Old hard disk 7500 bitcoin
1、 Open pit mining: in general, diamond mines are mined around kimberlite pipes. The middle of the pipes is the place where high-quality diamonds are most concentrated, which is usually characterized by huge holes. When the Kimberley rock pipeline was found, miners g out vertically from the ground surface
Second, underground mining: this mining method is safer and more efficient, especially with the deepening of the mining process, it is difficult to judge whether to continue mining to expand the mine. Underground mining only needs to open a tunnel to extract diamonds under the surface, which is more reasonable and less dangerous. Sometimes a combination of underground and open-pit mining is used to make a tunnel from the pit into the surrounding rock Extraction of kimberlite from the mine: kimberlite can be released from the earth's crust by artificial explosion, and a large number of rocks can be destroyed by explosion, but it can not be detected on site. It is wrapped with diamonds and must be transferred to another place for processing and diamond extraction by large trucks and steam shovels, Generally speaking, there are 0.5 carats of diamonds in one ton of mud (4) percussive Mining: rivers and streams will bring kimberlite to the river bed, shore, or even coastal zone to form percussive sand deposits. Percussive mining is also known as artificial mining, because the miner has to go to the percussive sand deposit to search for diamonds artificially. The farther away from the kimberlite pipeline, the lower the output of diamonds and the more sparse the distribution density of diamonds. Therefore, percussive mining is not suitable for instrial diamond mining
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1. The Kimberley diamond deposit was discovered by the Burnett brothers in 1870. It is this discovery that makes people know which kind of rock may contain diamond. It's a volcanic rock formed after the magma of ancient times cooled. In places where garnet and olivine are proced, the possibility of finding diamond is relatively high. Therefore, garnet and olivine become the "indicator minerals" for diamond
From 1866 to 1914, 50000 miners used shovels and other tools to excavate, and a total of 2722 kg of diamonds were excavated. The South African government is trying to apply for the Kimberley pit as a world heritage site Third, open-pit mining is a process of removing the covering from the ore body to obtain the required minerals and extracting useful minerals from the open surface stope. Open pit mining operation mainly includes perforation, blasting, mining and loading, transportation and mping. Compared with underground mining, open pit mining has the advantages of full utilization of resources, low dilution rate, suitable for large-scale mechanical construction, fast mine construction, large output, high labor proctivity, low cost, good working conditions and safe proctionWith more and more cases of bitcoin becoming rich, many people realize that the appreciation space behind bitcoin is very huge. Many people are annoyed that they didn't catch the train of becoming rich. Compared with the common legal currency in life, bitcoin is a virtual digital currency. Since its birth in January 2019, the price of bitcoin has increased from US $0.0025 to US $0.0025, After ten years of development, it has successfully broken through to US $31000, and the soaring momentum has not stopped{ RRRRR}
most of them come from bitcoin mined in the early stage of technology. Many people think that these bitcoins are worthless, and they are unwilling to spend time to save them, so they are graally forgotten by themselves, and even many people have long forgotten that they own bitcoin. It must be that those who lost them because they had no hope for bitcoin should regret it now, I can only comfort myself that I have no predestined relationship with sudden wealth
James middot, British it engineer; Howells recently discovered that he had thrown away the hard disk containing 7500 bitcoin private keys as garbage. James has been mining 7500 bitcoins on personal computers since 2009. Without the private key, although my own bitcoin has not disappeared, I can't trade with bitcoin. According to the current price of 32000 US dollars, it is equivalent to a loss of more than 260 million US dollars, nearly 1.7 billion yuan. He expressed regret
What's the loss of 800 million if you lose a hard disk? Why can a hard disk lose 800 million
< br > at the beginning of this year, the value of a bitcoin is only about $1000, which is very high compared with its historical price. Few people predicted that in mid December this year, bitcoin was once close to the $20000 mark. Bitcoin closed at $16763.5 as of December 21, according to an authoritative website coindesk
