Cathedra Bitcoin and Sphere 3D have reached a full stock transaction merger agreement. The new company after the merger will retain the Sphere 3D name and operate data centers in multiple states, with plans to expand operational capabilities and develop AI and high-performance computing services.

Pudgy Penguins will conduct advertising campaigns at the Las Vegas Sphere during Christmas, expected to start from December 24th and last for several days, with an investment of approximately $500,000. The Sphere is known for its immersive display screens and previously hosted Bitcoin-themed events in July.

AI native tax engine startup Sphere has completed a $21 million Series A funding round, with a16z leading the investment. Sphere uses AI to automatically parse global tax laws, achieving tax compliance automation for global expansion of enterprises, and aims to help businesses achieve "global operations."