The deadline to file a complaint against Mt Gox is December 15th.

According to media reports, Huobi World announced the "Polka Eco Support" system for December 4th. Huobi Global and referrals can be developed in Huobi Global's Polkadot Eco-region upon approval. The sponsor is a bridge between the Huobi and Polkadot communities and an important partner in community engagement. While benefiting from a variety of policies, the sponsor is also responsible for discovering and selecting best practices. The number of sponsors is 10, and the staff is updated every 3 months. For more information, please see the notice on the official Huobi website.