The US Justice Department, alongside business groups and decentralized finance (DeFi) firms, has filed a legal challenge against Illinois’ cryptocurrency tax regulations. The dispute centers on Illinois’ policy to tax crypto transactions even when they do not generate any profit.

According to CoinTelegraph, industry representatives argue that this tax approach could increase compliance costs for crypto businesses and potentially conflict with federal law. The challenge highlights growing tensions between state-level tax policies and the rapidly evolving crypto sector.

For Japanese investors and traders, this case underscores the importance of monitoring regulatory developments in major markets like the US, as such rulings may influence global crypto taxation practices and compliance standards.