What is the proof-of-work system? Bitech Support Team January 12, 2019 16:39 Follow Proof of work is a protocol with the main objective of deterring cyber-attacks. In order for a miner to have a block accepted by the network, it must complete a proof-of-work. Related articles What type of mining equipment can you operate ? Sesterce's official note on the anti-marketing attack we are undergoing. Comments 0 comments Please sign in to leave a comment.