The bitcoin block mining reward will go from 25 to 12.5 bitcoins and this change adds a level of uncertainty to the market. (itbit.com)
However, with mining rewards from bitcoin generation decreasing, we will probably see the need for an increase in associated transaction fees. (thenextweb.com)
A growing number of ethereum miners have devoted computational power toward the classic blockchain, seemingly, because they see a value in securing its transactions and winning the associated mining rewards. (coindesk.com)