diff --git a/.env b/.env_sample
similarity index 60%
rename from .env
rename to .env_sample
index 882d6fb..50650f9 100644
--- a/.env
+++ b/.env_sample
@@ -7,4 +7,8 @@ CONTRACTS_LIMIT=2
 SIGNATURES_LIMIT=5
 REDIS_URL=redis://redis:6379
 ENV_MACHINE=docker
+GOOGLE_ANALYTICS_ID=UA-XXXXXXXX-X
+FIRESTORE_PROJECT_ID=YOUR_FIRESTORE_PROJECT_ID
+FIRESTORE_KEY_FILE=YOUR_FIRESTORE_KEY_FILE
+FIRESTORE_KEY_FILE_PATH=YOUR_FIRESTORE_KEY_FILE_PATH
 
diff --git a/.gitignore b/.gitignore
index 84cf350..ff004ea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,3 +39,6 @@
 /coverage
 /coverage/*
 osbc-*.gem
+.env
+/.env
+/.env.*
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index e5fef90..3f361c5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -66,6 +66,9 @@ gem "rails-controller-testing", "~> 1.0"
 # Active Record Import
 gem "activerecord-import"
 
+# Google Firestore
+gem "google-cloud-firestore", "~> 2.6"
+
 
 # Use Sass to process CSS
 # gem "sassc-rails"
diff --git a/Gemfile.lock b/Gemfile.lock
index aaceb84..8629a90 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,8 +110,57 @@ GEM
       railties (>= 5.0.0)
     faker (2.23.0)
       i18n (>= 1.8.11, < 2)
+    faraday (2.7.4)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
+    faraday-retry (2.0.0)
+      faraday (~> 2.0)
+    gapic-common (0.16.0)
+      faraday (>= 1.9, < 3.a)
+      faraday-retry (>= 1.0, < 3.a)
+      google-protobuf (~> 3.14)
+      googleapis-common-protos (>= 1.3.12, < 2.a)
+      googleapis-common-protos-types (>= 1.3.1, < 2.a)
+      googleauth (~> 1.0)
+      grpc (~> 1.36)
     globalid (1.0.1)
       activesupport (>= 5.0)
+    google-cloud-core (1.6.0)
+      google-cloud-env (~> 1.0)
+      google-cloud-errors (~> 1.0)
+    google-cloud-env (1.6.0)
+      faraday (>= 0.17.3, < 3.0)
+    google-cloud-errors (1.3.0)
+    google-cloud-firestore (2.8.0)
+      concurrent-ruby (~> 1.0)
+      google-cloud-core (~> 1.5)
+      google-cloud-firestore-v1 (~> 0.0)
+      rbtree (~> 0.4.2)
+    google-cloud-firestore-v1 (0.8.0)
+      gapic-common (>= 0.10, < 2.a)
+      google-cloud-errors (~> 1.0)
+      google-cloud-location (>= 0.0, < 2.a)
+    google-cloud-location (0.3.0)
+      gapic-common (>= 0.16.0, < 2.a)
+      google-cloud-errors (~> 1.0)
+    google-protobuf (3.21.12)
+    googleapis-common-protos (1.4.0)
+      google-protobuf (~> 3.14)
+      googleapis-common-protos-types (~> 1.2)
+      grpc (~> 1.27)
+    googleapis-common-protos-types (1.5.0)
+      google-protobuf (~> 3.14)
+    googleauth (1.3.0)
+      faraday (>= 0.17.3, < 3.a)
+      jwt (>= 1.4, < 3.0)
+      memoist (~> 0.16)
+      multi_json (~> 1.11)
+      os (>= 0.9, < 2.0)
+      signet (>= 0.16, < 2.a)
+    grpc (1.50.0)
+      google-protobuf (~> 3.21)
+      googleapis-common-protos-types (~> 1.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     importmap-rails (1.1.5)
@@ -121,6 +170,7 @@ GEM
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
     json (2.6.3)
+    jwt (2.6.0)
     loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -131,10 +181,12 @@ GEM
       net-smtp
     marcel (1.0.2)
     matrix (0.4.2)
+    memoist (0.16.2)
     method_source (1.0.0)
     mini_mime (1.1.2)
     minitest (5.17.0)
     msgpack (1.6.0)
+    multi_json (1.15.0)
     net-imap (0.3.4)
       date
       net-protocol
@@ -148,6 +200,7 @@ GEM
     nokogiri (1.14.0-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
+    os (1.1.4)
     parallel (1.22.1)
     parser (3.2.0.0)
       ast (~> 2.4.1)
@@ -191,6 +244,7 @@ GEM
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
+    rbtree (0.4.6)
     redis (4.8.0)
     regexp_parser (2.6.2)
     responders (3.0.1)
@@ -236,6 +290,7 @@ GEM
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
     ruby-progressbar (1.11.0)
+    ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     selenium-webdriver (4.7.1)
       rexml (~> 3.2, >= 3.2.5)
@@ -247,6 +302,11 @@ GEM
       connection_pool (>= 2.2.5, < 3)
       rack (~> 2.0)
       redis (>= 4.5.0, < 5)
+    signet (0.17.0)
+      addressable (~> 2.8)
+      faraday (>= 0.17.5, < 3.a)
+      jwt (>= 1.5, < 3.0)
+      multi_json (~> 1.10)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
@@ -313,6 +373,7 @@ DEPENDENCIES
   devise (~> 4.8)
   factory_bot_rails (~> 6.2)
   faker (~> 2.23)
+  google-cloud-firestore (~> 2.6)
   importmap-rails (~> 1.1)
   jbuilder (~> 2.11)
   pg (~> 1.4)
diff --git a/README.md b/README.md
index 59e295e..eeaa69d 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,13 @@
 # <img src="https://osbc-blockchain.herokuapp.com/assets/logo-70825bc795d25668cf4f11b06b990ed0d1c2cae887acce0625e5059226a7946a.png" width="25" height="25"> Outerspace Blockchain
 <!-- Outerspace Logo -->
+
+### This application is instable and under development.
+### Please, use it with caution and at your own risk.
 ### A Ruby implementation of web blockchain framework.
 #### Developed using TDD (Test Driven Development).
 #### Github Actions CI/CD pipeline.
-#### Chrome Selenium tests are used to test the blockchain in a browser and its interaction with the blockchain.
-#### Chrome Selenium are included in the docker compose without any additional setup.
+#### Firestore is used to store the blockchain.
+
 #### Simplecov is used to test code coverage.
 
