diff --git a/backend/package-lock.json b/backend/package-lock.json
index 1ebf438..6f3b8d4 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -13,11 +13,12 @@
         "@sentry/profiling-node": "^10.50.0",
         "@stellar/stellar-sdk": "^14.5.0",
         "@supabase/supabase-js": "^2.105.0",
+        "@syncro/shared": "file:../shared",
         "@types/cookie-parser": "^1.4.10",
         "@types/multer": "^2.1.0",
         "@types/uuid": "^10.0.0",
         "archiver": "^7.0.1",
-        "bcryptjs": "^2.4.3",
+        "bcryptjs": "^3.0.3",
         "bip39": "^3.1.0",
         "bullmq": "^5.76.2",
         "cookie-parser": "^1.4.7",
@@ -48,7 +49,7 @@
       "devDependencies": {
         "@stellar/stellar-sdk": "^14.5.0",
         "@types/archiver": "^7.0.0",
-        "@types/bcryptjs": "^2.4.6",
+        "@types/bcryptjs": "^3.0.0",
         "@types/express": "^5.0.6",
         "@types/express-rate-limit": "^5.1.3",
         "@types/jest": "^30.0.0",
@@ -71,6 +72,14 @@
         "typescript": "^6.0.3"
       }
     },
+    "../shared": {
+      "name": "@syncro/shared",
+      "version": "1.0.0",
+      "license": "ISC",
+      "devDependencies": {
+        "typescript": "^5.9.3"
+      }
+    },
     "node_modules/@apidevtools/json-schema-ref-parser": {
       "version": "14.0.1",
       "resolved": "https://registry.npmjs.org/@apidevtools/json-schema-ref-parser/-/json-schema-ref-parser-14.0.1.tgz",
@@ -2032,6 +2041,10 @@
         "node": ">=20.0.0"
       }
     },
+    "node_modules/@syncro/shared": {
+      "resolved": "../shared",
+      "link": true
+    },
     "node_modules/@telegraf/types": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/@telegraf/types/-/types-7.1.0.tgz",
@@ -2133,11 +2146,15 @@
       }
     },
     "node_modules/@types/bcryptjs": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@types/bcryptjs/-/bcryptjs-2.4.6.tgz",
-      "integrity": "sha512-9xlo6R2qDs5uixm0bcIqCeMCE6HiQsIyel9KQySStiyqNl2tnj2mP3DX1Nf56MD6KMenNNlBBsy3LJ7gUEQPXQ==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/@types/bcryptjs/-/bcryptjs-3.0.0.tgz",
+      "integrity": "sha512-WRZOuCuaz8UcZZE4R5HXTco2goQSI2XxjGY3hbM/xDvwmqFWd4ivooImsMx65OKM6CtNKbnZ5YL+YwAwK7c1dg==",
+      "deprecated": "This is a stub types definition. bcryptjs provides its own type definitions, so you do not need this installed.",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "dependencies": {
+        "bcryptjs": "*"
+      }
     },
     "node_modules/@types/body-parser": {
       "version": "1.19.6",
@@ -3556,10 +3573,13 @@
       }
     },
     "node_modules/bcryptjs": {
-      "version": "2.4.3",
-      "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-2.4.3.tgz",
-      "integrity": "sha512-V/Hy/X9Vt7f3BbPJEi8BdVFMByHi+jNXrYkW3huaybV/kQ0KJg0Y6PkEMbn+zeT+i+SiKZ/HMqJGIIt4LZDqNQ==",
-      "license": "MIT"
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-3.0.3.tgz",
+      "integrity": "sha512-GlF5wPWnSa/X5LKM1o0wz0suXIINz1iHRLvTS+sLyi7XPbe5ycmYI3DlZqVGZZtDgl4DmasFg7gOB3JYbphV5g==",
+      "license": "BSD-3-Clause",
+      "bin": {
+        "bcrypt": "bin/bcrypt"
+      }
     },
     "node_modules/bignumber.js": {
       "version": "9.3.1",
diff --git a/backend/package.json b/backend/package.json
index 4fd3626..0399b1c 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -44,7 +44,7 @@
     "@types/multer": "^2.1.0",
     "@types/uuid": "^10.0.0",
     "archiver": "^7.0.1",
-    "bcryptjs": "^2.4.3",
+    "bcryptjs": "^3.0.3",
     "bip39": "^3.1.0",
     "bullmq": "^5.76.2",
     "cookie-parser": "^1.4.7",
@@ -75,7 +75,7 @@
   "devDependencies": {
     "@stellar/stellar-sdk": "^14.5.0",
     "@types/archiver": "^7.0.0",
-    "@types/bcryptjs": "^2.4.6",
+    "@types/bcryptjs": "^3.0.0",
     "@types/express": "^5.0.6",
     "@types/express-rate-limit": "^5.1.3",
     "@types/jest": "^30.0.0",