Abstract
Blockchain technology has attracted substantial attention from global organizations because of its promise as a solution to centralized system issues. This paper presents a new approach utilizing Geo-Blockchain technology, an integration between blockchain technology and Geographic Information System (GIS) based on Proof of Consensus Verification (PoCV) that can establish a decentralized and tamper-proof record of property transactions. Moreover, the paper proposes combining Modified SLIM Cryptography (MSLIMC) with the Chialvo map to verify the integrity of real estate transactions data and retrieve documents. The GIS of nodes is a condition of secret sharing by using the longitude and latitude of all nodes in the number generation that uses secret shares. The proposed system was evaluated through different metrics like latency time of encryption and decryption of MSLIMC algorithm, Geo-Blockchain built time, and using a set of tests and general rules provided by the National Institute of Standards and Technology (NIST), which tests approximately 97% of the generated random data to ensure that it is sufficiently unpredictable and suitable for cryptographic applications.