Huobi and Binance said they would disable transactions in China by end of year.

Are finding ways of circumventing restrictions that have effectively outlawed their preferred assets even after Binance and Huobi, two major crypto trading platforms, have vowed to purge mainland users.

The platforms’ announcements come at the end of a rough year for Chinese crypto traders, who have seen online communities shut down, pricing websites go dark, and major exchanges severing services.