diff --git a/.env b/.env
index ee4d5da..cb29fab 100644
--- a/.env
+++ b/.env
@@ -18,3 +18,33 @@
 APP_ENV=dev
 APP_SECRET=EDIT_ME
 ###< symfony/framework-bundle ###
+
+APP_VERSION=1.0.0
+
+APP_NAME=KevaChat
+
+# Connect kevacoin
+
+APP_KEVACOIN_PROTOCOL=http
+APP_KEVACOIN_HOST=127.0.0.1
+APP_KEVACOIN_PORT=9992
+APP_KEVACOIN_USERNAME=EDIT_ME
+APP_KEVACOIN_PASSWORD=EDIT_ME
+
+# Default room namespace (must be owned to accept posts)
+APP_KEVACOIN_NAMESPACE=EDIT_ME
+
+# Address to receive kevacoin powers (make others able to fill node balance)
+APP_KEVACOIN_ADDRESS=EDIT_ME
+
+# Share with other some mining pool to get coins
+APP_KEVACOIN_POOL_URL=https://kevacoin.hashvault.pro
+
+# Allow remotes to create new rooms (namespaces)
+APP_ADD_ROOM_REMOTE_IP_REGEX=/.*/
+
+# Allow remotes to create new posts (submit key/values)
+APP_ADD_POST_REMOTE_IP_REGEX=/.*/
+
+# Time quota for remote publications by IP (seconds)
+APP_ADD_POST_REMOTE_IP_DELAY=60
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 431a0a4..3eb0681 100644
--- a/composer.json
+++ b/composer.json
@@ -13,6 +13,7 @@
         "symfony/flex": "^2",
         "symfony/framework-bundle": "7.0.*",
         "symfony/runtime": "7.0.*",
+        "symfony/twig-bundle": "7.0.*",
         "symfony/yaml": "7.0.*"
     },
     "config": {
diff --git a/config/bundles.php b/config/bundles.php
index 49d3fb6..bdd37ac 100644
--- a/config/bundles.php
+++ b/config/bundles.php
@@ -2,4 +2,5 @@
 
 return [
     Symfony\Bundle\FrameworkBundle\FrameworkBundle::class => ['all' => true],
+    Symfony\Bundle\TwigBundle\TwigBundle::class => ['all' => true],
 ];
diff --git a/config/packages/twig.yaml b/config/packages/twig.yaml
new file mode 100644
index 0000000..03338b4
--- /dev/null
+++ b/config/packages/twig.yaml
@@ -0,0 +1,10 @@
+twig:
+    default_path: '%kernel.project_dir%/templates'
+    globals:
+        app:
+            version: '%app.version%'
+            name: '%app.name%'
+
+when@test:
+    twig:
+        strict_variables: true
diff --git a/config/services.yaml b/config/services.yaml
index 2d6a76f..5484d03 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -4,6 +4,17 @@
 # Put parameters here that don't need to change on each machine where the app is deployed
 # https://symfony.com/doc/current/best_practices.html#use-parameters-for-application-configuration
 parameters:
+    app.version: '%env(APP_VERSION)%'
+    app.name: '%env(APP_NAME)%'
+
+    app.kevacoin.protocol: '%env(APP_KEVACOIN_PROTOCOL)%'
+    app.kevacoin.host: '%env(APP_KEVACOIN_HOST)%'
+    app.kevacoin.port: '%env(APP_KEVACOIN_PORT)%'
+    app.kevacoin.username: '%env(APP_KEVACOIN_USERNAME)%'
+    app.kevacoin.password: '%env(APP_KEVACOIN_PASSWORD)%'
+    app.kevacoin.namespace: '%env(APP_KEVACOIN_NAMESPACE)%'
+    app.kevacoin.address: '%env(APP_KEVACOIN_ADDRESS)%'
+    app.kevacoin.pool.url: '%env(APP_KEVACOIN_POOL_URL)%'
 
 services:
     # default configuration for services in *this* file
diff --git a/public/css/default.css b/public/css/default.css
new file mode 100644
index 0000000..0ebadc4
--- /dev/null
+++ b/public/css/default.css
@@ -0,0 +1,105 @@
+*
+{
+    /* apply defaults */
+    margin: 0;
+    padding: 0;
+
+    /* allow draw */
+    font-family: monospace;
+
+    /* adaptive */
+    color-scheme: light dark;
+
+    /* vars */
+    --container-max-width: 740px;
+}
+
+*::placeholder
+{
+    font-size: 12px;
+}
+
+a, a:active, a:visited
+{
+    text-decoration: none;
+}
+
+a:hover
+{
+    text-decoration: underline;
+}
+
+body
+{
+    font-size: 12px;
+    padding: 0 16px;
+}
+
+header
+{
+    max-width: var(--container-max-width);
+    margin: 16px auto;
+    display: block;
+}
+
+header > strong
+{
+    font-size: 14px;
+}
+
+header > div
+{
+    margin: 8px 0;
+}
+
+header > div > pre
+{
+    display: inline-block;
