Method and system for IOT device digital asset permission transfer system using blockchain network

A method for protection of data transfers for internet of things (IoT) devices using a blockchain includes: receiving, by a node in a blockchain network, a data message from an IoT device formatted according to an IoT messaging protocol and including a device identifier associated with the IoT device and encrypted data; generating a new block including one or more data values including the received data message; transmitting the generated new block to one or more additional nodes in the blockchain network; receiving a data request from an external device including an external identifier associated with the external device; verifying permission of the external device to access the encrypted data based on the external identifier and device identifier; and transmitting the encrypted data to the external device.