"A forked version of Steem on another github account has added code to change the ownership keys for various Steemit Inc. accounts.



This was a change made on the steemdev github account, which is not the steemit account where all previous hard and soft forks have been done and approved by witnesses."(...)


https://busy.org/@krnel/steemit-inc-powerdown-due-to-fears-of-having-accounts-stake-stolen-in-future-hardfork