wallets/exchanges are actually supporting. The block chain serves to confirm transactions to the rest of the network as having taken place. BTG will have a variable difficulty that will change per block. See Proof of work for more information. They believe this because of, aSIC miners which provide a very strong entry barrier for an average user or miner like you and. The fee is an incentive for the miner to include the transaction in their block. And BTG will be following the suit of the original BTC core developers for the future betterment of their coin because they believe thats the secure way. Last but not least, dont fall prey to fake websites/wallets demanding your private keys to let you access your BTG.
Bitcoin Gold - GPU, bitcoin Mining (Official Website)
We are going to upgrade to Equihash with a the parameter set, with some customization. On the other hand, their development and way forward look depressing. But if the fork happens, BTG will likely have some market value and will definitely steal away some hash power from GPU miners. On the other hand, we really need exchanges and wallets to support this Bitcoin Gold fork; otherwise, it will have a hard time finding any value. If you hold your keys in a paper wallet or software wallet, wait for instructions on how to access your BTG coins. This will make asic miners irrelevant for mining Bitcoin Gold because, with the implementation of Equihash, Bitcoin Gold will be mineable simply by using cheap GPUs. But blockchain technology enables many things like a fridge that can pay for and restock itself or self-driving taxis.