diff --git a/.eslintrc.js b/.eslintrc.js
deleted file mode 100644
index 45cf2c1..0000000
--- a/.eslintrc.js
+++ /dev/null
@@ -1,5 +0,0 @@
-module.exports = {
-  root: true,
-  extends: ['universe/native', 'universe/web'],
-  ignorePatterns: ['build'],
-};
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5e6a32b..80e1549 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -35,9 +35,15 @@ jobs:
       - name: Install dependencies
         run: pnpm install
 
+      - name: Style
+        run: pnpm style:check
+
       - name: Build
         run: pnpm build
 
+      - name: Check types
+        run: pnpm types:check
+
   continuous-deployment:
     if: github.event_name == 'workflow_dispatch'
 
diff --git a/.release-it.json b/.release-it.json
index da9bcc6..de3f599 100644
--- a/.release-it.json
+++ b/.release-it.json
@@ -4,6 +4,7 @@
   },
   "npm": {
     "skipChecks": true,
+    "ignoreVersion": true,
     "tag": "latest"
   },
   "git": {
diff --git a/biome.json b/biome.json
new file mode 100644
index 0000000..27e72e9
--- /dev/null
+++ b/biome.json
@@ -0,0 +1,35 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.8.1/schema.json",
+  "formatter": {
+    "lineWidth": 120,
+    "indentStyle": "space"
+  },
+  "javascript": {
+    "parser": {
+      "unsafeParameterDecoratorsEnabled": true
+    },
+    "formatter": {
+      "semicolons": "asNeeded",
+      "quoteStyle": "single",
+      "trailingCommas": "es5",
+      "lineWidth": 120,
+      "indentStyle": "space"
+    }
+  },
+  "json": {
+    "parser": {
+      "allowComments": true
+    }
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "linter": {
+    "enabled": true
+  },
+  "vcs": {
+    "useIgnoreFile": true,
+    "clientKind": "git",
+    "enabled": true
+  }
+}
diff --git a/example/App.tsx b/example/App.tsx
index 5fca13c..d241eee 100644
--- a/example/App.tsx
+++ b/example/App.tsx
@@ -1,74 +1,70 @@
-import {
-  ariesAskar,
-  KeyAlgs,
-  LocalKeyHandle,
-} from "@hyperledger/aries-askar-react-native";
-import {
-  sign,
-  generateKeypair,
-  getPublicBytesForKeyId,
-} from "expo-secure-environment";
-import { Button } from "react-native";
-import { StyleSheet, View } from "react-native";
+import { generateKeypair, getPublicBytesForKeyId, sign } from '@animo-id/expo-secure-environment'
+import { KeyAlgs, LocalKeyHandle, ariesAskar } from '@hyperledger/aries-askar-react-native'
+import { Button } from 'react-native'
+import { StyleSheet, View } from 'react-native'
 
 export default function App() {
   const testBiometrics = async () => {
-    try{
-    const id = new Date().toString();
-    generateKeypair(id, true);
-    const publicKey = getPublicBytesForKeyId(id);
-    const key = ariesAskar.keyFromPublicBytes({
-      algorithm: KeyAlgs.EcSecp256r1,
-      publicKey,
-    });
-    const kHandle = new LocalKeyHandle(key.handle);
-    const message = new Uint8Array(10).fill(10);
-    const signature = await sign(id, new Uint8Array(message), true);
-    const isValid = ariesAskar.keyVerifySignature({
-      message,
-      signature,
-      localKeyHandle: kHandle,
-    });
+    try {
+      const id = new Date().toString()
+      generateKeypair(id, true)
+      const publicKey = getPublicBytesForKeyId(id)
+      const key = ariesAskar.keyFromPublicBytes({
+        algorithm: KeyAlgs.EcSecp256r1,
+        publicKey,
+      })
+      const kHandle = new LocalKeyHandle(key.handle)
+      const message = new Uint8Array(10).fill(10)
+      const signature = await sign(id, new Uint8Array(message), true)
+      const isValid = ariesAskar.keyVerifySignature({
+        message,
+        signature,
+        localKeyHandle: kHandle,
+      })
 
