The shares of the blockchain mining company climbed 5.2% to $12.24 during after-hours trading on Thursday, following regular session gains of 17.72% . The data center operator announced two significant transactions totaling over $3.8 billion in potential value. Cipher announced plans for an $800 million private offering of 0.00% convertible senior notes due 2031. The initial buyers of these notes have the option to purchase an additional $120 million worth within 13 days, potentially bringing the total raised amount to $920 million.