18 US states file lawsuit against SEC and Gary Gensler  

The IRS issued new regulations requiring DeFi platforms to report crypto transactions. In response, the Blockchain Association filed a lawsuit against the IRS, arguing that the rules are unconstitutional.

The civil case between the US financial regulator and Gemini Trust Company was initially scheduled to go to trial before Donald Trump’s inauguration.

Dec. 30 marked the end of the implementation phase of the Markets in Crypto-Assets framework, as authorities can enforce rules on certain crypto service providers operating in the EU.