The document discusses the early distributed ledger system used on the Island of Yap in 500 AD, where large stone disks were used as currency. It then discusses the problems with the current real estate system, such as being costly, slow, outdated, and paper intensive. The proposed solution is a REAL System based on blockchain that securely and anonymously handles the registration of participants, determines their roles and authorizations, facilitates real estate documents and transactions, and manages related financial transactions.