Group 1 - Canaan, a Singapore-based bitcoin mining rig producer, closed a $72 million direct offering with institutional investors, selling 63.66 million ADSs at a price of $1.131 per ADS [1] - The proceeds from the offering will be used to fund the acquisition and development of data center sites in North America, expand bitcoin mining machine production capacity, and support the deployment of digital mining sites and equipment sales [2] - The institutional offering follows a previous at-the-market offering of approximately 4.84 million ADSs at an average price of $1.61 per ADS, generating about $7.8 million in gross proceeds [2] Group 2 - Canaan secured a contract to deploy 4.5 megawatts of mining servers with a major Japanese utility company for real-time grid balancing and energy optimization [3] - The company's stock has decreased by 13% over the last five days [3]