  As a blockchain-based application, Non-Fungible Token (NFT) has received
worldwide attention over the past few years. Digital artwork is the main form
of NFT that can be stored on different blockchains. Although the NFT market is
rapidly developing, we observed potential ethical and racial fairness issues in
the design of NFT artworks due to a lack of ethical guidelines or censorship.
Therefore, we investigated CryptoPunks, the most famous collection in the NFT
market, to explore and visualize its potential ethical issues. We explored the
ethical issues from three aspects: design, trading transactions, and related
topics on Twitter. We scraped data from Twitter and Dune Analytics using python
libraries, Twitter crawler, and sentiment analysis tools. Our five
visualizations implied that 1.6 times more male punks were created in the
initial design process than the female ones. And the male ones have a higher
average selling price than females; lighter-skinned punks tend to sell for
higher prices. The results of our study and visualizations provide a
preliminary exploration of CryptoPunks and further inspire future
ethical-related investigation and research in the NFT domain.
