Crawl a transaction subgraph

The KuCoin incident

The Kucoin exchange was attacked by hackers in September 2020, and there was a large number of stolen funds that have not been tracked until now.

In this section, we will demonstrate how to crawl a transaction subgraph of KuCoin hacker on Ethereum and trace the illegal fund of the hacker!

Start a crawl task

Run on this command for tracing the subgraph of the source node as follow:

scrapy crawl txs.eth.ttr -a source=0xeb31973e0febf3e3d7058234a5ebbae1ab4b8c23

You can find the transactions on ./data/0xeb3...c23.csv on finished.

Visualization for results

Try to import the transactions and the importance of the addresses in the subgraph ./data/importance/0xeb3...c23.csv to Gephi.

The hacker is related to Tornado Cash, a mixing server, it shows that the hacker took part in money laundering!