  Blockchain gaming is an emerging entertainment paradigm. However, blockchain
games are still suffering from security issues, due to the immature blockchain
technologies and its unsophisticated developers. In this work, we analyzed the
blockchain game architecture and reveal the possible penetration methods of
cracking. We scanned more than 600 commercial blockchain games to summarize a
security overview from the perspective of the web server and smart contract,
respectively. We also conducted three case studies for blockchain games to show
detailed vulnerability detection.
