diff --git a/native/native_rust_library/Cargo.lock b/native/native_rust_library/Cargo.lock
--- a/native/native_rust_library/Cargo.lock
+++ b/native/native_rust_library/Cargo.lock
@@ -40,6 +40,28 @@
  "password-hash 0.5.0",
 ]
 
+[[package]]
+name = "async-stream"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd56dd203fef61ac097dd65721a419ddccb106b2d2b70ba60a6b529f03961a51"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.68"
@@ -190,7 +212,7 @@
 dependencies = [
  "argon2 0.4.1",
  "log",
- "opaque-ke 2.0.0",
+ "opaque-ke",
  "rand",
  "tonic",
  "wasm-bindgen",
@@ -202,12 +224,6 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "520fbf3c07483f94e3e3ca9d0cfd913d7718ef2483d2cfd91c0d9e91474ab913"
 
-[[package]]
-name = "constant_time_eq"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
-
 [[package]]
 name = "convert_case"
 version = "0.4.0"
@@ -230,7 +246,7 @@
 checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef"
 dependencies = [
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -245,29 +261,6 @@
  "typenum",
 ]
 
-[[package]]
-name = "crypto-mac"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1d1a86f49236c215f271d40892d5fc950490551400b02ef360692c29815c714"
-dependencies = [
- "generic-array",
- "subtle",
-]
-
-[[package]]
-name = "curve25519-dalek"
-version = "3.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
-dependencies = [
- "byteorder",
- "digest 0.9.0",
- "rand_core 0.5.1",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "curve25519-dalek"
 version = "4.0.0-pre.1"
@@ -276,7 +269,7 @@
 dependencies = [
  "byteorder",
  "digest 0.9.0",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
  "zeroize",
 ]
@@ -408,7 +401,7 @@
  "ff",
  "generic-array",
  "group",
- "rand_core 0.6.4",
+ "rand_core",
  "sec1",
  "subtle",
  "zeroize",
@@ -429,7 +422,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d013fc25338cc558c5c2cfbad646908fb23591e2404481826742b651c9af7160"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -513,10 +506,22 @@
 checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
 dependencies = [
  "ff",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
+[[package]]
+name = "grpc_clients"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "prost",
+ "tonic",
+ "tonic-build",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "h2"
 version = "0.3.17"
@@ -557,33 +562,13 @@
  "libc",
 ]
 
-[[package]]
-name = "hkdf"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01706d578d5c281058480e673ae4086a9f4710d8df1ad80a5b03e39ece5f886b"
-dependencies = [
- "digest 0.9.0",
- "hmac 0.11.0",
-]
-
 [[package]]
 name = "hkdf"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "791a029f6b9fc27657f6f188ec6e5e43f6911f6f878e0dc5501396e09809d437"
 dependencies = [
- "hmac 0.12.1",
-]
-
-[[package]]
-name = "hmac"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
-dependencies = [
- "crypto-mac",
- "digest 0.9.0",
+ "hmac",
 ]
 
 [[package]]
@@ -699,6 +684,15 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
+[[package]]
+name = "js-sys"
+version = "0.3.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
+dependencies = [
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -729,6 +723,15 @@
  "cfg-if",
 ]
 
+[[package]]
+name = "matchers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+dependencies = [
+ "regex-automata",
+]
+
 [[package]]
 name = "matchit"
 version = "0.7.0"
@@ -774,20 +777,27 @@
  "cxx",
  "cxx-build",
  "derive_more",
+ "grpc_clients",
  "lazy_static",
- "opaque-ke 1.2.0",
- "prost",
  "rand",
  "regex",
  "serde",
  "serde_json",
  "tokio",
- "tokio-stream",
  "tonic",
- "tonic-build",
  "tracing",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.13.1"
@@ -804,24 +814,6 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2f7254b99e31cad77da24b08ebf628882739a608578bb1bcdfc1f9c21260d7c0"
 
