yum install gcc openssl-devel bzip2-devel
cd /usr/src
wget https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz
tar xzf Python-3.6.4.tgz
cd Python-3.6.4
./configure --enable-optimizations
make altinstall
pip3.6 install pipenv
pipenv --python=python3.6
pipenv install requests
pipenv install flask
mkdir blockchain
cd blockchain/
touch blockchain.py
chmod +x blockchain.py
Open two terminal, run below commands seperaterly
pipenv run python blockchain.py -p 5001
pipenv run python blockchain.py -p 5002