-    console.log(isValid);
-    }catch(e) {
-      console.error('ERRRRRR', e)
+      console.log('Signing with biometrics enabled isValid: ', isValid)
+    } catch (e) {
+      console.error('Error signing with biometrics enabled', e)
     }
-  };
+  }
 
   const testNoBiometrics = async () => {
-    const id = new Date().toString();
-    generateKeypair(id, false);
-    const publicKey = getPublicBytesForKeyId(id);
-    const key = ariesAskar.keyFromPublicBytes({
-      algorithm: KeyAlgs.EcSecp256r1,
-      publicKey,
-    });
-    const kHandle = new LocalKeyHandle(key.handle);
-    const message = new Uint8Array(10).fill(10);
-    const signature = await sign(id, new Uint8Array(message), false);
-    const isValid = ariesAskar.keyVerifySignature({
-      message,
-      signature,
-      localKeyHandle: kHandle,
-    });
+    try {
+      const id = new Date().toString()
+      generateKeypair(id, false)
+      const publicKey = getPublicBytesForKeyId(id)
+      const key = ariesAskar.keyFromPublicBytes({
+        algorithm: KeyAlgs.EcSecp256r1,
+        publicKey,
+      })
+      const kHandle = new LocalKeyHandle(key.handle)
+      const message = new Uint8Array(10).fill(10)
+      const signature = await sign(id, new Uint8Array(message), false)
+      const isValid = ariesAskar.keyVerifySignature({
+        message,
+        signature,
+        localKeyHandle: kHandle,
+      })
 
-    console.log(isValid);
-  };
+      console.log('Signing with biometrics disabled isValid: ', isValid)
+    } catch (e) {
+      console.error('Error signing with biometrics disabled', e)
+    }
+  }
 
   return (
     <View style={styles.container}>
       <Button title="test biometrics" onPress={testBiometrics} />
       <Button title="test without biometrics" onPress={testNoBiometrics} />
     </View>
-  );
+  )
 }
 
 const styles = StyleSheet.create({
   container: {
     flex: 1,
-    backgroundColor: "#fff",
-    alignItems: "center",
-    justifyContent: "center",
+    backgroundColor: '#fff',
+    alignItems: 'center',
+    justifyContent: 'center',
   },
-});
+})
diff --git a/example/app.json b/example/app.json
index 3e884f8..59c7d7a 100644
--- a/example/app.json
+++ b/example/app.json
@@ -13,7 +13,10 @@
     },
     "ios": {
       "supportsTablet": true,
-      "bundleIdentifier": "id.animo.secure.environment.example"
+      "bundleIdentifier": "id.animo.secure.environment.example",
+      "infoPlist": {
+        "NSFaceIDUsageDescription": "FaceID is used to securely sign data"
+      }
     },
     "android": {
       "adaptiveIcon": {
diff --git a/example/babel.config.js b/example/babel.config.js
index 9d89e13..9f057ea 100644
--- a/example/babel.config.js
+++ b/example/babel.config.js
@@ -1,6 +1,6 @@
-module.exports = function (api) {
-  api.cache(true);
+module.exports = (api) => {
+  api.cache(true)
   return {
     presets: ['babel-preset-expo'],
-  };
-};
+  }
+}
diff --git a/example/index.js b/example/index.js
index e5802d2..9f60ac4 100644
--- a/example/index.js
+++ b/example/index.js
@@ -1,5 +1,5 @@
-import { registerRootComponent } from "expo";
+import { registerRootComponent } from 'expo'
 
-import App from "./App";
+import App from './App'
 
-registerRootComponent(App);
+registerRootComponent(App)
diff --git a/example/metro.config.js b/example/metro.config.js
index 0b2f15f..1e35e87 100644
--- a/example/metro.config.js
+++ b/example/metro.config.js
@@ -1,8 +1,8 @@
 // Learn more https://docs.expo.io/guides/customizing-metro
-const { getDefaultConfig } = require('expo/metro-config');
-const path = require('path');
+const { getDefaultConfig } = require('expo/metro-config')
+const path = require('node:path')
 
-const config = getDefaultConfig(__dirname);
+const config = getDefaultConfig(__dirname)
 
 // npm v7+ will install ../node_modules/react and ../node_modules/react-native because of peerDependencies.
 // To prevent the incompatible react-native between ./node_modules/react-native and ../node_modules/react-native,
@@ -11,24 +11,24 @@ config.resolver.blockList = [
   ...Array.from(config.resolver.blockList ?? []),
   new RegExp(path.resolve('..', 'node_modules', 'react')),
   new RegExp(path.resolve('..', 'node_modules', 'react-native')),
-];
+]
 
 config.resolver.nodeModulesPaths = [
   path.resolve(__dirname, './node_modules'),
   path.resolve(__dirname, '../node_modules'),
-];
+]
 
 config.resolver.extraNodeModules = {
-  'expo-secure-environment': '..',
-};
+  '@animo-id/expo-secure-environment': '..',
+}
 
