Tether-Linked Buyers Close $200 Million Peak Mining Deal as Rumble Pursues $767 Million Northern Data Takeover
December 20, 2025 — Newly surfaced U.S. regulatory filings are putting sharper names and structures behind a $200 million divestment at the center of Tether’s expanding push from crypto into AI infrastructure. Peak Mining—the bitcoin-mining business that German AI and data center operator Northern Data agreed to sell—has been acquired by three entities listed in filings as Highland Group Mining Inc., Appalachian Energy LLC, and 2750418 Alberta ULC, just as Tether-backed video platform Rumble presses ahead with an all-stock plan to acquire Northern Data. SEC+1