This week regulators were busy defining where crypto trading can happen, which intermediaries can provide access, how assets get cleared, and when offshore platforms fall outside the permitted perimeter.

Brokers and exchanges are getting clearer routes into supervised crypto markets, while activity outside licensed channels is getting harder to sustain.

BitMEX Exits as US Perpetual Routes Expand

BitMEX will close on 23 September after what the exchange described as a strategic review, ending an 11-year history for one of the platforms that helped popularise crypto perpetuals.

The company did not link the decision to recent US regulatory developments. Those developments nevertheless mean US brokers and exchanges now have regulated ways to…