+}
+
+main
+{
+    max-width: var(--container-max-width);
+    margin: 16px auto;
+    display: block;
+}
+
+main > form > input[type="text"]
+{
+    box-sizing: border-box;
+    padding: 4px;
+    width: 100%;
+}
+
+footer
+{
+    display: block;
+    margin: 16px auto;
+    max-width: var(--container-max-width);
+}
+
+footer > form
+{
+    bottom: 16px;
+    display: block;
+    max-width: var(--container-max-width);
+    position: fixed;
+    width: 100%;
+}
+
+footer > form > textarea
+{
+    box-sizing: border-box;
+    display: block;
+    margin: 8px 0;
+    max-width: var(--container-max-width);
+    padding: 4px;
+    width: 100%;
+}
+
+footer > form > button
+{
+    cursor: pointer;
+    float: right;
+    padding: 2px 8px;
+}
\ No newline at end of file
diff --git a/src/Controller/ModuleController.php b/src/Controller/ModuleController.php
new file mode 100644
index 0000000..8882740
--- /dev/null
+++ b/src/Controller/ModuleController.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Request;
+
+class ModuleController extends AbstractController
+{
+    public function info(): Response
+    {
+        $client = new \Kevachat\Kevacoin\Client(
+            $this->getParameter('app.kevacoin.protocol'),
+            $this->getParameter('app.kevacoin.host'),
+            $this->getParameter('app.kevacoin.port'),
+            $this->getParameter('app.kevacoin.username'),
+            $this->getParameter('app.kevacoin.password')
+        );
+
+        return $this->render(
+            'default/module/info.html.twig',
+            [
+                'wallet' =>
+                [
+                    'balance' => (float) $client->getBalance(),
+                    'block'   => (int) $client->getBlockCount(),
+                    'address' => $this->getParameter('app.kevacoin.address')
+                ],
+                'pool' => [
+                    'url' => $this->getParameter('app.kevacoin.pool.url')
+                ]
+            ]
+        );
+    }
+
+    public function room(
+        Request $request
+    ): Response
+    {
+        $client = new \Kevachat\Kevacoin\Client(
+            $this->getParameter('app.kevacoin.protocol'),
+            $this->getParameter('app.kevacoin.host'),
+            $this->getParameter('app.kevacoin.port'),
+            $this->getParameter('app.kevacoin.username'),
+            $this->getParameter('app.kevacoin.password')
+        );
+
+        return $this->render(
+            'default/module/room.html.twig',
+            [
+                'room' => $request->get('room'),
+                'list' => (array) $client->kevaListNamespaces()
+            ]
+        );
+    }
+
+    public function post(
+        Request $request
+    ): Response
+    {
+        $client = new \Kevachat\Kevacoin\Client(
+            $this->getParameter('app.kevacoin.protocol'),
+            $this->getParameter('app.kevacoin.host'),
+            $this->getParameter('app.kevacoin.port'),
+            $this->getParameter('app.kevacoin.username'),
+            $this->getParameter('app.kevacoin.password')
+        );
+
+        // Get wallet namespaces (to enable post module there)
+        $namespaces = [];
+
+        foreach ((array) $client->kevaListNamespaces() as $key => $value)
+        {
+            $namespaces[] = $key;
+        }
+
+        return $this->render(
+            'default/module/post.html.twig',
+            [
+                'enabled'   => in_array($request->get('namespace'), $namespaces),
+                'namespace' => $request->get('namespace'),
+                'message'   => $request->get('message'),
+                'user'      => $request->get('user'),
+                'ip'        => $request->getClientIp()
+            ]
+        );
+    }
+}
\ No newline at end of file
