Lesson 10: Blockchain

Lab A: Blockchain

In this lab I will be creating a tiny block chain using Python as well as other exercises

$ cd ~/iot/lesson10

$ python3 hash_value.py

$ python3 snakecoin.py

$ python3

>>> import hashlib

>>> m=hashlib.sha256(b"hello, world")

>>> m.hexdigest()

>>> m.digest_size

>>> m.block_size

>>> exit()

$ cd

Terminal 1: Run node_server.py

$ git clone https://github.com/satwikkansal/python_blockchain_app.git

$ export FLASK_APP=node_server.py

$ cd ~/python_blockchain_app

$ flask run --port 8000

Terminal 2: Run run_app.py

$ vncserver

$ cd ~/python_blockchain_app

$ python3 run_app.py