Bitcoin 30dhg

1.

Only those whose electricity charges are controlled within 0.3 yuan can mine. At present, the daily income of a bitcoin S9 is about 55 yuan (calculated at 7000 yuan), so 30 is 30 × 55 = about 1650 yuan (210000 yuan)

bitcoin is a kind of universal encrypted electronic currency in the world, and it is completely autonomous by users. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system

the concept of bitcoin was first proposed by Nakamoto in 2009. Unlike most currencies, bitcoin does not rely on specific currency institutions to issue. It is generated by a large number of calculations based on specific algorithms. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design to ensure the security of all aspects of money circulation. The monetary system used to have no more than 10.5 million in four years, after which the total number will be permanently limited to 21 million

bitcoin can be cashed and converted into the currency of most countries. Users can use bitcoin to buy some virtual goods, and they can also use bitcoin to buy real-life goods. On December 11, 2017, bitcoin futures began trading on the Chicago Board of Options Exchange (CBOE). On January 24, 2018, the Bank of Indonesia announced the ban on bitcoin payment

2. Ma means the average, Ma5 is the average of 5 days, or the weighted average price of all transactions within 5 days, ma10 is the average of 10 days

3. Since the outbreak of bitcoin, it has fallen. Many miners quit. They are cheaters. Don't believe it

4. Without this digital currency, it should belong to MLM currency

5. Hello, the blanking size of the cylinder of pressure vessel, taking the circular cylinder as an example, can be expanded according to the middle diameter, that is, the inner diameter of the cylinder plus the wall thickness of the cylinder, and then the cutting or machining allowance is the blanking size
for example, for a cylinder section with 1m inner diameter, 500mm long and 16mm thick, after blanking, it is necessary to leave 20mm allowance in the length direction, then the blanking calculation size is: Expanded (1000 + 16) * 3.14 = 3190
final blanking size: 3190 * 520

6. Me too. There's money in it

7. 30 a electronic gold

8. Yes, but it will take time. At present, in the cyclical bear market, the bull is short and the bear is long. After the bear market, when the bull market comes, the price of bitcoin will reach a new high
I hope I can help you!