Bitcoin gold is similar to bitcoin itself airboat decentralized cryptocurrencies the first which is Bitcoin gold is an hard fork of a popular and first successful blockchain cryptocurrency Bitcoin. Bitcoin gold was created in 2017 to sort out some of the issues and challenges most bitcoin holders and miner's especially face with Bitcoin group works on what we called a POW system otherwise known as proof of work system to improve the mining experience of miners with bitcoin gold is has been called more easier for miner's complex task and earn Bitcoin gold as a compensation for your their effort in generating the new block.
The present market value of the token is quite very low compared to that of Bitcoin and its volatility is not as high as that of Bitcoin so to some extent the coin hasn't really surpassing Bitcoin in terms of market dominance and relevance.