 #### Rails Engine is used to create the blockchain.
@@ -12,20 +15,29 @@
 
 #### Rspec is used to test the blockchain.
 
-## Build Version: 0.1.9
-### Last Update:
-#### Edited Gemspec
-#### Edited Readme
-##### TODO
-###### Add more tests
-###### Add more features
-###### Include pagination
-###### Create Queries Folder
-###### Test in kubernetes
-###### Add more documentation
-###### Add NFT Generator
-###### Increase the environment variables for autoconfig
-###### Add features to autogeneration of blockchain for better configuration
+## Build Version: 0.2.0
+
+## Todo
+* [ ] Firebase integration (this will be use instead of Redis management)
+* [ ] Add and correct tests
+* [ ] Add and correct documentation
+* [ ] Add user verification methods
+* [ ] Better mobile layout
+* [ ] Create the price visualization and the price history api
+* [ ] Add more blockchain features
+* [ ] Add more blockchain tests
+* [ ] Add more blockchain documentation
+* [ ] Add nft's classification class
+* [ ] Add nft's modularization class
+* [ ] Add nft's generator class
+* [ ] Benchmark blockchain and mining
+* [ ] Create a blockchain explorer
+* [ ] Create a default blockchain wallet android app generator with flutter
+* [ ] Create generators that will work with rails and flutter at the same time
+* [ ] Create the user marketplace
+* [ ] Integrate Blockchain Api in other projects
+
+Kubernets integration will be worked on in the future.
 
 ## System dependencies
     1. Docker
@@ -52,7 +64,6 @@ gem install osbc
 ```bash
 osbc PATH
 ```
-
 ### Compile OSBC from source
 ========================
 <!-- Compile OSBC from source -->
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index fb98e90..fd52a4f 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -1,6 +1,15 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id=<%= ENV['GOOGLE_ANALYTICS_ID'] %>"></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag(){dataLayer.push(arguments);}
+      gtag('js', new Date());
+
+      gtag('config', '<%= ENV['GOOGLE_ANALYTICS_ID'] %>');
+    </script>
     <title>OuterspaceBlockchain</title>
     <meta name="viewport" content="width=device-width,initial-scale=1">
     <%= csrf_meta_tags %>
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 28b212b..f0484bd 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -4,6 +4,8 @@
 
 Rails.application.configure do
   config.hosts << "lvh.me"
+  config.hosts << "outerspacecoding.com"
+  config.hosts << "osbc.outerspacecoding.com"
   # Settings specified here will take precedence over those in config/application.rb.
 
   # In the development environment your application's code is reloaded any time
diff --git a/mining_concept.ipynb b/mining_concept.ipynb
index 3924276..2fe80a2 100644
--- a/mining_concept.ipynb
+++ b/mining_concept.ipynb
@@ -89,8 +89,8 @@
     }
    ],
    "source": [
-    "key = '9e8b3f4bf92577861e06e3bc84a809794dd6a7ab9da1070a78eb763b3399595a'\n",
-    "secret = 'a239c12ecc42911ecbc3b23a9539976caaa60f7d40028dea17cb67cc538c21bd'\n",
+    "key = \n",
+    "secret = \n",
     "\n",
     "headers = {\n",
     "    'X-API-KEY': key,\n",
@@ -245,7 +245,7 @@
     }
    ],
    "source": [
-    "hash_to_send = '99893b819abfa80498f244fddd080f570cecdc994199d5c6a8148141401cdff1'\n",
+    "hash_to_send = \n",
     "\n",
     "params = { 'user_confirmation_hash' : hash_to_send }\n",
     "confirm_request = re.post('http://localhost/api/v1/confirm_block', headers=headers, params=params)\n",
@@ -270,7 +270,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.2"
+   "version": "3.9.2 (default, Feb 28 2021, 17:03:44) \n[GCC 10.2.1 20210110]"
   },
   "orig_nbformat": 4,
   "vscode": {