It's also one of the most famous recurrent scams in Brazil.

But how do investors collect on this collateral? Do they have any legal leverage? And how does blockchain help them?

Blockchain and tokenization would seem to help with transactions with investors who are far away who don't know the farmers personally. Again, how do they collect?

And if you're local and know the farmer, why do you need blockchain? A spreadsheet, a piece of paper, or just a handshake would do.