Bitcoin Miner Cipher Mining Technologies to Go Public Via Good Works SPAC March 5, 2021 @ 3:14 pm By JD Alois Cipher Mining Technologies, a U.S.-based Bitcoin mining firm, will become a publicly-traded company via a special acquisition company (SPAC). Good Works (Nasdaq:GWAC) has agreed to a merger and following the combination the new entity will be called Cipher Mining trading under the symbol CIFR. Cipher Mining is a newly formed subsidiary of Bitfury Top HoldCo B.V. Good Works currently holds a market valuation of around $242 million. Shares have traded higher today as the market inched higher to close the week.