diff --git a/src/Controller/RoomController.php b/src/Controller/RoomController.php
new file mode 100644
index 0000000..45d3127
--- /dev/null
+++ b/src/Controller/RoomController.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Request;
+
+class RoomController extends AbstractController
+{
+    #[Route(
+        '/',
+        name: 'room_index',
+        methods:
+        [
+            'GET'
+        ]
+    )]
+    public function index(): Response
+    {
+        return $this->redirectToRoute(
+            'room_namespace',
+            [
+                'namespace' => $this->getParameter('app.kevacoin.namespace')
+            ]
+        );
+    }
+
+    #[Route(
+        '/room/{namespace}',
+        name: 'room_namespace',
+        requirements:
+        [
+            'namespace' => '^[A-z0-9]{34}$',
+        ],
+        methods:
+        [
+            'GET'
+        ]
+    )]
+    public function room(
+        Request $request
+    ): Response
+    {
+        // Connect kevacoin
+        $client = new \Kevachat\Kevacoin\Client(
+            $this->getParameter('app.kevacoin.protocol'),
+            $this->getParameter('app.kevacoin.host'),
+            $this->getParameter('app.kevacoin.port'),
+            $this->getParameter('app.kevacoin.username'),
+            $this->getParameter('app.kevacoin.password')
+        );
+
+        // Get room messages
+        $messages = [];
+
+        foreach ((array) $client->kevaFilter($request->get('namespace')) as $message)
+        {
+            $messages[] = $message;
+        }
+
+        // Return result
+        return $this->render(
+            'default/room/index.html.twig',
+            [
+                'messages' => $messages,
+                'request'  => $request
+            ]
+        );
+    }
+
+    #[Route(
+        '/room/{namespace}/post',
+        name: 'room_post',
+        requirements:
+        [
+            'namespace' => '^[A-z0-9]{34}$',
+        ],
+        methods:
+        [
+            'POST'
+        ]
+    )]
+    public function post(
+        Request $request
+    ): Response
+    {
+        // Connect kevacoin
+        $client = new \Kevachat\Kevacoin\Client(
+            $this->getParameter('app.kevacoin.protocol'),
+            $this->getParameter('app.kevacoin.host'),
+            $this->getParameter('app.kevacoin.port'),
+            $this->getParameter('app.kevacoin.username'),
+            $this->getParameter('app.kevacoin.password')
+        );
+
+        // Check namespace exist for this wallet
+        $namespaces = [];
+
+        foreach ((array) $client->kevaListNamespaces() as $key => $value)
+        {
+            $namespaces[] = $key;
+        }
+
+        if (!in_array($request->get('namespace'), $namespaces))
+        {
+            exit('Namespace not related with this node!');
+        }
+
+        // @TODO
+
+        // Redirect back to the room
+        return $this->redirectToRoute(
+            'room_namespace',
+            [
+                'namespace' => $this->getParameter('app.kevacoin.namespace')
+            ]
+        );
+    }
+}
\ No newline at end of file
diff --git a/templates/default/layout.html.twig b/templates/default/layout.html.twig
new file mode 100644
index 0000000..7fc6ccf
--- /dev/null
+++ b/templates/default/layout.html.twig
@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="UTF-8">
+        <title>{% block head_title %}{{ 'KevaChat' | trans }}{% endblock %}</title>
+        <link rel="stylesheet" type="text/css" href="/css/default.css?{{ app.version }}"/>
+    </head>
+    <body>
+        <header>
+            <strong>
+                {{ app.name }}
+            </strong>
+            <sup>
+                <a href="https://github.com/kevachat/webapp" target="_blank" title="Source">{{ app.version }}</a>
