Create virtualenv:
virtualenv --python=/usr/bin/python3.5 ~/.virtualenvs/core
Install requirements:
pip install -r requirements.txt
FLASK_APP=src/app.py flask run
[GET] /network_status[GET] /blockchain_status[GET] /wallet_address[GET] /nodes[POST] /node[GET] /token_validation_key[POST] /check_transaction_status[POST] /token