Disclosed herein are computer-implemented methods, computer-implemented systems, and non-transitory, computer-readable media, to index blockchain data for storage. One computer-implemented method includes generating one or more encoded blocks by executing error correction coding (ECC) on one or more blocks of a blockchain. Each of the one or more encoded blocks are divided into a plurality of datasets. An index is provided for the one or more encoded blocks, where the index is used to index each dataset of the plurality of datasets to a blockchain node at which a respective dataset is stored.