原标题：
5月31日凌晨，比特币在突破9000美元的阶段性高位后，又在15分钟后迅速回落，跌去逾700美元。
In the early hours of 31 May, after crossing the $9,000 stage, Bitcoin quickly fell back 15 minutes later, falling over $700.
根据全球币价网站CoinMarketCap数据，截至发稿，比特币价格报8328.48美元，24小时内最高价为9008.31美元，最低价8221.27美元。相比52周内最低价3191.30美元，比特币在1年内已涨价近2倍。
According to the global currency website CoinMarketCap, by the time of publication, Bitcoin had a price of $8328.48, with a maximum price of $908.31 in 24 hours and a minimum price of $8221.27. Compared to the lowest price of $3191.30 in 52 weeks, Bitcoin had nearly doubled in one year.
随着今年比特币行情的好转，矿工的挖矿热情也更加高涨，挖矿难度已恢复至2018年10月水平。根据比特币挖矿规则，比特币程序会结合每10分钟产生一个区块的出块速率和每产生2016个区块所花的时间是否为2周（10分钟x2016=两周）来自动调整挖矿难度，如果大于两周则难度值会调低，小于两周难度值会调高，最终保证大约10分钟产生一个新的区块。
As Bitcoin progresses this year, the mining enthusiasm of miners has increased, and the mining difficulties have returned to their October 2018 levels. According to the Bitcoin mining rules, the Bitcoin process combines the rate of output of a block every 10 minutes with whether the time taken to produce a block in 2016 is two weeks (10 minutes x 2016 = two weeks) to automatically adjust the mining difficulties. If the difficulty is greater than two weeks, the difficulty is higher than two weeks, and the difficulty is higher, eventually ensuring that a new block is created in about 10 minutes.
据BTC.com数据，目前全网算力为54.08EH/s，难度为7.46T，预测下次难度上调11.24%至8.30T，距离调整时间还剩13天19小时。而上一次比特币挖矿难度达到7.45T还是在2018年10月4日，当时的比特币价格在6600美元附近。比特币现已被挖取1773.26万枚，占总量2100万枚的84%，预计未来挖矿难度将进一步加大。
According to BTC.com, the full net capacity is currently 54.08EH/s, with a difficulty of 7.46 T, with a forecast of 11.24% to 8.30 T for the next challenge, with an adjustment time of 13 days and 19 hours. The last time Bitcoin was difficult to dig was 7.45 T, or 4 October 2018, when Bitcoin was close to $6,600. Bitcoin has now been excavated, representing 84% of a total of 21 million, and is expected to become more difficult in the future.
比特币价格7日走势。CoinMarketCap 图除比特币外，莱特币(LTC)在近一周的时间内也出现了近四成的惊人涨势。CoinMarketCap数据显示，莱特币7日内最低价为88.32美元，最高价在120.69美元，距离127.37美元的年内最高价格只有一步之遥，现报108.91美元，日跌5.85%。
CoinMarketCap shows an alarming increase of nearly 40% in the last week, except for Bitcoin. CoinMarketCap shows that Leitco has a lowest price of $88.32 in seven days, a maximum price of $120.69, and a maximum price of only one step in the year of $127.37, with $108.91 being reported, and a decline of 5.85% per day.
此外，EOS也在30天内接近完成市值翻倍，由4.64美元涨至8.44美元，现报7.42美元，受比特币急跌影响，EOS的日跌幅为7.49%。值得注意的是，EOS也是主流数字货币中年内涨幅最大的币种之一，52周内由最低价1.56美元到最高15.61美元，飙升逾10倍。
In addition, the market value of EOS was nearly doubled within 30 days, from $4.64 to $8.44, with $7.42 now reported, as a result of a sharp fall in bitcoins, with a 7.49 per cent daily decline in EOS. It is worth noting that EOS is also one of the currencies with the largest annual increase in mainstream digital currencies, from a minimum price of $1.56 to a maximum price of $15.61 over a period of 52 weeks, a sharp increase of more than 10 times.
5月30日，彭博社引述香港证监会法规执行部执行董事魏建新（Thomas Atkinson）在大会上发言的表示，香港证监会对首次代币发行（ICO）、交易和出售加密货币资产中存在的欺诈行为感担忧。
On 30 May, the Bloomberg Society cited Thomas Atkinson, Executive Director of the Enforcement of the Statutes of the Hong Kong CSRC, in his address to the General Assembly, as a source of concern for the Hong Kong CVM regarding fraud in the first issue of the token currency (ICO), the trading and sale of encrypted monetary assets.
魏建新指出，部分交易所和ICO代币的架构方式超出了证监会管控范围，正与合规及法律专家合作探讨如何监管加密货币实体。他认为现时加密货币仍然是“买家当心”（buyer beware）市场。香港证监会曾于2019年3月表示，证券型代币属于证券范畴，任何人在香港或向香港投资者推广或分销证券型代币，必须获发牌或注册，否则属于刑事罪行。
Wei Jianxin pointed out that some exchanges and ICO tokens are structured in a way that goes beyond the control of the SEC and is working with compliance and legal experts on how to regulate encrypted money entities. He believes that encrypt currency is still “ buyer beware & & rdquo; buyer beware) market. The CSRC stated in March 2019 that securities-type coins are in the securities category, and that anyone who promotes or distributes securities-type money in Hong Kong or to investors in Hong Kong must be issued or registered as a criminal offence.
对于比特币本轮突然上涨的原因，市场分析人士指出，突然上涨行情的动力尚不清楚，可能与中美主播的对垒和全球市场的避险情绪有关。万得数据显示，近一个交易日内，亚太股市普跌，日经225指数跌超1%，创2月以来新低。美国股指期货持续下挫，纳指期货一度跌超1%，道指期货、标普500指数期货均跌近0.9%。
With respect to the reasons for the sudden increase in the Bitcoin wheel, market analysts point out that the momentum for the sudden upturn is unclear and may be linked to the Chinese-American anchor's rivalries and global market risk avoidance. In a nutshell, the Asia-Pacific stock market fell by more than 1% in the recent trading days, reaching a low of more than 1% in February.
截至发稿，全球数字货币市场的总市值达到2631.42亿美元，其中比特币市值近1480亿美元，占比56.1%。过去24小时内，数字货币市场的总交易量为1041.7亿美元。
As of the date of issuance, the total market value of the global digital currency market amounted to $263.142 billion, of which the market value of Bitcoins was nearly $148.0 billion, or 56.1 per cent, and the total volume of transactions in the digital currency market was $104.17 billion over the past 24 hours.
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