-config.watchFolders = [path.resolve(__dirname, '..')];
+config.watchFolders = [path.resolve(__dirname, '..')]
 
 config.transformer.getTransformOptions = async () => ({
   transform: {
     experimentalImportSupport: false,
     inlineRequires: true,
   },
-});
+})
 
-module.exports = config;
+module.exports = config
diff --git a/example/package.json b/example/package.json
index c1b242b..0181526 100644
--- a/example/package.json
+++ b/example/package.json
@@ -6,18 +6,16 @@
     "start": "expo start",
     "android": "expo run:android",
     "ios": "expo run:ios",
-    "web": "expo start --web"
+    "prebuild": "expo prebuild --no-install"
   },
   "dependencies": {
     "@babel/runtime": "^7.24.8",
     "@hyperledger/aries-askar-react-native": "^0.2.3",
-    "@react-native/assets-registry": "^0.74.85",
     "expo": "~51.0.22",
     "react": "18.2.0",
     "react-native": "0.74.3"
   },
   "devDependencies": {
-    "@babel/core": "^7.20.0",
     "@types/react": "~18.2.45",
     "typescript": "^5.1.3"
   },
diff --git a/example/pnpm-lock.yaml b/example/pnpm-lock.yaml
index 9071c50..3b63ec0 100644
--- a/example/pnpm-lock.yaml
+++ b/example/pnpm-lock.yaml
@@ -14,9 +14,6 @@ importers:
       '@hyperledger/aries-askar-react-native':
         specifier: ^0.2.3
         version: 0.2.3(react-native@0.74.3(@babel/core@7.24.9)(@babel/preset-env@7.24.8(@babel/core@7.24.9))(@types/react@18.2.79)(react@18.2.0))(react@18.2.0)
-      '@react-native/assets-registry':
-        specifier: ^0.74.85
-        version: 0.74.85
       expo:
         specifier: ~51.0.22
         version: 51.0.22(@babel/core@7.24.9)(@babel/preset-env@7.24.8(@babel/core@7.24.9))
@@ -27,9 +24,6 @@ importers:
         specifier: 0.74.3
         version: 0.74.3(@babel/core@7.24.9)(@babel/preset-env@7.24.8(@babel/core@7.24.9))(@types/react@18.2.79)(react@18.2.0)
     devDependencies:
-      '@babel/core':
-        specifier: ^7.20.0
-        version: 7.24.9
       '@types/react':
         specifier: ~18.2.45
         version: 18.2.79
diff --git a/example/tsconfig.json b/example/tsconfig.json
index e7ad035..55f7e88 100644
--- a/example/tsconfig.json
+++ b/example/tsconfig.json
@@ -3,8 +3,7 @@
   "compilerOptions": {
     "strict": true,
     "paths": {
-      "expo-secure-environment": ["../src/index"],
-      "expo-secure-environment/*": ["../src/*"]
+      "@animo-id/expo-secure-environment": ["../src/index"]
     }
   }
 }
diff --git a/ios/SecureEnvironment.swift b/ios/SecureEnvironment.swift
index b577504..ed13b27 100644
--- a/ios/SecureEnvironment.swift
+++ b/ios/SecureEnvironment.swift
@@ -15,18 +15,19 @@ struct SecureEnvironment {
           kSecAttrApplicationTag as String: Bundle.main.bundleIdentifier.unsafelyUnwrapped,
         ],
     ]
-
+      
+    var flags: SecAccessControlCreateFlags = [.privateKeyUsage]
     if biometricsBacked {
-      let accessControl = SecAccessControlCreateWithFlags(
-        kCFAllocatorDefault,
-        kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
-        [.privateKeyUsage, .biometryCurrentSet],
-        nil
-      )
-
-      attributes[kSecAttrAccessControl as String] = accessControl
+      flags.insert(.biometryCurrentSet)
     }
 
