Recently, while exploring the DeFi ecosystem, I found that more and more projects are discussing a concept called RWA, but many people are not quite clear on what RWA is. Today, let's talk about this topic.

Simply put, RWA stands for Real World Assets, which are assets from the real world. It sounds broad, but that's exactly what it is—things like US dollars, gold, real estate, bonds, insurance in traditional finance. Once tokenized and placed on the blockchain, they become RWA.

Here's an interesting comparison. The global fixed income bond market size is about $127 trillion, the total value of real estate is approximately $362 trillion, and the market value of gold is around $11 trillion. Meanwhile, the total market cap of native crypto assets is only $1.1 trillion, which is about one-tenth of gold's market value. Think about it—if a small portion of these traditional assets were brought into DeFi, the market potential would be enormous.

So, how is RWA used in DeFi? The common approach is to create tokens representing these assets via smart contracts, while ensuring there is real backing off-chain. The issued tokens can be redeemed for the underlying assets at any time. Currently, there are several main application forms: stablecoins (USDT, USDC, which are RWA), synthetic assets (derivatives that allow trading stocks and commodities), and lending protocols (using RWA as collateral or for credit lending).

Regarding actual cases, MakerDAO has done the best work in this area. Their RWA business has already exceeded $680 million, contributing over 58% of the protocol’s revenue. Their approach is to use assets like U.S. Treasuries, commercial bank loans, and AAA-rated bonds as collateral to mint stablecoins like DAI. Interestingly, the yield on U.S. Treasuries is about 3.5%, while DeFi lending protocols offer only around 2%. This yield difference actually provides DeFi protocols with a sustainable income opportunity.

Centrifuge takes a different route. They tokenize real-world assets in the form of NFTs. Asset originators convert real assets into NFTs, then use them as collateral to create asset pools. Investors can buy tokens of different risk levels based on their preferences. The project's TVL has already surpassed $170 million.

However, RWA is not without risks. The biggest issue is the trust assumption—these assets are still off-chain and cannot be enforced by smart contracts. Ultimately, they still rely on traditional financial institutions for endorsement. This means that the trustworthiness of RWA can never fully match that of native crypto assets, and it’s difficult to achieve truly permissionless DeFi.

From another perspective, STO (Security Token Offerings), although often seen as a limited form of RWA, is actually one of the few asset tokenization solutions in the blockchain industry that is recognized by regulators. This could provide a regulatory-friendly path for the development of RWA.

In summary, the question of "What is RWA" is essentially asking how DeFi can integrate with traditional finance. If this direction proves successful, the entire ecosystem’s potential could far exceed current expectations. Some projects are already working in this space, and it’s worth paying attention to them.