Bitcoin, which was only worth 6 cents in 2011, is now approaching us $20000. In six years, the value of bitcoin has soared by two or three hundred thousand timesaccording to CNN's analysis of research data from the Federal Reserve, Yale School of management and other institutions, bitcoin has surpassed the "tulip fever" in the Netherlands in the 15th century and has become the fastest value-added investment project in human history
The red line represents the current appreciation speed of bitcoin, and the green line represents the unprecedented growth speed of bitcoin in tulip boom period, which also brings many strange social phenomenafor example, in recent months, a new word "non coiner" has been added to the spoken English to describe some unfortunate people who missed the chance of making a fortune because they didn't get on the bus in time
recently, a surprising local news reported by Welsh online has made the British and European and American media begin to pay attention to the sad fate of those who are frustrated in this wave of currency
According to Welsh online, a 32-year-old man named James Howell in Newport submitted an application to the local municipal government in December this year, hoping to be allowed to dig a local landfill by himself, He said that as long as the municipal government nodded and agreed to open the landfill, he would immediately give the 7.4 million pounds as a gift of thanks to the municipal government. However, the municipal health workers turned down his request several timesWhy do people want to spend 65 million to dig a mp
it turns out that in the summer of 2013, Howell carelessly threw away an old hard disk when he was cleaning at home, in which 7500 bitcoin wallet passwords were stored. Howell now says he's convinced his old hard drive is buried in a local landfill and hopes to have a chance to retrieve the bitcoin he mined
note that according to the latest price of $16763.5, the value of bitcoin discarded by Howell four years ago is as high as $126 million, equivalent to RMB 830 million
The story of this unfortunate man can be told eight years ago Howell is a local IT Engineer in Newport. He has been a computer geek since childhood and is very interested in new technologysince February 2009, Howell began to use his Dell computer to participate in the "mining" of bitcoin. Specifically, he used the computer's computing power to solve mathematical problems, so as to obtain bitcoin. In terms of time, Howell is one of the earliest bitcoin miners in the world
in the past few years, Howell saved 7500 bitcoins, but the value of bitcoin didn't increase much, which made him frustrated and finally decided to stop his "mining" career
in 2013, he took apart his old computer and sold parts on the eBay platform, but he left the hard disk because he "still didn't give up the hope of bitcoin appreciation in his heart."
According to Howell himself to the independent, when he was cleaning up in the summer of 2013, he conveniently put the hard disk into the unclassified stbin at his homesadly, just at the time when Howell abandoned this hard disk, the value of bitcoin began to take off for the first time. When the Guardian reported this in November 2013, Howell lost 7500 bitcoins worth more than 4 million pounds
In November 2013, the guardian of the UK reported that in December 2017, the speed of bitcoin appreciation dazzled the whole world and almost set a new record every few days. At this time, Howell could not sit still any more. He even found several "shareholders" to raise funds and apply to the city governmentaccording to Newsweek, a spokesman for Newport municipal government who is responsible for the sanitation of the mp said that the municipal authorities have repeatedly explicitly rejected Howell's request
the spokesman said, "it may cost millions of pounds to reopen the landfill, and there is a serious risk of environmental pollution. This kind of work will never get our permission. At present, there are 350000 tons of garbage in this mp, and 50000 tons of garbage will be added every year. That hard disk may have been crushed long ago, and even if it is found, it will not help. It's not only unrealistic to dig up a mp, but it's also possible to detonate dangerous gases. "
address: No.300 middle Jiangdong Road, Jianye District, Nanjing City
Tel: (025) 86753315
bus line: No.16 → Metro Line 2, the whole journey is about 14.6 km
1. Take No.16 from Sanpailou, pass 7 stops, and reach Xinjiekou South Station
2. Walk about 20 meters to Xinjiekou station
3. Take Metro Line 2, pass 8 stops, Reach Yuantong station (or take subway line 1)
4. Walk about 410 meters to reach the network map of Nanjing International Expo Center
< p class = "f-aid" style = "margin: Auto;" > This data comes from the network map, and the final result is subject to the latest data of the network map