+    attributes[kSecAttrAccessControl as String] = SecAccessControlCreateWithFlags(
+      kCFAllocatorDefault,
+      kSecAttrAccessibleWhenUnlockedThisDeviceOnly,
+      flags,
+      nil
+    )
+
     var error: Unmanaged<CFError>?
     guard SecKeyCreateRandomKey(attributes as CFDictionary, &error) != nil else {
       throw error!.takeRetainedValue() as Error
diff --git a/package.json b/package.json
index a4efab1..ccf191b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@animo-id/expo-secure-environment",
-  "version": "0.1.0-alpha.3",
+  "version": "0.0.0",
   "description": "Expo Secure Environment",
   "main": "build/index.js",
   "types": "build/index.d.ts",
@@ -9,17 +9,15 @@
   },
   "scripts": {
     "build": "EXPO_NONINTERACTIVE=1 expo-module build",
+    "style:check": "biome check --unsafe",
+    "style:fix": "biome check --write --unsafe",
+    "types:check": "EXPO_NONINTERACTIVE=1 expo-module typecheck",
     "expo-module": "expo-module",
     "open:ios": "xed example/ios",
     "open:android": "open -a \"Android Studio\" example/android",
     "release": "release-it"
   },
-  "keywords": [
-    "react-native",
-    "expo",
-    "expo-secure-environment",
-    "ExpoSecureEnvironment"
-  ],
+  "keywords": ["react-native", "expo", "expo-secure-environment", "ExpoSecureEnvironment"],
   "repository": "https://github.com/animo/expo-secure-environment",
   "bugs": {
     "url": "https://github.com/animo/expo-secure-environment/issues"
@@ -33,10 +31,12 @@
     "@peculiar/asn1-x509": "^2.3.8"
   },
   "devDependencies": {
+    "@biomejs/biome": "^1.8.3",
     "@types/react": "^18.0.25",
     "expo-module-scripts": "^3.5.2",
     "expo-modules-core": "^1.12.19",
-    "release-it": "^17.4.1"
+    "release-it": "^17.4.1",
+    "typescript": "^5.5.4"
   },
   "peerDependencies": {
     "expo": "*",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6824083..258ad9c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -27,6 +27,9 @@ importers:
         specifier: '*'
         version: 0.74.3(@babel/core@7.24.9)(@babel/preset-env@7.24.8(@babel/core@7.24.9))(@types/react@18.3.3)(react@18.3.1)
     devDependencies:
+      '@biomejs/biome':
+        specifier: ^1.8.3
+        version: 1.8.3
       '@types/react':
         specifier: ^18.0.25
         version: 18.3.3
@@ -39,6 +42,9 @@ importers:
       release-it:
         specifier: ^17.4.1
         version: 17.6.0(typescript@5.5.4)
+      typescript:
+        specifier: ^5.5.4
+        version: 5.5.4
 
 packages:
 
@@ -819,6 +825,59 @@ packages:
   '@bcoe/v8-coverage@0.2.3':
     resolution: {integrity: sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==}
 
