It has probably not escaped anyone interested in Steem mining that the miner witness queue has been completely dominated by one user recently.
A lot of people speculated that it was due to GPU mining but it was later revealed that it was possible to game the queue using some clever hacks. Since only 1 of 21 blocks are produced by miner witnesses the blockchain can't be compromised using this exploit but it does make it almost impossible for other miners to submit a POW.
It didn't take long for the core devs to respond with a hard fork which should fix the issue: https://github.com/steemit/steem/issues/256
Happy mining!
Good that this will be fixed quickly, it was really discouraging sight for anyone that considered mining Steem. Any idea when hardfork 13 will be implemented?
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The witnesses need to update before it takes effect. I'm not exactly sure of the procedure to be honest but maybe someone else can fill me in?
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We are waiting for a solution as soon as possible
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