This week, the Bitcoin price leapt as much as 60% from its lows on Sunday as the dark cloud of the Bitcoin "civil war" finally began to dissipate.
The price of Bitcoin rose as high as $2,948.51 on the CoinDesk Bitcoin Price Index Thursday after sinking as low as $1,836.92 on Sunday.
The primary force behind this rally was a clear sign of resolution to the two-year fight about how best to scale the Bitcoin network. Anxiety that the impasse would force Bitcoin to "fork" into two competing versions was what dragged the Bitcoin price down last week.
But that suddenly changed this week...
Why the Bitcoin Price Shot Up 60% This Week
The unexpectedly rapid adoption of a proposed solution known as SegWit2x is why the price of Bitcoin reversed so dramatically.
Signs that SegWit2x was gaining consensus on the network caused the Bitcoin price to spike almost 26% in 14 hours on Thursday.
The software was designed so that a network support level of 80% for SegWit2x over the course of a 336-block segment on the Bitcoin blockchain would "lock in" the SegWit part of this solution.
"SegWit" is short for "segregated witness," an option that squeezes more transactions into each one-megabyte Bitcoin block. This solution would increase the network's capacity to process Bitcoin transactions by 60% to 100%.
Right now, each block is close to full, threatening Bitcoin's ability to grow and fulfill its potential.
As the Bitcoin community watched, SegWit2x approached the 80% threshold about halfway through the latest 336-block segment. The issue was in doubt until several major Bitcoin miners switched over to the SegWit2x camp. It ended up with 93.8% support.
Bitcoin fans on Reddit celebrated with posts declaring "To the moon!" - a phrase long used by Bitcoiners to express optimism about the potential for the price of Bitcoin to soar.
Still, the reason why the Bitcoin price hasn't gone even higher is that this latest development doesn't end the process. At least 50% of the Bitcoin miners need to continue signaling support for the SegWit code over the next 336-block segment (about two-and-a-half days).
It's very unlikely that many miners will back off now. So in about two weeks (the time for the miners to chew through the next 2016 blocks), the "SegWit" code will activate.
That will alleviate the transaction congestion and reverse rising transaction fees. And it avoids - for now - a hard fork that would split the community.
But there's a "phase two" to the SegWit2x proposal. In three months, the miners have another decision to make - one that could send the Bitcoin price skyrocketing...
Why Bitcoin Isn't Out of the Woods Yet
The "2x" part of SegWit2x has to do with increasing the block size from one megabyte to two megabytes. Combined with the SegWit technology, this change will increase the capacity of each Bitcoin block by 120% to 200%.
Pairing the two ideas into a single SegWit2x proposal was a compromise intended to end the Bitcoin civil war. More than 50 Bitcoin miners, startups, and developers signed on to this agreement in May.
But the apparent success of the first phase does not guarantee the success of the second.
After 12,960 more blocks (likely to be early November), the miners will conduct a second "vote" on whether to approve the increase to two-megabyte blocks.
Opinion in the Bitcoin community is divided over whether the miners will remain true to the agreement they signed in May.
I believe the miners will approve the two-megabyte blocks. They don't have much incentive not to. And they've already agreed to it in principle.
While the extra room in each block will cause the fees the miners collect to drop, over time the rising number of transactions will make up for it. Keeping the one-megabyte size limit is short-sighted and ultimately self-destructive, as it would cripple Bitcoin's ability to grow.
Approval of the 2x part of SegWit2x would be a huge milestone for Bitcoin. It would definitively end the Bitcoin civil war and the uncertainty surrounding it.
And it will have a dramatic impact on the price of Bitcoin...
How SegWit2x Part II Will Get the Bitcoin Price to $5,000
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The end of the scaling argument will push the Bitcoin price up at least 50% and possibly more. By the end of the year, this event will unleash the forces that will drive Bitcoin to the $5,000 range.
The biggest drawback is that the switch to two-megabyte blocks will require a hard fork. That's not necessarily bad in this case, as it's expected most of the Bitcoin community will be on board with it.
If a minority stick with the older version, we could end up with two versions of Bitcoin. But the minority version will need a new name (like BitcoinOne), and likely will suffer from a lack of miners.
But for the bulk of the Bitcoin community, a hard fork will be a small price to pay for the benefits they'll get.
That's because the successful adoption of SegWit2x will do more than solve the scaling problem and ease the pressure on fees. SegWit2x will prepare Bitcoin for the next stage of its evolution.
Other improvements to the code include a fix that will improve security for hardware wallets, make smart contracts on the blockchain less complicated, and make future improvements like the Lightning Network easier to implement.
The Lightning Network is a technology that, by piggybacking on Bitcoin's blockchain, enables a wide variety of features and benefits, such as much faster transaction confirmations, machine-to-machine payments, and micropayments for content.
The Lightning technology also creates a future avenue for scaling the Bitcoin network far more efficiently than the technologies in SegWit2x.
These kinds of features will feed future Bitcoin adoption and, over the next decade, propel the price to $10,000, $50,000, or even $100,000.
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About the Author
David Zeiler, Associate Editor for Money Morning at Money Map Press, has been a journalist for more than 35 years, including 18 spent at The Baltimore Sun. He has worked as a writer, editor, and page designer at different times in his career. He's interviewed a number of well-known personalities - ranging from punk rock icon Joey Ramone to Apple Inc. co-founder Steve Wozniak.
Over the course of his journalistic career, Dave has covered many diverse subjects. Since arriving at Money Morning in 2011, he has focused primarily on technology. He's an expert on both Apple and cryptocurrencies. He started writing about Apple for The Sun in the mid-1990s, and had an Apple blog on The Sun's web site from 2007-2009. Dave's been writing about Bitcoin since 2011 - long before most people had even heard of it. He even mined it for a short time.
Dave has a BA in English and Mass Communications from Loyola University Maryland.