| CPC H04L 9/0819 (2013.01) [H04L 9/50 (2022.05); H04L 63/1408 (2013.01)] | 20 Claims | 

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               1. A computer-implemented method comprising: 
            receiving a first content item; 
                extracting first metadata from the first content item; 
                detecting a match between the first metadata and at least one predetermined metadata element in a knowledge repository pertaining to a target blockchain context; 
                determining a first blockchain wallet address associated with the first content item; 
                providing the first blockchain wallet address to a blockchain search engine; 
                receiving from the blockchain search engine a second blockchain wallet address having a transactional relationship to the first blockchain wallet address recorded in a blockchain searchable by the blockchain search engine; 
                querying at least one content source based on the second blockchain wallet address; 
                responsive to querying the at least one content source based on the second blockchain wallet address, receiving the second content item from the at least one content source; 
                extracting second metadata from the second content item; and 
                updating the knowledge repository based on the second metadata extracted from the second content item. 
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