How about Hubei Yuanda blockchain company

1. You can understand blockchain as technology. Cryptocurrency is based on blockchain technology. The technology itself is reliable and can also be applied in other instries. But after the fire of cryptocurrency, a lot of people came in. If you want to invest in it, you have to recognize which projects are real and which are fraulent. Novices suggest to know more about the blockchain instry. Besides, there are risks in investment. Whether you lose money depends on you. Cryptography focuses on blockchain information

2. Not so good. Under the banner of blockchain, there is no blockchain technology. It only sells mining machines, and the price is thousands of yuan higher than the official website of mining machines. Customers also have to pay the electricity fee, which is about 30 cents per hour. The profit of a 14T ant miner is 14 yuan a day. If the electricity fee is dected, the profit will be about 4 yuan. If you buy a miner at 6000 yuan and make a profit of 4 yuan a day, how long can you get back the cost. The company basically depends on deception. It's related to the company. It's all owned by relatives and friends. Don't be too hot headed if you think about it yourself