How serious is the threat that quantum computing poses to blockchain technology, and what can be done about it?

The science of quantum physics is being used to build quantum computers–powerful machines that have the ability to solve incredibly complex mathematical equations much more quickly than even the most advanced computers available today.

As such, any data that’s encrypted using mathematical equations–including banking data, intelligence data protected by the government, and encrypted messages on cell phones–is vulnerable to being exposed by quantum computing. Most notably, in this case, encrypted cryptocurrency data–such as private wallet keys–are also vulnerable to quantum computing technology.
Is Bitcoin doomed?

In my opinion I don't want to compare between the coming halving and the previous ones since Bitcoin back then was a tiny asset and crypto industry as a whole was unknown for community. The next halving will be coinciding to the popularity Bitcoin and crypto has gained so far plus the huge crypto infrastructures and mainstream media that will set fire to the engine of price to skyrocket next year.

Yes of course leaving such a huge amount of Bitcoin on the net is totally insane. I hope he and any other whale investors pay attention, because scammers will come back again when bullmarket start to find new victims

 

A Crypto investor Michael Terpin lost roughly 1,5oo bitcoins on January 7, 2018, after falling victim to a SIM swap attack, The Wall Street Journal reported.
The bitcoin stake was worth $24 million that day, roughly three weeks after the asset hit its record high price.
The incredibly precise hack involves thieves taking control of a phone number and using it to access email accounts, bank reserves, and even crypto wallets.
Visit the Business Insider homepage for more stories.
One crypto investor lost bitcoin worth as much as $24 million after falling victim to a new kind of hack known as SIM swapping, The Wall Street Journal reported.
Michael Terpin was hit by the attack on January 7, 2018, days after bitcoin reached its record high price. Thieves stole roughly 1,500 bitcoins by taking control of his phone number and using Google's "Forgot password?" feature to gain access to his email. With possession of the two personal accounts, the thieves hacked Terpin's crypto wallet, stole the digital assets and quickly sold them, according to WSJ.
Bitcoin traded between $16,969 and $15,790 per coin on January 7, 2018. The digital coin now trades at roughly $8,700.

Source:
Wall Street journal

In the year 2130 all of the Bitcoins will have been mined and the only reward at this point is transaction fees,if most people are using Bitcoin just as a store of wealth, then there are very few transactions, which means there is very little reward for mining and so a lot of computers would pull out of the Bitcoin network. Would this be a problem? If large Bitcoin transactions occured sparingly in 2130 and beyond, would the Bitcoin concept still work?

your approach is highly important about Bitcoin adopting POS for more scaling but the issue here is how to convince what you have described Bitcoin fanatics or maximalists to change their mind and become more flexible towards the development of bitcoin.

I appreciate your opinion, but I think Bitcoin has to wait until we see the outcome of Ethereum 2.0 when it becomes POS in the next few months.

the cryptocurrency is not only extremely expensive in terms of its mining costs, but also inefficient in its long-run design. However, the efficiency of the Bitcoin system can be significantly improved by optimizing the rate of coin creation and minimizing transaction fees. Another potential improvement is to eliminate inefficient mining activities by changing the consensus protocol altogether. So there is the possibility of replacing PoW by a proof-of-stake (PoS) protocol which can strictly dominate
PoW and even support immediate and final settlement. There are many fundamental issues of a PoS protocol still need to be sorted out and remains much to be learned about the economic potential and the efficient, economic design of blockchain technology.

Edward Snowden the former CIA agent twitted recently the famous Asuka picture which is highly used in some crypto community spaces to shill Bitcoin. I think these intelligent agencies have something to do with Bitcoin creation.

Thank you I appreciate your efforts to explain the cycles Bitcoin went through the whole decade.

Ok this is my chart. I counted since btc was 1$ then 5 waves ended with their ABC correction and consolidation mid 2016

https://i.ibb.co/FmZ9rw6/Screenshot-20191109-094930.png

Hi, I'm a big fan of Elliott waves and I just wonder if the last crash from 19800$ to 3180$ was wave 2 ABC correction of wave one that started in 23 May 2016 and peaked in 2017 December. Now according to my theory the wave 3 has already started in 17 December 2018 and will peak at around 300k mid 2021. I hope Elliott waves experts here have a look at my opinion.

As you can see, the famous Asuka has missed $16k per 1 Bitcoin in Octber 2019 but it can happen soon , maybe this end of year. However, I just want to point out that her $8750k may not be a typo instead of $ 87500 k because I believe that Bitcoin still has one more impulsive wave which can reach $56k according to asuka next July 2020, then the ABC correction of the whole 5 waves that lasted 11 years sending Bitcoin below $10k or more less. Any thoughts??

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An interesting step towards finding solutions for Sweden housing
Since people there have experienced a huge spike in the number of immigrants who affected the housing system. For this reason immigrants, along with others who cannot afford to buy condominiums, are struggling to find affordable accommodation.

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Icos , or startups are obviously not dead but in coma waiting the next phase of bullrun to kick in later this year or next year. Of course there will be good coins and bad ones, the veteran crypto investors are aware of the fraudulent activity in the space and are able to avoid scam icos but unfortunately the majority of the newbies investors who are new in crypto will certainly suffer and may lose some money in suspicious projects or may invest in good coins but will not cash out at the peak of the market due to greed.