Method And System For Data Retention In Pruned Blockchains

Abstract: A method for verification of a pruned blockchain transaction includes: receiving, by a receiver of a computing device, a subset of blocks included in a plurality of blocks comprising a blockchain, wherein each block includes one or more blockchain data values; receiving, by the receiver of the computing device, an authentication code; identifying, by a processor of the computing device, a plurality of data chunks in the subset of blocks using the authentication code, where each data chunk of the plurality of data chunks is included in one of the one or more blockchain data values in a block of the subset of blocks; decoding, by the processor of the computing device, a transaction value using at least the identified plurality of data chunks and a fountain code algorithm; and verifying, by the processor of the computing device, the decoded transaction value.

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