Implement simple p2p client

[prawn-cake]

A client which could just send and respond ping-pong messages. It will serve as a skeleton of a distributed ledger

Helpful links

• http://asyncio.readthedocs.io/en/latest/tcp_echo.html
• echo server / client

Notes

• peers discovery requires central registry for the first call to get the list of some peers, after that they can use gossip protocol to discover others.

[prawn-cake]

Keywords to search:

• "overlay network"
• "small world"
• "Bootstrapping node"