Imagine I have only a part of the address, for example, 0xa2793n. The rest of the address is unknown. Is there any indexer, that stores this information in any suitable format, so I can find the list of "used" addresses?

  1. I know, that the way geth / parity stores the blockchain data doesn't allow such queries. So most likely I need some third party indexer software which maintains an SQL table with the addresses.
  2. Also I know that there's a huge amount of theoretically correct addresses with the same beginning, so this software should only do a search in already used addresses.

The same question for transaction hash. Thanks in advance!


The good news is that Etherscan has an autocomplete feature for address search, check the screenshots below:

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Still not sure if there are any existing solutions for transactions search.

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