diff --git a/backend/package.json b/backend/package.json
index 42c27d07..248ab0e9 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@prisma/adapter-pg": "^7.8.0",
     "@prisma/client": "^7.8.0",
-    "@stellar/stellar-sdk": "^15.1.0",
+    "@stellar/stellar-sdk": "^16.0.1",
     "cors": "^2.8.6",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
diff --git a/frontend/package.json b/frontend/package.json
index 9d85c21c..0d9b06b7 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@stellar/freighter-api": "^6.0.1",
-    "@stellar/stellar-sdk": "^15.1.0",
+    "@stellar/stellar-sdk": "^16.0.1",
     "@tanstack/react-query": "^5.101.0",
     "lucide-react": "^0.575.0",
     "next": "16.2.9",
diff --git a/package-lock.json b/package-lock.json
index 467c0f8e..5bc34b8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
       "dependencies": {
         "@prisma/adapter-pg": "^7.8.0",
         "@prisma/client": "^7.8.0",
-        "@stellar/stellar-sdk": "^15.1.0",
+        "@stellar/stellar-sdk": "^16.0.1",
         "cors": "^2.8.6",
         "dotenv": "^17.4.2",
         "express": "^5.2.1",
@@ -79,7 +79,7 @@
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-        "@stellar/stellar-sdk": "^15.1.0",
+        "@stellar/stellar-sdk": "^16.0.1",
         "@tanstack/react-query": "^5.101.0",
         "lucide-react": "^0.575.0",
         "next": "16.2.9",
@@ -1801,23 +1801,18 @@
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+    "node_modules/@noble/ed25519": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@noble/ed25519/-/ed25519-3.1.0.tgz",
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-        "@noble/hashes": "1.8.0"
-      },
-      "engines": {
-        "node": "^14.21.3 || >=16"
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       "funding": {
         "url": "https://paulmillr.com/funding/"
       }
     },
     "node_modules/@noble/hashes": {
       "version": "1.8.0",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": "^14.21.3 || >=16"
@@ -2936,24 +2931,7 @@
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-      "resolved": "https://registry.npmjs.org/@stellar/stellar-base/-/stellar-base-15.0.0.tgz",
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-      "license": "Apache-2.0",
-      "dependencies": {
-        "@noble/curves": "^1.9.7",
-        "@stellar/js-xdr": "^4.0.0",
-        "base32.js": "^0.1.0",
-        "bignumber.js": "^9.3.1",
-        "buffer": "^6.0.3",
-        "sha.js": "^2.4.12"
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-      "engines": {
-        "node": ">=20.0.0"
-      }
-    },
-    "node_modules/@stellar/stellar-base/node_modules/@stellar/js-xdr": {
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@@ -2964,24 +2942,51 @@
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+      "version": "16.0.1",
+      "resolved": "https://registry.npmjs.org/@stellar/stellar-sdk/-/stellar-sdk-16.0.1.tgz",
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-        "@stellar/stellar-base": "^15.0.0",
-        "axios": "1.15.0",
-        "bignumber.js": "^9.3.1",
+        "@noble/ed25519": "^3.1.0",
+        "@noble/hashes": "^2.2.0",
+        "@stellar/js-xdr": "4.0.0",
+        "axios": "1.16.1",
+        "base32.js": "^0.1.0",
+        "bignumber.js": "^11.1.1",
+        "buffer": "^6.0.3",
         "commander": "^14.0.3",
-        "eventsource": "^2.0.2",
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         "feaxios": "^0.0.23",
-        "randombytes": "^2.1.0",
-        "toml": "^3.0.0",
-        "urijs": "^1.19.11"
+        "smol-toml": "^1.6.1",
+        "uint8array-extras": "^1.5.0"
       },
       "bin": {
         "stellar-js": "bin/stellar-js"
       },
+      "engines": {
+        "node": ">=22.0.0"
+      }
+    },
+    "node_modules/@stellar/stellar-sdk/node_modules/@noble/hashes": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-2.2.0.tgz",
+      "integrity": "sha512-IYqDGiTXab6FniAgnSdZwgWbomxpy9FtYvLKs7wCUs2a8RkITG+DFGO1DM9cr+E3/RgADRpFjrKVaJ1z6sjtEg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 20.19.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      }
+    },
+    "node_modules/@stellar/stellar-sdk/node_modules/eventsource": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-4.1.0.tgz",
+      "integrity": "sha512-2GuF51iuHX6A9xdTccMTsNb7VO0lHZihApxhvQzJB5A03DvHDd2FQepodbMaztPBmBcE/ox7o2gqaxGhYB9LhQ==",
+      "license": "MIT",
+      "dependencies": {
+        "eventsource-parser": "^3.0.1"
+      },
       "engines": {
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       }
@@ -4398,6 +4403,7 @@
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     "node_modules/available-typed-arrays": {
       "version": "1.0.7",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
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@@ -4426,16 +4432,42 @@
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-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.15.0.tgz",
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+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.16.1.tgz",
+      "integrity": "sha512-caYkukvroVPO8KrzuJEb50Hm07KwfBZPEC3VeFHTsqWHvKTsy54hjJz9BS/cdaypROE2rH6xvm9mHX4fgWkr3A==",
       "license": "MIT",
       "dependencies": {
-        "follow-redirects": "^1.15.11",
+        "follow-redirects": "^1.16.0",
         "form-data": "^4.0.5",
+        "https-proxy-agent": "^5.0.1",
         "proxy-from-env": "^2.1.0"
       }
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+    "node_modules/axios/node_modules/agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
+    },
+    "node_modules/axios/node_modules/https-proxy-agent": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
+      "license": "MIT",
+      "dependencies": {
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/axobject-query": {
       "version": "4.1.0",
