Listen connections on `1900` port and save messages to given `namespace` in [Kevacoin](https://github.com/kevacoin-project) blockchain.
To read messages, use KevaChat [webapp](https://github.com/kevachat/webapp), [geminiapp](https://github.com/kevachat/geminiapp) or [any](https://github.com/kvazar-network/awesome-kevacoin#explorers) KevaCoin Explorer