Deed must list the wallet address, like a property description. That's the only way.
Really? Will municipalities accept a wallet address? Highly unlikely.
Which countries does Swarm Fund plan to operate in? Can they prove that each of these countries will accept a crypto wallet address on a land title deed? Highly unlikely.
Let's say that these municipalities will, which is a stretch, how does Swarm Fund prove that my ERC20 token owns a percentage of the assets that their wallet owns?