Galaxy purchased ethereum:0x56072c95faa701256059aa122697b133aded9279, but the specific amount and form haven't been disclosed. That said, Galaxy is already a deep participant in the Sky ecosystem. Back in July, it announced the establishment of a loan facility of up to $500 million with Sky subDAO Grove, where Galaxy initiates and manages the loans, and Grove provides the funds. As of September, $300 million has already been allocated, and Galaxy also holds $100 million in sUSDS.