-[[package]]
-name = "opaque-ke"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f25e5f1be61b7a94f388368a24739318fe4edd2b841d20d7077a422a5391e22f"
-dependencies = [
- "constant_time_eq",
- "curve25519-dalek 3.2.0",
- "digest 0.9.0",
- "displaydoc",
- "generic-array",
- "hkdf 0.11.0",
- "hmac 0.11.0",
- "rand",
- "subtle",
- "zeroize",
-]
-
 [[package]]
 name = "opaque-ke"
 version = "2.0.0"
@@ -829,14 +821,14 @@
 checksum = "76d410412d23781909d90c3900c5783e830586765f2277bccc78167da8af81a5"
 dependencies = [
  "argon2 0.4.1",
- "curve25519-dalek 4.0.0-pre.1",
+ "curve25519-dalek",
  "derive-where",
  "digest 0.10.5",
  "displaydoc",
  "elliptic-curve",
  "generic-array",
- "hkdf 0.12.3",
- "hmac 0.12.1",
+ "hkdf",
+ "hmac",
  "rand",
  "serde",
  "subtle",
@@ -844,6 +836,12 @@
  "zeroize",
 ]
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "password-hash"
 version = "0.4.2"
@@ -851,7 +849,7 @@
 checksum = "7676374caaee8a325c9e7a2ae557f216c5563a171d6997b0ef8a65af35147700"
 dependencies = [
  "base64ct",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -862,7 +860,7 @@
 checksum = "346f04948ba92c43e8469c1ee6736c7563d71012b17d40745260fe106aac2166"
 dependencies = [
  "base64ct",
- "rand_core 0.6.4",
+ "rand_core",
  "subtle",
 ]
 
@@ -1010,7 +1008,7 @@
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core 0.6.4",
+ "rand_core",
 ]
 
 [[package]]
@@ -1020,15 +1018,9 @@
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.4",
+ "rand_core",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
-
 [[package]]
 name = "rand_core"
 version = "0.6.4"
@@ -1058,6 +1050,15 @@
  "regex-syntax",
 ]
 
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+dependencies = [
+ "regex-syntax",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.6.27"
@@ -1073,6 +1074,21 @@
  "winapi",
 ]
 
+[[package]]
+name = "ring"
+version = "0.16.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3053cf52e236a3ed746dfc745aa9cacf1b791d846bdaf412f60a8d7d6e17c8fc"
+dependencies = [
+ "cc",
+ "libc",
+ "once_cell",
+ "spin",
+ "untrusted",
+ "web-sys",
+ "winapi",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.4.0"
@@ -1082,6 +1098,37 @@
  "semver",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki",
+ "sct",
+]
+
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
+dependencies = [
+ "base64",
+]
+
+[[package]]
+name = "rustls-webpki"
+version = "0.101.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c7d5dece342910d9ba34d259310cae3e0154b873b35408b787b59bce53d34fe"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.12"
@@ -1100,6 +1147,16 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8132065adcfd6e02db789d9285a0deb2f3fcb04002865ab67d5fb103533898"
 
+[[package]]
+name = "sct"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d53dcdb7c9f8158937a7981b48accfd39a43af418591a5d008c7b22b5e1b7ca4"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "sec1"
 version = "0.3.0"
@@ -1161,6 +1218,15 @@
  "digest 0.10.5",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.7"
@@ -1170,6 +1236,12 @@
  "autocfg",
 ]
 
+[[package]]
+name = "smallvec"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
+
 [[package]]
 name = "socket2"
 version = "0.4.7"
@@ -1180,6 +1252,12 @@
  "winapi",
 ]
 
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
 [[package]]
 name = "subtle"
 version = "2.4.1"
@@ -1249,6 +1327,16 @@
  "winapi-util",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+]
+
 [[package]]
 name = "tokio"
 version = "1.24.2"
@@ -1288,6 +1376,16 @@
  "syn 1.0.99",
 ]
 
+[[package]]
+name = "tokio-rustls"
+version = "0.24.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28327cf380ac148141087fbfb9de9d7bd4e84ab5d2c28fbc911d753de8a7081"
+dependencies = [
+ "rustls",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.9"
@@ -1319,6 +1417,7 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
 dependencies = [
+ "async-stream",
  "async-trait",
  "axum",
  "base64",
@@ -1333,7 +1432,9 @@
  "percent-encoding",
  "pin-project",
  "prost",
+ "rustls-pemfile",
  "tokio",
+ "tokio-rustls",
  "tokio-stream",
  "tower",
  "tower-layer",
@@ -1411,11 +1512,41 @@
 
