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What is goerli-image-hunt?

thewhiteh4t/goerli-image-hunt — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2021-11-25

★ 25PythonAudience · researcherComplexity · 2/5DormantSetup · moderate

In one sentence

Script that scans Goerli testnet Ethereum transactions for hidden images encoded as hexadecimal data and automatically extracts and saves them, built for a cybersecurity puzzle.

Mindmap

mindmap
  root((goerli-image-hunt))
    Inputs
      Date range
      Etherscan block lookup
      Goerli transaction data
    Outputs
      Extracted JPG PNG images
    Use Cases
      Blockchain forensics
      CTF challenges
      Hidden data recovery
    Tech Stack
      Python
      Etherscan API

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Scan a range of Goerli testnet blocks to find and extract images hidden in transaction input data.

USE CASE 2

Automate a cybersecurity CTF challenge that involves recovering hidden files from blockchain transactions.

USE CASE 3

Investigate suspicious blockchain activity by searching transaction data for embedded file signatures.

USE CASE 4

Learn how binary file signatures (magic bytes) can be used to detect hidden content in raw data.

What is it built with?

PythonEtherscan API

How does it compare?

thewhiteh4t/goerli-image-huntalexrosbach/replibookarlandaren/proagents
Stars252525
LanguagePythonPythonPython
Last pushed2021-11-25——
MaintenanceDormant——
Setup difficultymoderateeasyeasy
Complexity2/52/51/5
Audienceresearcherops devopsvibe coder

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Requires manually editing the script to set start/end dates, and large date ranges can take a very long time to scan.

License is not stated in the available content.

Copy-paste prompts

Prompt 1
Help me set the start and end dates in goerli-image-hunt and run it to search a specific Goerli block range for hidden images.
Prompt 2
Explain how goerli-image-hunt uses Etherscan to find block numbers for a date range before scanning transaction data.
Prompt 3
Show me how the magic-bytes detection works in this script so I can adapt it to search for a different file type.
Prompt 4
Help me speed up or add better error handling to goerli-image-hunt for scanning a large block range.

Frequently asked questions

What is goerli-image-hunt?

Script that scans Goerli testnet Ethereum transactions for hidden images encoded as hexadecimal data and automatically extracts and saves them, built for a cybersecurity puzzle.

What language is goerli-image-hunt written in?

Mainly Python. The stack also includes Python, Etherscan API.

Is goerli-image-hunt actively maintained?

Dormant — no commits in 2+ years (last push 2021-11-25).

What license does goerli-image-hunt use?

License is not stated in the available content.

How hard is goerli-image-hunt to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is goerli-image-hunt for?

Mainly researcher.

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