"The Repayment program will start on Friday, February 2, 2018, and will initially reimburse 10% of the old balance amount to all users that were impacted by the security breach.
We are committed to periodically repay the remaining amount to all users in the coming months."
It's always best to include the source link:
https://www.nicehash.com/news/nicehash-will-fully-reimburse-its-users