+  '@biomejs/biome@1.8.3':
+    resolution: {integrity: sha512-/uUV3MV+vyAczO+vKrPdOW0Iaet7UnJMU4bNMinggGJTAnBPjCoLEYcyYtYHNnUNYlv4xZMH6hVIQCAozq8d5w==}
+    engines: {node: '>=14.21.3'}
+    hasBin: true
+
+  '@biomejs/cli-darwin-arm64@1.8.3':
+    resolution: {integrity: sha512-9DYOjclFpKrH/m1Oz75SSExR8VKvNSSsLnVIqdnKexj6NwmiMlKk94Wa1kZEdv6MCOHGHgyyoV57Cw8WzL5n3A==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@biomejs/cli-darwin-x64@1.8.3':
+    resolution: {integrity: sha512-UeW44L/AtbmOF7KXLCoM+9PSgPo0IDcyEUfIoOXYeANaNXXf9mLUwV1GeF2OWjyic5zj6CnAJ9uzk2LT3v/wAw==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [darwin]
+
+  '@biomejs/cli-linux-arm64-musl@1.8.3':
+    resolution: {integrity: sha512-9yjUfOFN7wrYsXt/T/gEWfvVxKlnh3yBpnScw98IF+oOeCYb5/b/+K7YNqKROV2i1DlMjg9g/EcN9wvj+NkMuQ==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [linux]
+
+  '@biomejs/cli-linux-arm64@1.8.3':
+    resolution: {integrity: sha512-fed2ji8s+I/m8upWpTJGanqiJ0rnlHOK3DdxsyVLZQ8ClY6qLuPc9uehCREBifRJLl/iJyQpHIRufLDeotsPtw==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [linux]
+
+  '@biomejs/cli-linux-x64-musl@1.8.3':
+    resolution: {integrity: sha512-UHrGJX7PrKMKzPGoEsooKC9jXJMa28TUSMjcIlbDnIO4EAavCoVmNQaIuUSH0Ls2mpGMwUIf+aZJv657zfWWjA==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [linux]
+
+  '@biomejs/cli-linux-x64@1.8.3':
+    resolution: {integrity: sha512-I8G2QmuE1teISyT8ie1HXsjFRz9L1m5n83U1O6m30Kw+kPMPSKjag6QGUn+sXT8V+XWIZxFFBoTDEDZW2KPDDw==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [linux]
+
+  '@biomejs/cli-win32-arm64@1.8.3':
+    resolution: {integrity: sha512-J+Hu9WvrBevfy06eU1Na0lpc7uR9tibm9maHynLIoAjLZpQU3IW+OKHUtyL8p6/3pT2Ju5t5emReeIS2SAxhkQ==}
+    engines: {node: '>=14.21.3'}
+    cpu: [arm64]
+    os: [win32]
+
+  '@biomejs/cli-win32-x64@1.8.3':
+    resolution: {integrity: sha512-/PJ59vA1pnQeKahemaQf4Nyj7IKUvGQSc3Ze1uIGi+Wvr1xF7rGobSrAAG01T/gUDG21vkDsZYM03NAmPiVkqg==}
+    engines: {node: '>=14.21.3'}
+    cpu: [x64]
+    os: [win32]
+
   '@eslint-community/eslint-utils@4.4.0':
     resolution: {integrity: sha512-1/sA4dwrzBAyeUoQ6oxahHKmrZvsnLCg4RfxW3ZFGGmQkSNQPFNLV9CUEFQP1x9EYXHTo5p6xdhZM1Ne9p/AfA==}
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
@@ -6689,6 +6748,41 @@ snapshots:
 
   '@bcoe/v8-coverage@0.2.3': {}
 
+  '@biomejs/biome@1.8.3':
+    optionalDependencies:
+      '@biomejs/cli-darwin-arm64': 1.8.3
+      '@biomejs/cli-darwin-x64': 1.8.3
+      '@biomejs/cli-linux-arm64': 1.8.3
+      '@biomejs/cli-linux-arm64-musl': 1.8.3
+      '@biomejs/cli-linux-x64': 1.8.3
+      '@biomejs/cli-linux-x64-musl': 1.8.3
+      '@biomejs/cli-win32-arm64': 1.8.3
+      '@biomejs/cli-win32-x64': 1.8.3
+
+  '@biomejs/cli-darwin-arm64@1.8.3':
+    optional: true
+
+  '@biomejs/cli-darwin-x64@1.8.3':
+    optional: true
+
+  '@biomejs/cli-linux-arm64-musl@1.8.3':
+    optional: true
+
+  '@biomejs/cli-linux-arm64@1.8.3':
+    optional: true
+
+  '@biomejs/cli-linux-x64-musl@1.8.3':
+    optional: true
+
+  '@biomejs/cli-linux-x64@1.8.3':
+    optional: true
+
+  '@biomejs/cli-win32-arm64@1.8.3':
+    optional: true
+
+  '@biomejs/cli-win32-x64@1.8.3':
+    optional: true
+
   '@eslint-community/eslint-utils@4.4.0(eslint@8.57.0)':
     dependencies:
       eslint: 8.57.0
diff --git a/src/ExpoSecureEnvironmentModule.ts b/src/ExpoSecureEnvironmentModule.ts
index d08a0a3..4987687 100644
--- a/src/ExpoSecureEnvironmentModule.ts
+++ b/src/ExpoSecureEnvironmentModule.ts
@@ -1,3 +1,3 @@
-import { requireNativeModule } from "expo-modules-core";
+import { requireNativeModule } from 'expo-modules-core'
 
