The front and back of the ID card hold the real name of the bloc

1. The difference between DAG blockchain and traditional blockchain is that the latter requires miners to complete proof of work (POW) to execute each transaction, and DAG blockchain can get rid of the restriction of blockchain to complete such operation. On the contrary, in the DAG blockchain, one transaction is followed by another, which means that one transaction can provide proof for the next transaction, thus ranking all the time. The connection between these transactions is DAG, just like blocks provide their names to the whole blockchain through hash value

in the traditional blockchain, each transaction takes a lot of time, while for DAG blockchain, the transaction time will become negligible

2. The trapped person is 220 meters below the third fastest rock on the left of doctor. Specific method: after landing, dig a vertical hole under the store until 220 meters deep. The missing person lies on the rock. If he touches someone, he will be saved successfully. He will give you 100000 yuan to go back to the ground, save and exit. Repeat the above steps to get a lot of money.

3. The loading capacity of a tractor is determined by its carrying capacity. The tonnage varies. Generally, it can float up to 20%. General agricultural tractors 2-5 tons, mine tractors larger, see what you use, you can consult the dealer for reference.

4. I've already found the Marketing Toolbox of Yang Dong. Search it by yourself!

5. The first level: the minerals in the first layer are g up, the second layer only digs silver, gold and crystal, the third layer only digs gold and crystal
the second level: save people 10 times and save 100000 once. The trapped person is 220 meters below the third fastest rock on the left of doctor. Specific method: after landing, dig a vertical hole under the store until 220 meters deep. The missing person lies on the rock. If he touches someone, he will be saved successfully. He will give you 100000 yuan to go back to the ground, save and exit. Repeat the above steps to get a lot of money
the third level: as you earn enough money in the second level, you can go down (dig straight) to the third bottom level and start digging treasure), and then you will meet the boss about 500 meters

6. BTC is distributed according to your okb position. The more points you hold, the more points you get. You can buy 100.

7. I don't know. I haven't adopted an OK pig yet. I'll try it now.