Poolin, Once One of Bitcoin's Biggest Mining Pools, Files for Bankruptcy
In briefPoolin Technology filed for Chapter 11 bankruptcy on July 22.The largest single debt, $163.7 million, is owed to about 11,700 users.Thor CALAP LLC has placed a $52 million stalking-horse bid for Poolins two West Texas mining sites, setting the floor for a court-supervised auction. Poolin Technology Pte. Ltd., the Singapore-based company that once ran one of Bitcoins largest mining pools, filed for Chapter 11 bankruptcy on July 22—the U.S. legal process that lets a company operate under court supervision while it reorganizes or, in this case, sells off its remaining assets and shuts down. The filing, in the U.S. Bankruptcy Court for the District of New Jersey, covers Poolin alongside two U.S. affiliates, Lonestar Dream Inc. and Lonestar Taproot LLC. Court documents list roughly prepetition obligations of more than $100 million against less than $10 million in assets. A mining pool lets individual Bitcoin miners combine their hashrate—the raw computing power machines burn through to solve the cryptographic puzzles that add new blocks to the blockchain—so the group wins rewards more often than any single miner could alone. Poolin was founded in Beijing in 2017 by Zhibiao “Kevin” Pan, along with Fa Zhu and Tianzhao Li, all veterans of mining-hardware maker Bitmain, and