       "dev": true,
@@ -4455,6 +4487,8 @@
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     "node_modules/base32.js": {
       "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/base32.js/-/base32.js-0.1.0.tgz",
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@@ -4504,11 +4538,10 @@
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     "node_modules/bignumber.js": {
-      "version": "9.3.1",
-      "license": "MIT",
-      "engines": {
-        "node": "*"
-      }
+      "version": "11.1.4",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-11.1.4.tgz",
+      "integrity": "sha512-AJ9dSeaUGj2xu7tEwmdqb51dqdb633xo4njI9K8ZFfcLrNr0XN8/EPkkZUNaF9fkCblGt2zVwZymesUdGynEkQ==",
+      "license": "MIT"
     },
     "node_modules/binary-extensions": {
       "version": "2.3.0",
@@ -4706,6 +4739,7 @@
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     "node_modules/call-bind": {
       "version": "1.0.9",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "call-bind-apply-helpers": "^1.0.2",
@@ -5241,6 +5275,7 @@
     },
     "node_modules/define-data-property": {
       "version": "1.1.4",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "es-define-property": "^1.0.0",
@@ -6511,11 +6546,21 @@
     },
     "node_modules/eventsource": {
       "version": "2.0.2",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=12.0.0"
       }
     },
+    "node_modules/eventsource-parser": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/eventsource-parser/-/eventsource-parser-3.1.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/expect-type": {
       "version": "1.3.0",
       "dev": true,
@@ -6777,7 +6822,9 @@
       "license": "MIT"
     },
     "node_modules/follow-redirects": {
-      "version": "1.15.11",
+      "version": "1.16.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.16.0.tgz",
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@@ -6796,6 +6843,7 @@
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     "node_modules/for-each": {
       "version": "0.3.5",
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       "license": "MIT",
       "dependencies": {
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@@ -7290,6 +7338,7 @@
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     "node_modules/has-property-descriptors": {
       "version": "1.0.2",
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       "license": "MIT",
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@@ -7662,6 +7711,7 @@
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     "node_modules/is-callable": {
       "version": "1.2.7",
+      "dev": true,
       "license": "MIT",
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@@ -7936,6 +7986,7 @@
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     "node_modules/is-typed-array": {
       "version": "1.1.15",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
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@@ -7989,6 +8040,7 @@
     },
     "node_modules/isarray": {
       "version": "2.0.5",
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/isexe": {
@@ -9644,6 +9696,7 @@
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     "node_modules/possible-typed-array-names": {
       "version": "1.1.0",
+      "dev": true,
       "license": "MIT",
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@@ -9913,13 +9966,6 @@
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       "license": "MIT"
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-    "node_modules/randombytes": {
-      "version": "2.1.0",
-      "license": "MIT",
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       "license": "MIT",
@@ -10465,6 +10511,7 @@
     },
     "node_modules/set-function-length": {
       "version": "1.2.2",
+      "dev": true,
       "license": "MIT",
       "dependencies": {
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@@ -10509,24 +10556,6 @@
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-      "version": "2.4.12",
-      "license": "(MIT AND BSD-3-Clause)",
-      "dependencies": {
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-        "safe-buffer": "^5.2.1",
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-      "funding": {
-        "url": "https://github.com/sponsors/ljharb"
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       "hasInstallScript": true,
@@ -10729,6 +10758,18 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/smol-toml": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.7.0.tgz",
+      "integrity": "sha512-aqVvWoyO21L23mb+drl4RmMXbf6N7FdHjAhTRA9ZBL7apWBgfWC16KjrASI+1p9GAroljyMHj6fK67i0UiTNvQ==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">= 18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/cyyynthia"
+      }
+    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "license": "BSD-3-Clause",
@@ -11395,18 +11436,6 @@
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-      "version": "1.2.2",
-      "license": "MIT",
-      "dependencies": {
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@@ -11425,10 +11454,6 @@
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-      "license": "MIT"
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       "dev": true,
@@ -11589,6 +11614,7 @@
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     "node_modules/typed-array-buffer": {
       "version": "1.0.3",
+      "dev": true,
       "license": "MIT",
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@@ -11690,6 +11716,18 @@
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+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/uint8array-extras/-/uint8array-extras-1.5.0.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -11797,10 +11835,6 @@
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@@ -12164,6 +12198,7 @@
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