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+---
+slug: 22
+title: 22/TOY-CHAT
+name: Waku v2 Toy Chat
+status: draft
+tags: waku-application
+editor: Franck Royer <franck@status.im>
+contributors:
+   - Hanno Cornelius <hanno@status.im>
+---
+
+**Content Topic**: `/toy-chat/2/huilong/proto`.
+
+This specification explains a toy chat example using Waku v2.
+This protocol is mainly used to:
+
+1. Dogfood Waku v2,
+2. Show an example of how to use Waku v2.
+
+Currently, all main Waku v2 implementations support the toy chat protocol:
+[nim-waku](https://github.com/status-im/nim-waku/blob/master/examples/v2/chat2.nim),
+js-waku ([NodeJS](https://github.com/status-im/js-waku/tree/main/examples/cli-chat) and [web](https://github.com/status-im/js-waku/tree/main/examples/web-chat))
+and [go-waku](https://github.com/status-im/go-waku/tree/master/examples/chat2).
+
+Note that this is completely separate from the protocol the Status app is using for its chat functionality.
+
+# Design
+
+The chat protocol enables sending and receiving messages in a chat room.
+There is currently only one chat room, which is tied to the content topic.
+The messages SHOULD NOT be encrypted.
+
+The `contentTopic` MUST be set to `/toy-chat/2/huilong/proto`.
+
+# Payloads
+
+```protobuf
+syntax = "proto3";
+
+message Chat2Message {
+   uint64 timestamp = 1;
+   string nick = 2;
+   bytes payload = 3;
+}
+```
+
+- `timestamp`: The time at which the message was sent, in Unix Epoch seconds,
+- `nick`: The nickname of the user sending the message,
+- `payload`: The text of the messages, UTF-8 encoded.
+
+# Copyright
+
+Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).