What is blockchain POA

1. 2016 is also the first year of the development of blockchain, and various VCs have invested billions of dollars into the start-up companies and projects of blockchain. Foreign IBM, Deloitte and Deutsche Bank have released their own blockchain designs. NASDAQ is already using blockchain technology. Securities, voting, data storage, logistics and other instries have appeared related applications
domestic first-line financial and Internet companies such as Wanxiang finance, LETV finance and Ping'an finance also joined the technological feast. Eurocrowdfunding and other micro enterprises are in the forefront of using blockchain technology.

2. Probability problem, but I suggest you don't pay first, see clearly. In addition, more observation of that friend's life and your relationship, true or false in such a little information is impossible to judge

3. They are both encrypted virtual digital currencies. The difference is that bitcoin was born early, has a large audience, and is highly accepted (Dell and Microsoft both accept bitcoin payment). Bitcoin is the representative and originator of cryptocurrency, and has a high market value. Bitcoin is also a small-scale social experience. Ethereum is the second generation of digital currency, and IOT is the follow-up currency, It is also developed based on the smart contract of Ethereum. Last time I saw their founder Zhang Feng's roadshow, it was good

4.

bus line: No.31 interval → Metro Line 1, the whole journey is about 16.5km

1. Walk about 10m from the first hospital of Zhejiang Medical University to the first hospital of Zhejiang Medical University Station

< P > 2. Take No.31 interval, pass 2 stops, and reach Shengli theater station (or take No.31 working day)

3. Walk about 180m to longxiangqiao station

4. Take Metro Line 1, pass 11 stops, Arrive at the passenger transport center station (or take Metro Line 1)

5. Walk about 260 meters to Hangzhou bus passenger transport center station