Wechat scan QR code < / P > < p > to share with friends and circle of friends_ blank" href=" https://news.163.com/news/search?keyword=%E7%89%B9%E6%96%AF%E6%8B%89 "> Tesla < / a > CEO Elon · < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E9%A9%AC%E6%96%AF%E5%85%8B "> Elon Musk tweeted that the company had" suspended accepting bitcoin to buy its vehicles "because of concerns about" the rapid increase in fossil fuel use in bitcoin mining ". After the news, bitcoin prices fell about 5% < p > < b > (update: [bitcoin lost $46000 / piece] according to the Financial Association on May 13, bitcoin's 24-hour decline expanded to 16%, losing $46000 / piece. Ethereum fell by more than 13%, reborn by more than 17% and doggy by more than 27%.) "Tesla has suspended the use of bitcoin to buy vehicles," Musk wrote. We are concerned about the rapid increase in fossil fuels used for bitcoin mining and trading, especially the use of coal, which has the most serious greenhouse gas emissions of all fuels. Cryptocurrency is a good idea on many levels, and we believe it has a bright future, but not at the expense of the environment. Tesla will not sell any bitcoin, and we intend to trade it after mining moves to sustainable energy. At the same time, we are also looking at other cryptocurrencies that consume less than 1% of bitcoin's energy. " In a February filing with the securities and Exchange Commission, Tesla revealed that it has purchased $1.5 billion worth of bitcoin and may invest more in bitcoin or other cryptocurrencies in the future. The company also said at the time that it would begin to accept bitcoin as a way to pay for its products < p > in recent months, Tesla's support for cryptocurrencies has driven the prices of cryptocurrencies, including bitcoin and dogcoin, soaring. Mainstream investors novel coronavirus pneumonia, including Tesla, Square, Metromilar and Nexon, saw the digital currency as a potential inflation hedge, while central banks printed banknotes to ease the economy that was plagued by the new crown pneumonia epidemic. p> < p > US investment bank < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E9%AB%98%E7%9B%9B "> big Wall Street banks such as Goldman Sachs and Morgan Stanley are also looking to provide bitcoin exposure to wealthy customers. But some investors, such as sun Zhengyi, founder of Softbank group, still don't believe in the encryption boom. "What is the real value of bitcoin? What is its real value? Or whether it is in a bubble," he said at a recent earnings conference. To be honest, I don't know the answer. " < p > although Tesla said on Wednesday that it would not accept bitcoin to pay for cars, musk made it clear that Tesla plans to continue to hold, rather than sell, existing bitcoin and will study other cryptocurrencies that require less energy for mining and trading < p > in the first quarter of 2021, Tesla bought $1.5 billion worth of "digital assets" and then sold $272 million. The profits from bitcoin sales had a "positive impact" of $101 million on the company's profits < p > musk has always been a high-profile supporter of bitcoin and dogcoin. In the past year, he has been promoting them to millions of followers on twitter. Last weekend, when he hosted "live on Saturday night" for the first time, musk mentioned dog money many times（ According to the news on May 10, SpaceX CEO Elon Musk confirmed on Sunday local time that the US space exploration technology company will accept dogcoin payment, And launch the first lunar mission paid for by this cryptocurrency in the first quarter of 2022 < p > geometric Energy said on Sunday that the cost of its lunar satellite launch mission would be paid through dogcoin, and SpaceX's public relations team confirmed the news in an email. However, the specific value of the mission has not been disclosed The mission is called doge-1, and SpaceX will use its Falcon 9 rocket to launch a 40 kg microsatellite as its payload. Geometric Energy said its payload "will gain lunar space intelligence through sensors and cameras integrated with communication and computing systems." "The doge-1 will demonstrate the use of cryptocurrency beyond Earth orbit and lay the foundation for interstellar commerce," Tom ochinero, vice president of commercial sales at SpaceX, said in a statement. We are very happy to launch the doge-1 to the moon! " In fact, musk has announced the company's plan before. "SpaceX will send the real dog coin to the moon," he tweeted on April Fool's day If the plan succeeds, it will be the first cryptocurrency to be sent into space < p > recently, the price and trading volume of dog coin have been rising all the time, and musk is the highest proponent of this cryptocurrency. "The deal reinforces dogcoin's position as an accounting unit for the lunar business in space," geometric Energy said. Dog money is mature enough to fund a commercial mission to the moon and will be used for all lunar operations between the two companies. " < p > before confirming the doge-1 mission, musk made his debut as the host of live on Saturday night. Although he mentioned the cryptocurrency on the show, the price of dogcoin plummeted during his appearance, falling below $0.50 < p > this statement was also released on the day SpaceX set a new reusable record for the Falcon 9 rocket. After putting the 27th batch of satellite chains into orbit, the company successfully recovered the rocket booster of Falcon 9 for the 10th time. Musk had previously described this milestone as the key to the company's progress in reusing rockets