| CPC G06Q 40/06 (2013.01) [G06N 20/00 (2019.01); G06Q 20/065 (2013.01); G06Q 20/102 (2013.01); G06Q 20/3678 (2013.01); G06Q 40/04 (2013.01); G06Q 40/12 (2013.12); H04L 9/32 (2013.01); G06Q 2220/00 (2013.01)] | 44 Claims |

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1. A computer-implemented method of maintaining a portable financial record for a user on a blockchain comprising a sequence of linked views of a hierarchical portfolio of assets or liabilities owned by the user, wherein each linked view is generated based on machine-learning-model-generated data (AI view), the method comprising:
assembling, by a computer system, a current AI view of the hierarchical portfolio at a current time comprising a first hash-based reference to a revised hierarchical portfolio and individual suggestions for changing the hierarchical portfolio generated as an output of trained machine learning models;
sending, by the computer system, a request to a node of a blockchain network hosting the blockchain storing thereon a preceding AI view of the hierarchical portfolio recorded on the blockchain at a first time earlier than the current time, wherein the request comprises one or more parameters associated with the hierarchical portfolio;
receiving, by the computer system, response data from the node of the blockchain network, the response data including data associated with the preceding AI view of the hierarchical portfolio;
processing, by the computer system, the response data to identify and extract a second hash-based reference to the hierarchical portfolio associated with the preceding AI view;
updating, by the computer system, the current AI view to include the second hash-based reference to the hierarchical portfolio associated with the preceding AI view to obtain an updated AI view
generating, by the computer system via a hashing algorithm, a hash of the updated AI view; and
recording, by the computer system, the updated AI view and the hash of the updated AI view, wherein the recording comprises storing the first hash-based reference to the revised hierarchical portfolio and the second hash-based reference to the hierarchical portfolio on the blockchain, and storing the hierarchical portfolio and the revised hierarchical portfolio in an off-chain storage system; and
making, by the computer system via the blockchain network, a cryptocurrency payment related to the portable financial record.
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