Selfish mining is an idea that was elaborated on in detail by Cornell scientists in a 2013 paper named Majority is not Enough: Bitcoin Mining is Vulnerable. The creators recommend that the mining motivators, intended to keep Bitcoin miners legit, can be gamed and are subsequently broken.
By selfish mining, a miner (or gathering of miners) expands their income by decisively keeping and delivering blocks to the organization. Commonly, we anticipate that a miner should report a block when they track down it Assuming that the block is affirmed, they will get the block reward.
By not communicating their block immediately, however, these miners successfully make their own private part of the blockchain. The rest of the organization keeps on expanding on the past block, while the selfish miner expands on top of this new chain. Starting there, the two chains will look totally changed.
The achievement of selfish mining is reliant to some degree on karma, however fundamentally on hashing power accessible to the miner (otherwise called hash rate). The creators of the paper note that, as miners on the public chain would rather not squander assets, they will join selfish miners on the elective chain. Over the long haul, selfish mining could undermine the decentralization of Bitcoin, as it packs hashing power into more smaller pools.
By all accounts, selfish mining appears to be worthwhile. Be that as it may, many are doubtful of its capacity to seriously affect Bitcoin. By unifying the organization as such, members would be generally eliminating the offer of the cryptocurrency. For them to be beneficial, it is to the greatest advantage of miners to act genuinely. All things considered, their benefit is named totally in Bitcoin.