment. The transformation from crypto-pure governance to "real-world yield maximiser" was philosophically controversial within MakerDAO's community (some argued it reintroduced centralisation risk) but financially transformative. The Maker model demonstrated to the rest of DeFi that RWA integration was not a compromise of DeFi values but a rational yield optimisation — and the rush to replicate it reshaped the sector.
Tokenised US Treasuries: The Largest Category
By value, tokenised short-term US government securities dominate the RWA landscape. The major products represent different approaches to the same underlying asset: Franklin Templeton FOBXX (BENJI tokens) is a registered US money market fund whose shares are recorded on Polygon and Stellar blockchains. As a registered fund, it's accessible to US retail investors with standard money market risk profile and SIPC brokerage protections. This is the most conservative RWA option — it's a regulated fund with on-chain record-keeping rather than a DeFi-native structure. Ondo Finance OUSG is a tokenised wrapper around BlackRock's iShares Short Treasury Bond ETF, providing institutional and accredited investors outside the US with yield-bearing tokens backed by T-bill ETF shares. OUSG is composable with DeFi — it can be used as collateral in lending protocols. Mountain Protocol USDM is a yield-bearing stablecoin that holds Treasuries in reserve and distributes yield daily as additional USDM tokens — a "rebasing" model where your balance increases over time to reflect interest earned. USDM targets DeFi users who want a stablecoin that earns the risk-free rate passively without interacting with the underlying Treasury product directly.
Superstate (USTB) offers tokenised Treasury fund shares with broad DeFi integration, founded by Compound Finance's creator with explicit design for use as yield-bearing collateral in lending protocols. Backed Finance tokenises ETF shares more directly, creating transferable ERC-20 tokens backed 1:1 by physical ETF holdings held in a Swiss-regulated custodian — the closest to a "spot ETF on a blockchain" available. The competitive dynamics among these products centre on accessibility (KYC requirements, minimum investments, geography restrictions), yield accuracy (daily vs weekly vs monthly distribution), and DeFi composability (which lending protocols accept each token as collateral). Products that achieve broad DeFi collateral acceptance gain significant adoption advantages through their utility beyond pure yield.
Private Credit: Higher Yield, Higher Risk
Beyond government securities, tokenised private credit offers yields of 8–15% — reflecting the genuine credit risk of lending to businesses rather than the government. Centrifuge is the most established private credit protocol, having processed $550M+ in originations across multiple asset pools. Centrifuge's structure: real-world business assets (invoice receivables, real estate bridge loans, microfinance receivables, trade finance) are transferred to a special purpose vehicle (SPV), which issues two token classes — DROP tokens (senior, lower yield, protected against first losses) and TIN tokens (junior, higher yield, absorb initial losses). DROP and TIN tokenise the senior/subordinated tranche structure of traditional structured finance. Each Centrifuge pool is backed by a legal agreement tying token holders' claims to the underlying business assets — not just smart contract code. Centrifuge pools have provided collateral for MakerDAO vaults, allowing Maker to earn private credit yield through tokenised SPV shares. Default rates across Centrifuge pools have been relatively low but non-zero — several pools experienced payment delays and partial recoveries, illustrating that private credit risk exists regardless of blockchain wrapping.
Maple Finance focuses on institutional lending: established crypto companies, fintech businesses, and trading firms borrow against corporate credit, with pool delegates performing credit underwriting. Maple's 2022–2023 experience was instructive — several borrowers (3AC, Orthogonal Trading, Auros Global) defaulted during the bear market, causing significant losses to USDC lenders in those pools. Maple's subsequent recovery involved stricter credit standards, over-collateralised lending pools, and a rebuilt reputation with institutional lenders. The lesson: on-chain rails do not change the fundamental credit risk dynamics of lending to businesses. Due diligence on private credit protocols requires understanding the underlying borrower quality, not just the smart contract architecture.
Legal Structures: The Necessary Off-Chain Infrastructure
Every RWA token ultimately depends on an off-chain legal relationship — the connection between the on-chain token and the real-world asset it represents. The most common structures: SPV wrapper — a special purpose vehicle (LLC, Cayman Islands company, or equivalent) holds the real-world asset; the SPV issues tokens representing beneficial ownership or debt claims. Direct fund tokenisation — a registered investment fund whose shares are recorded on-chain (Franklin Templeton's model). Trust-based custody — a regulated custodian (like a Swiss bank) holds assets with legal title; token holders have contractual claims against the custodian. The critical question for any RWA investment: what legal mechanism allows the token holder to enforce their claim against the underlying asset if the token issuer defaults or disappears? The smart contract guarantees only the token mechanics; the legal structure must provide the ultimate claim. Jurisdictions like the Cayman Islands, Luxembourg, and Switzerland have developed RWA-friendly frameworks; US regulatory complexity makes direct US-resident access to many RWA products limited or impossible without the registered fund structure (FOBXX being the exception).
Risks and Limitations
RWA tokenisation introduces several risks that pure DeFi products don't share. Custodial risk: the underlying real-world assets are held by centralised custodians. If the custodian is insolvent, custodial segregation laws in the relevant jurisdiction determine whether token holders can recover their assets — not smart contract code. Oracle risk: on-chain protocols that use RWA tokens as collateral need reliable price feeds. Unlike ETH whose price is continuously discoverable on-chain, a tokenised real estate portfolio's value depends on periodic off-chain appraisals — creating potential collateral valuation uncertainty. Regulatory risk: the regulatory status of many RWA tokens is unclear in key jurisdictions. An RWA product available today could face regulatory action that impairs redemptions — as happened with Tether's MiCA compliance challenges in Europe. Interest rate risk: the appeal of tokenised Treasuries was 5% yield in a high-rate environment. As rates normalise (Federal Reserve began cutting in late 2024), Treasury yields have declined, and the yield premium over purely on-chain products has narrowed. RWA's secular growth thesis — that traditional financial products belong on-chain for efficiency — remains intact regardless of rate cycles, but the near-term yield advantage that drove adoption may diminish as rates continue declining.
The Institutional Trajectory
RWA tokenisation is one of the few areas where traditional financial institutions and DeFi builders are converging rather than competing. BlackRock's BUIDL (Blackrock USD Institutional Digital Liquidity Fund on Ethereum), announced in March 2024, is perhaps the most powerful signal: the world's largest asset manager building an on-chain product specifically designed for DeFi composability, in partnership with Securitize for transfer agent services. BUIDL's launch validated the institutional case for on-chain fund management and accelerated the timeline for major TradFi institutions building blockchain-native financial products. The trajectory points toward a future where the distinction between "DeFi yield" and "traditional finance yield" erodes — on-chain protocols hold tokenised government bonds as reserves, earn real-world yield, and distribute it to DeFi users seamlessly, with the blockchain infrastructure being invisible to end users who care only about the yield, the risk, and the liquidity. That future is already partially here in 2026, with $8B in RWAs on-chain — a number that was zero in 2020 and that every major financial institution is now studying.
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