 [[package]]
 name = "tracing-core"
-version = "0.1.29"
+version = "0.1.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0955b8137a1df6f1a2e9a37d8a6656291ff0297c1a97c24e0d8425fe2312f79a"
+dependencies = [
+ "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ddad33d2d10b1ed7eb9d1f518a5674713876e97e5bb9b7345a7984fbb4f922"
+dependencies = [
+ "lazy_static",
+ "log",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aeea4303076558a00714b823f9ad67d58a3bbda1df83d8827d21193156e22f7"
+checksum = "30a651bc37f915e81f087d86e62a18eec5f79550c7faff886f7090b4ea757c77"
 dependencies = [
+ "matchers",
+ "nu-ansi-term",
  "once_cell",
+ "regex",
+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing",
+ "tracing-core",
+ "tracing-log",
 ]
 
 [[package]]
@@ -1448,6 +1579,18 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "untrusted"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
+
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -1460,13 +1603,13 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "081acbe8fcf05d5e8e2aad8ef3d40e02eddeaec07c75a9770d862a0fc0874322"
 dependencies = [
- "curve25519-dalek 4.0.0-pre.1",
+ "curve25519-dalek",
  "derive-where",
  "digest 0.10.5",
  "displaydoc",
  "elliptic-curve",
  "generic-array",
- "rand_core 0.6.4",
+ "rand_core",
  "serde",
  "sha2",
  "subtle",
@@ -1491,9 +1634,9 @@
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.84"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31f8dcbc21f30d9b8f2ea926ecb58f6b91192c17e9d33594b3df58b2007ca53b"
+checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -1501,24 +1644,24 @@
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.84"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95ce90fd5bcc06af55a641a86428ee4229e44e07033963a2290a8e241607ccb9"
+checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 1.0.99",
+ "syn 2.0.15",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.84"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c21f77c0bedc37fd5dc21f897894a5ca01e7bb159884559461862ae90c0b4c5"
+checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1526,22 +1669,32 @@
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.84"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2aff81306fcac3c7515ad4e177f521b5c9a15f2b08f4e32d823066102f35a5f6"
+checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.99",
+ "syn 2.0.15",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.84"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0046fef7e28c3804e5e38bfa31ea2a0f73905319b677e57ebe37e49358989b5d"
+checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
+
+[[package]]
+name = "web-sys"
+version = "0.3.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b85cbef8c220a6abc02aefd892dfc0fc23afb1c6a426316ec33253a3877249b"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
 
 [[package]]
 name = "which"
diff --git a/native/native_rust_library/Cargo.toml b/native/native_rust_library/Cargo.toml
--- a/native/native_rust_library/Cargo.toml
+++ b/native/native_rust_library/Cargo.toml
@@ -9,12 +9,9 @@
 [dependencies]
 cxx = "1.0"
 tokio = { version = "1.24", features = ["macros", "rt-multi-thread"] }
-tokio-stream = "0.1"
 tonic = "0.9.1"
-prost = "0.11"
 lazy_static = "1.4"
 rand = "0.8"
-opaque-ke = "1.2"
 tracing = "0.1"
 regex = "1.6"
 comm-opaque2 = {path = "../../shared/comm-opaque2"}
@@ -22,10 +19,11 @@
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 argon2 = "0.5.1"
+grpc_clients = {path = "../../shared/grpc_clients"}
 
 [build-dependencies]
 cxx-build = "1.0"
-tonic-build = "0.9.1"
+regex = "1"
 
 [lib]
 crate-type = ["staticlib"]
diff --git a/native/native_rust_library/build.rs b/native/native_rust_library/build.rs
--- a/native/native_rust_library/build.rs
+++ b/native/native_rust_library/build.rs
@@ -1,13 +1,51 @@
+use regex::Regex;
+use std::env;
+use std::fs;
+use std::path::Path;
+
 fn main() {
-  tonic_build::configure()
-    .build_server(false)
-    .compile(
-      &["../../shared/protos/identity_client.proto"],
-      &["../../shared/protos"],
-    )
-    .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
   let _cxx_build =
     cxx_build::bridge("src/lib.rs").flag_if_supported("-std=c++17");
 
