$ flask run --port 5000
$ flask run --port 5001
Send GET requests to /mine endpoint to mine a block, POST to transaction/new to make a new transaction
Send POST requests to 127.0.0.1:5000/nodes/register with:
{
    "nodes": ["https://127.0.0.1:5001"]
}
To register new node
Resolve chains, GET request to nodes/resolve