Bitcoin in computer
blockchain technology is not only the basic technology of bitcoin, but also the core and infrastructure of bitcoin. Bitcoin has never had any centralized organization, operation and management. Later, bitcoin technology was abstracted, called blockchain technology, or distributed ledger technology
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the disadvantages of blockchain technology applied to digital currency:
first, there is no circulation management organization for "decentralization". In essence, blockchain technology is a distributed database system, its logical structure is one-way linked list, and its design mode is based on P2P network, which determines that there is no unified virtual currency central control system based on blockchain technology
Second, it is difficult to effectively control the quantity supply. Based on blockchain technology, the virtual currency circulation is fixed. According to Fisher Equation, under a certain price level, there is a certain proportion between the total amount of transactions and the amount of nominal money needed in a certain period of time, and the fixed amount of money obviously can not meet the requirements of the growing total price of social goods Third, it is difficult for "mining mechanism" to create recognized value. Bitcoin itself has no value and no national credit support. Some people think that "by continuously consuming computing power and energy, the value is injected into the virtual currency", but in order to find the hash value that meets the requirements, it is obviously not the most effective choice to spend millions of calculations Fourthly, procers and early holders are easy to get high seigniorage. Any virtual currency based on blockchain technology is held by a few people in the early stage of development. Take bitcoin, for example. At first, bitcoin was just a proct of a few people's games. In May 2010, the first purchase of bitcoin was $25 pizza purchased by 10000 bitcoin, and the first transaction completed in July of the same year was $0.04/bitcoinbitcoin is stored in a program or client and controlled by private key
2. Bitcoin GB or MB or KB
after the complete bitcoin client is synchronized, it has a volume of 23g at present. Because of its large size, there are currently online wallets or lightweight clients to choose from
3. Whether the size of each bitcoin is the same
Yes
you can check bitcoin's Chinese wiki