+            </sup>
+            {% block header_module_info %}
+                {{
+                    render(
+                        controller(
+                            'App\\Controller\\ModuleController::info'
+                        )
+                    )
+                }}
+            {% endblock %}
+        </header>
+        <main>
+            {% block main_content %}{% endblock %}
+        </main>
+        <footer>
+            {% block footer_content %}{% endblock %}
+        </footer>
+    </body>
+</html>
\ No newline at end of file
diff --git a/templates/default/module/info.html.twig b/templates/default/module/info.html.twig
new file mode 100644
index 0000000..27faac4
--- /dev/null
+++ b/templates/default/module/info.html.twig
@@ -0,0 +1,14 @@
+<div>
+    {{ 'Block:' | trans }} {{ wallet.block }}
+    /
+    {{ 'Balance:' | trans }} {{ wallet.balance }}
+    {% if wallet.address %}
+        /
+        {% if pool.url %}
+            <a href="{{ pool.url }}" target="_blank">{{ 'Charge' | trans }}</a>:
+        {% else %}
+            {{ 'Charge:' | trans }}
+        {% endif %}
+        <pre>{{ wallet.address }}</pre>
+    {% endif %}
+</div>
\ No newline at end of file
diff --git a/templates/default/module/post.html.twig b/templates/default/module/post.html.twig
new file mode 100644
index 0000000..63fe791
--- /dev/null
+++ b/templates/default/module/post.html.twig
@@ -0,0 +1,22 @@
+{% if enabled %}
+    <form name="post" action="{{ path('room_post', { namespace : namespace }) }}" method="post">
+        <textarea name="message" placeholder="{{ 'enter your message...' | trans }}">{{ message }}</textarea>
+        {% if user == 'anonymous' or user != 'ip' %}
+            <input type="radio" name="user" value="anonymous" id="form-post-user-anonymous" checked="checked" />
+        {% else %}
+            <input type="radio" name="user" value="anonymous" id="form-post-user-anonymous" />
+        {% endif %}
+        <label for="form-post-user-anonymous">
+            {{ 'anonymous' | trans }}
+        </label>
+        {% if user == 'ip' %}
+            <input type="radio" name="user" value="ip" id="form-post-user-ip" checked="checked" />
+        {% else %}
+            <input type="radio" name="user" value="ip" id="form-post-user-ip" />
+        {% endif %}
+        <label for="form-post-user-ip">
+            @{{ ip }}
+        </label>
+        <button type="submit">{{ 'send' | trans }}</button>
+    </form>
+{% endif %}
\ No newline at end of file
diff --git a/templates/default/module/room.html.twig b/templates/default/module/room.html.twig
new file mode 100644
index 0000000..d0daa2e
--- /dev/null
+++ b/templates/default/module/room.html.twig
@@ -0,0 +1,3 @@
+<form name="room" action="{{ path('room_index') }}" method="get">
+    <input type="text" name="room" value="{{ room }}" placeholder="{{ 'join room by kevacoin namespace...' | trans }}" />
+</form>
\ No newline at end of file
diff --git a/templates/default/room/index.html.twig b/templates/default/room/index.html.twig
new file mode 100644
index 0000000..95ee2b7
--- /dev/null
+++ b/templates/default/room/index.html.twig
@@ -0,0 +1,25 @@
+{% extends 'default/layout.html.twig' %}
+{% block main_content %}
+    {{
+        render(
+            controller(
+                'App\\Controller\\ModuleController::room',
+                {
+                    request: request
+                }
+            )
+        )
+    }}
+{% endblock %}
+{% block footer_content %}
+    {{
+        render(
+            controller(
+                'App\\Controller\\ModuleController::post',
+                {
+                    request: request
+                }
+            )
+        )
+    }}
+{% endblock %}
\ No newline at end of file