Blockchain invitation picture

1. Basically, the principle is the same. Take baopin.com as an example, baopin.com's video blockchain authentication is actually DAPP. First, it takes a screenshot of the video's key frames per minute, then transcodes it into a string of unique numbers, and then uploads and records it into the Ethereum blockchain.

2. 4ne9dy has 10 more

3. What's the blockchain? Which blockchain is reliable these days? Everything is given to you from the front, and you can't even get it back from the back. People can't find it and play with it.

4. PQ7GYX.

6. I still have 7 places q6me93, the main question is adopted!

7. Wvnz4lg speed

8. W29ld72 has ten more