diff --git a/web/e.cash/data/faqs.js b/web/e.cash/data/faqs.js
--- a/web/e.cash/data/faqs.js
+++ b/web/e.cash/data/faqs.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import CustomLink from '/components/custom-link';
 
 export const faqs = [
diff --git a/web/e.cash/data/navitems.js b/web/e.cash/data/navitems.js
--- a/web/e.cash/data/navitems.js
+++ b/web/e.cash/data/navitems.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 export const navitems = [
     {
         nav_item: 'About',
diff --git a/web/e.cash/data/roadmap.js b/web/e.cash/data/roadmap.js
--- a/web/e.cash/data/roadmap.js
+++ b/web/e.cash/data/roadmap.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import rocket from '/public/images/rocket.svg';
 import award from '/public/images/award.svg';
 
diff --git a/web/e.cash/data/socials.js b/web/e.cash/data/socials.js
--- a/web/e.cash/data/socials.js
+++ b/web/e.cash/data/socials.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 export const socials = [
     {
         name: 'facebook',
diff --git a/web/e.cash/jest.config.js b/web/e.cash/jest.config.js
--- a/web/e.cash/jest.config.js
+++ b/web/e.cash/jest.config.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 module.exports = {
     collectCoverage: true,
     // on node 14.x coverage provider v8 offers good speed and more or less good report
diff --git a/web/e.cash/next.config.js b/web/e.cash/next.config.js
--- a/web/e.cash/next.config.js
+++ b/web/e.cash/next.config.js
@@ -1,8 +1,25 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 const nextConfig = {
     reactStrictMode: true,
     compiler: {
         styledComponents: true,
     },
+    eslint: {
+        dirs: [
+            'pages',
+            'app',
+            'components',
+            'lib',
+            'src',
+            'data',
+            'styles',
+            '.eslintrc.js',
+            'next.config.js',
+            'jest.config.js',
+        ],
+    },
     images: {
         remotePatterns: [
             {
diff --git a/web/e.cash/styles/global.js b/web/e.cash/styles/global.js
--- a/web/e.cash/styles/global.js
+++ b/web/e.cash/styles/global.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import { createGlobalStyle } from 'styled-components';
 
 export default createGlobalStyle`
diff --git a/web/e.cash/styles/pages/core-tech.js b/web/e.cash/styles/pages/core-tech.js
--- a/web/e.cash/styles/pages/core-tech.js
+++ b/web/e.cash/styles/pages/core-tech.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import styled from 'styled-components';
 
 export const TextImageBlockCtn = styled.div`
diff --git a/web/e.cash/styles/pages/ecash-brand.js b/web/e.cash/styles/pages/ecash-brand.js
--- a/web/e.cash/styles/pages/ecash-brand.js
+++ b/web/e.cash/styles/pages/ecash-brand.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import styled from 'styled-components';
 import Link from 'next/link';
 
diff --git a/web/e.cash/styles/pages/faq.js b/web/e.cash/styles/pages/faq.js
--- a/web/e.cash/styles/pages/faq.js
+++ b/web/e.cash/styles/pages/faq.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import styled from 'styled-components';
 
 export const QuestionBlock = styled.div`
diff --git a/web/e.cash/styles/pages/get-ecash.js b/web/e.cash/styles/pages/get-ecash.js
--- a/web/e.cash/styles/pages/get-ecash.js
+++ b/web/e.cash/styles/pages/get-ecash.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import styled from 'styled-components';
 import Link from 'next/link';
 
diff --git a/web/e.cash/styles/pages/homepage.js b/web/e.cash/styles/pages/homepage.js
--- a/web/e.cash/styles/pages/homepage.js
+++ b/web/e.cash/styles/pages/homepage.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import styled from 'styled-components';
 import Neoncity from '/public/images/neon-city.png';
 
diff --git a/web/e.cash/styles/pages/wealth-redefined.js b/web/e.cash/styles/pages/wealth-redefined.js
--- a/web/e.cash/styles/pages/wealth-redefined.js
+++ b/web/e.cash/styles/pages/wealth-redefined.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 import styled from 'styled-components';
 
 export const TextBlock = styled.div`
diff --git a/web/e.cash/styles/theme.js b/web/e.cash/styles/theme.js
--- a/web/e.cash/styles/theme.js
+++ b/web/e.cash/styles/theme.js
@@ -1,3 +1,6 @@
+// Copyright (c) 2023 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 export const ecash = {
     colors: {
         primary: '#0074c2',