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italicaims were an organic part of Nov-Dec 2017 Bitcoin hype. It is not possible in next years because there are some problems specific to Bitcoin, what were considered by its competitors. It is caused by the limitations of the decade-old design and its mining process that consumes huge computational pow>quoteer and energy.bold Another Bitcoin problem is its blockchain slow performance.
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So, it is possible that Bitcoin decreased transaction fees will not be sufficient to keep the network going. There are many theories in terms what might happen when mining stops, but the likely scenario could be that Bitcoin will not have the computing power needed to assure transactions, grinding the network to a halt: The Problems With Bitcoin And The Future Of Blockchain
italic
There are also other fundamental structural problems with Bitcoin that stop its wider adoption. Lightning Network is a great idea and we should look into why it is not being used more. But at the heart of the bitcoin problem is a lack of consensus for resolving these issues:

Bitcoin will not have the computing power needed to assure transactions, grinding the network to a halt: The Problems With Bitcoin And The Future Of Blockchain

There are also other fundamental structural problems with Bitcoin that stop its wider adoption. Lightning Network is a great idea and we should look into why it is not being used more. But at the heart of the bitcoin problem is a lack of consensus for resolving these issues: Why Bitcoin isn't the future...

And, of course, the recent huge price crash in Bitcoin is nothing new. It is happening on a regular basis. But Bitcoin was the original crypto solution, it has the longest blockchain, largest developer and mining pool, and the most powerful network effect, but now its competitors like Ethereum have much more advanced technology and greater market share as compared to previous years.
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Bitcoin experienced an extreme spike in value that year and the correction keep the value of the coin so high above its long-term average makes it look like Bitcoin>quote has recognized value, but not as high as the speculators in late 2017 (listed in the question) had hoped