A decentralized cryptographic real estate transaction assistance system and method is provided to facilitate matching, engaging, contracting, and communicating between parties to a real estate and/or property rental transaction by a network-leveraged system. The decentralized cryptographic real estate transaction assistance system and method may include a property rental and real estate transaction assistance platform, database, platform components, renter component, matching component, communication component, broker-assisted component, landlord direct component, landlord management component, vendor portal, lead marketplace component, guaranteed rental income protection, renter profile validation aspect, and tenant exchange. A method for facilitating matching, engaging, contracting, and communicating between parties to a real estate and/or property rental transaction by a network-leveraged system using the decentralized cryptographic real estate transaction assistance system and method is also provided.