-export default requireNativeModule("ExpoSecureEnvironment");
+export default requireNativeModule('ExpoSecureEnvironment')
diff --git a/src/index.ts b/src/index.ts
index cf7ffa6..d903119 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,57 +1,49 @@
-import { Platform } from "expo-modules-core";
-import ExpoSecureEnvironmentModule from "./ExpoSecureEnvironmentModule";
-import { AsnParser } from "@peculiar/asn1-schema";
-import { ECDSASigValue } from "@peculiar/asn1-ecc";
-import { SubjectPublicKeyInfo } from "@peculiar/asn1-x509";
-
-export function generateKeypair(id: string, biometricsBacked: boolean = true) {
-  ExpoSecureEnvironmentModule.generateKeypair(id, biometricsBacked);
+import { ECDSASigValue } from '@peculiar/asn1-ecc'
+import { AsnParser } from '@peculiar/asn1-schema'
+import { SubjectPublicKeyInfo } from '@peculiar/asn1-x509'
+import { Platform } from 'expo-modules-core'
+import ExpoSecureEnvironmentModule from './ExpoSecureEnvironmentModule'
+
+export function generateKeypair(id: string, biometricsBacked = true) {
+  ExpoSecureEnvironmentModule.generateKeypair(id, biometricsBacked)
 }
 
 export function getPublicBytesForKeyId(keyId: string): Uint8Array {
-  const publicBytes = ExpoSecureEnvironmentModule.getPublicBytesForKeyId(keyId);
+  const publicBytes = ExpoSecureEnvironmentModule.getPublicBytesForKeyId(keyId)
 
-  if (Platform.OS === "android") {
-    let spki = AsnParser.parse(publicBytes, SubjectPublicKeyInfo);
-    const uncompressedKey = new Uint8Array(spki.subjectPublicKey);
+  if (Platform.OS === 'android') {
+    const spki = AsnParser.parse(publicBytes, SubjectPublicKeyInfo)
+    const uncompressedKey = new Uint8Array(spki.subjectPublicKey)
     if (uncompressedKey.length !== 65 || uncompressedKey[0] !== 0x04) {
-        throw new Error("Invalid uncompressed key format");
+      throw new Error('Invalid uncompressed key format')
     }
 
     // Extract the X and Y coordinates
-    const x = uncompressedKey.slice(1, 33); // bytes 1 to 32 (X coordinate)
-    const y = uncompressedKey.slice(33, 65); // bytes 33 to 64 (Y coordinate)
+    const x = uncompressedKey.slice(1, 33) // bytes 1 to 32 (X coordinate)
+    const y = uncompressedKey.slice(33, 65) // bytes 33 to 64 (Y coordinate)
 
     // Determine the parity of the Y coordinate
-    const prefix = y[y.length - 1] % 2 === 0 ? 0x02 : 0x03;
+    const prefix = y[y.length - 1] % 2 === 0 ? 0x02 : 0x03
 
     // Return the compressed key (prefix + X coordinate)
-    const compressedKey = new Uint8Array(33);
-    compressedKey[0] = prefix;
-    compressedKey.set(x, 1);
+    const compressedKey = new Uint8Array(33)
+    compressedKey[0] = prefix
+    compressedKey.set(x, 1)
 
-    return compressedKey;
+    return compressedKey
   }
 
-  return publicBytes;
+  return publicBytes
 }
 
-export async function sign(
-  keyId: string,
-  message: Uint8Array,
-  biometricsBacked: boolean = true
-): Promise<Uint8Array> {
+export async function sign(keyId: string, message: Uint8Array, biometricsBacked = true): Promise<Uint8Array> {
   const signature =
-    Platform.OS === "ios"
+    Platform.OS === 'ios'
       ? await ExpoSecureEnvironmentModule.sign(keyId, message)
-      : await ExpoSecureEnvironmentModule.sign(
-          keyId,
-          message,
-          biometricsBacked
-        );
-
-  const { r, s } = AsnParser.parse(signature, ECDSASigValue);
-  const newR = new Uint8Array(r.byteLength === 33 ? r.slice(1) : r);
-  const newS = new Uint8Array(s.byteLength === 33 ? s.slice(1) : s);
-  return new Uint8Array([...newR, ...newS]);
+      : await ExpoSecureEnvironmentModule.sign(keyId, message, biometricsBacked)
+
+  const { r, s } = AsnParser.parse(signature, ECDSASigValue)
+  const newR = new Uint8Array(r.byteLength === 33 ? r.slice(1) : r)
+  const newS = new Uint8Array(s.byteLength === 33 ? s.slice(1) : s)
+  return new Uint8Array([...newR, ...newS])
 }