A comparative study of digital trade currency
as for the crash, that's not what you need to think about now
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bitcoin (BTC)
issue date: 2009
market value: US $163 billion
advantage: as the first cryptocurrency issued, bitcoin is the world's largest and most popular blockchain network and the most experienced cryptocurrency that can resist hacker attacks
disadvantage: the increasing demand brings great pressure to bitcoin network, which makes the transaction cost high. The system can only process about seven transactions per second, but its power consumption is amazing. This is mainly e to its workload proof mechanism and consensus principle, which makes mining become a labor-intensive activity
eth
release date: 2015
market value: US $70 billion
advantage: its built-in programming language allows developers to write their own smart contract computer programs running on the blockchain. So far, most of the first token sales are based on Ethereum's smart contracts
Disadvantages: Ethereum also uses the consistency protocol of workload proof, so it is relatively slow and consumes a lot of power. Many early smart contracts are vulnerable to hacker attacks, and the development of smart contract security is still immatureXRP
issue time: 2012
market value: US $32 billion
advantage: XRP claims that its XRP cryptocurrency can become the "bridge currency" of major financial institutions, and can settle cross-border payments more quickly and at lower cost. Ruibo uses a new consistency protocol, which can achieve faster transactions, faster than t-coin and Ethereum
disadvantages: as a private company, Ruibo has important control over the system, some people think that XRP is not decentralized enough, which is in contrast to bitcoin, which anyone can mine
bitcoin cash (BCH)
issue time: 2017
market value: US $19 billion
advantage: this kind of currency is a "hard fork" of bitcoin, and its founder has adjusted compared with bitcoin, so that it can handle a larger transaction volume
disadvantage: critics say bitcoin cash is too centralized - a few miners create most of the money
lightcoin (LTC)
time of issue: 2011
market value: US $10 billion
advantage: lightcoin is a kind of "alternative currency" - almost a clone of bitcoin, but there are still several differences. Lightcoin processes transactions four times faster than bitcoin, and the mining process remains open to amateurs - very different from bitcoin, because bitcoin's professional miners use expensive hardware
disadvantages: although it is faster than bitcoin, lightcoin is still too slow and consumes a lot of power. These factors make it unable to become an ideal payment method, and there is another disadvantage: it is not very famous
recommend an article: brief introction of the top 100 currencies in the market value ranking of digital currency. This article summarizes the brief introction of the top 100 currencies in the market value ranking (according to the market value ranking of coinmarket cap on July 30, 2018), hoping to be helpful to friends who have just entered the currency circle
the natural nature of bitcoin is decentralized, but the Central Bank of digital currency must abide by the centralized management model. Compared with bitcoin, the central bank's digital currency has a higher "currency" value, and the price of bitcoin fluctuates greatly. the central bank's digital currency ensures the payment function in daily life, and has remained relatively stable since 2014. Since the beginning of the year, the central bank has been actively engaged in the research and development of digital currency, including the active application of relevant patents
starting from the issue of digital currency, the central bank uses a two-level operating system, which first converts digital currency into banks or other operating institutions, and then to the public. Mu Changchun said the al transmission system is suitable for China's national conditions. We can not only use the existing resources to mobilize the enthusiasm of commercial banks, but also improve the acceptance of digital currency without any problem
Ruian took the bus to Wenzhou passenger transport center, told the driver to get off at Wenzhou University (a place called gooseneck head), there are many buses to Medical University, B104, 103, 53, 54 can take bus line: B104, the whole journey is about 3.7km, Get to the medical school station (or take bus 53)