The intention to modify the recently approved law is contradictory since cryptocurrency mining is sustained precisely by the incentives that miners receive as a return on their investment. If the direct payment of incentives is prohibited, an uncertainty is created since it is unknown what would be the mechanism to compensate for the work carried out to maintain the network.
It is amazing the contortions that authoritarian governments will go to in order to ban certain activities without actually banning them. Just so that they can preach in the news "we are open to supporting cryptocurrencies and their development". What they are effectively doing is nationalizing all bitcoin mining operations by preventing miners from earning any profit - which will force them to either abandon the activity (to be replaced by "friends" who get to use the cheap energy) or pay any profits from mining directly to government controlled wallets. As always, it is a rather sly and indirect way of stealing the hard work that enterprising business people in Russia have built up over time in order to help plug the massive holes in GDP. Just because they've seen a massive amount of easy money up for grabs from these in-country cryptocurrency operations.