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Coinbase clears up misconceptions about ASICs, ASIC-resistance and how Proof of work works in new blogpost There has been a lot of discussion both in r/btc and the greater cryptocurrency community alike about the importance of POW and how it relates to the economic incentives that undergrid the day-to-day operation of cryptocurrency networks. I believe because so many people do not truly understand the innovation of POW that they become easily confused and fall for scams like POS and ASIC-resistance. Luckily, Coinbase has explained some of their rationale behind their decisions to accept certain coins after a certain number of blockchain confirmations. >Different cryptocurrencies add to their blockchains in different ways. In cryptocurrencies that utilize proof of work, the blockchain is extended by a process known as mining. Miners bundle newly announced transactions together into data structures called blocks, which are added to the blockchain. >A miner attempts to add a block by solving a proof of work puzzle unique to the proposed block. If the miner can find a solution to the puzzle, the miner will announce the block and its solution to the rest of the network. The rest of the network will recognize the valid proof of work solution and consider the proposed block as the most recent addition to the blockchain. Notice that there is no permission required for a miner to produce a block, a fact that allows miners to enter and leave the network at will. Seems pretty standard, right? >Claim one: **It is a security feature for a particular coin’s mining operations to be the dominant application of the hardware used to mine that coin.** This is important as we have seen for smaller coins with larger coins with the same mining hardware. As we've seen with BCH, its possible for larger coins to 'attack' coins with less hashpower, which is why the fliippening is so important for us as a community. As soon as the market prices in the fact that BCH has a superior user experience to BTC, then t...
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