I keep hearing that "everything is being tokenized" from real estate to gold. I want to understand the actual smart contract logic behind this. How do you link a physical asset, like a house deed, to an ERC-20 or ERC-721 token? What happens if the physical asset is sold outside the blockchain? Is there a legal-to-code bridge that ensures the token still represents actual ownership?
3 answers
Tokenizing an RWA involves a "Legal Wrapper." A Special Purpose Vehicle (SPV) usually owns the physical asset, and the tokens represent shares in that legal entity. Technically, the smart contract includes metadata (often stored on IPFS) that links to the legal documents and appraisal reports. In 2025, we are seeing more "Oracle" integrations where the contract can query off-chain registries. If a property is sold in the real world, the Oracle triggers a function in the smart contract to burn or transfer the tokens, ensuring the digital and physical worlds stay synced.
This sounds incredibly complex for the average investor. How do we handle "Oracle failure" if the data feed providing the house's status gets hacked or provides wrong info?
It basically turns illiquid assets into liquid ones. You could own 1% of a London apartment and trade it as easily as a stock. It's a massive shift for wealth management.
Well put, Elizabeth. The fractional ownership aspect is what will really democratize investing in high-value assets that were previously out of reach for the general public.
That is the "Oracle Problem" in a nutshell, Thomas. To mitigate this, high-end RWA projects use decentralized oracle networks like Chainlink. Instead of one feed, they aggregate data from multiple independent sources. If one source deviates too much, it's ignored. This multi-signature approach to data prevents a single point of failure from invalidating the token's value.