+  const HEADER_PATH: &str = "../cpp/CommonCpp/NativeModules/CommCoreModule.h";
+  let header_path = Path::new(HEADER_PATH);
+
+  let content =
+    fs::read_to_string(header_path).expect("Failed to read CommCoreModule.h");
+
+  let version_line = content
+    .lines()
+    .find(|line| line.contains("const int codeVersion"))
+    .expect("Failed to find codeVersion line");
+  println!("Version line: {}", version_line);
+
+  // The regex searches for the string "const int codeVersion", followed by any
+  // number of whitespace characters, an escaped opening curly brace, more
+  // optional whitespace, a series of one or more digits (which it captures),
+  // some more optional whitespace, an escaped closing curly brace, and finally
+  // a semicolon.
+  let re = Regex::new(r"const int codeVersion\s*\{\s*(\d+)\s*\};").unwrap();
+  let version: u64 = re
+    .captures(version_line)
+    .and_then(|cap| cap.get(1))
+    .map_or_else(
+      || panic!("Failed to capture version number"),
+      |m| {
+        m.as_str()
+          .parse::<u64>()
+          .expect("Failed to parse version number")
+      },
+    );
+
+  let out_dir = env::var("OUT_DIR").unwrap();
+  let rust_path = Path::new(&out_dir).join("version.rs");
+
+  fs::write(
+    rust_path,
+    format!("pub const CODE_VERSION: u64 = {};", version),
+  )
+  .expect("Failed to write version.rs");
+
   println!("cargo:rerun-if-changed=src/lib.rs");
+  println!("cargo:rerun-if-changed={}", HEADER_PATH);
 }
diff --git a/native/native_rust_library/src/identity_client.rs b/native/native_rust_library/src/identity_client.rs
deleted file mode 100644
--- a/native/native_rust_library/src/identity_client.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use tonic::Status;
-
-use crate::IdentityClient;
-
-// User could be logging in from new device, need to resend device information
-pub async fn login_user_pake(
-  mut _client: Box<IdentityClient>,
-  _username: String,
-  _password: String,
-  _key_payload: String,
-  _key_payload_signature: String,
-  _identity_prekey: String,
-  _identity_prekey_signature: String,
-  _notif_prekey: String,
-  _notif_prekey_signature: String,
-  _identity_one_time_keys: Vec<String>,
-  _notif_one_time_keys: Vec<String>,
-) -> Result<String, Status> {
-  unimplemented!();
-}
-
-pub async fn login_user_wallet(
-  mut _client: Box<IdentityClient>,
-  _siwe_message: String,
-  _siwe_signature: String,
-  _key_payload: String,
-  _key_payload_signature: String,
-  _identity_prekey: String,
-  _identity_prekey_signature: String,
-  _notif_prekey: String,
-  _notif_prekey_signature: String,
-  _identity_one_time_keys: Vec<String>,
-  _notif_one_time_keys: Vec<String>,
-) -> Result<String, Status> {
-  unimplemented!();
-}
diff --git a/native/native_rust_library/src/lib.rs b/native/native_rust_library/src/lib.rs
--- a/native/native_rust_library/src/lib.rs
+++ b/native/native_rust_library/src/lib.rs
@@ -1,31 +1,33 @@
 use crate::ffi::{string_callback, void_callback};
-use crate::identity::Empty;
 use comm_opaque2::client::{Login, Registration};
 use comm_opaque2::grpc::opaque_error_to_grpc_status as handle_error;
+use grpc_clients::identity::get_unauthenticated_client;
+use grpc_clients::identity::protos::client::{
+  DeviceKeyUpload, DeviceType, Empty, IdentityKeyInfo,
+  OpaqueLoginFinishRequest, OpaqueLoginStartRequest, PreKey,
+  RegistrationFinishRequest, RegistrationStartRequest,
+  UpdateUserPasswordFinishRequest, UpdateUserPasswordStartRequest,
+  WalletLoginRequest,
+};
 use lazy_static::lazy_static;
 use serde::Serialize;
 use std::sync::Arc;
 use tokio::runtime::{Builder, Runtime};
-use tonic::{transport::Channel, Status};
+use tonic::Status;
 use tracing::instrument;
 
 mod argon2_tools;
 mod crypto_tools;
-mod identity_client;
-
-mod identity {
-  tonic::include_proto!("identity.client");
-}
 
 use argon2_tools::compute_backup_key;
 use crypto_tools::generate_device_id;
-use identity::identity_client_service_client::IdentityClientServiceClient;
-use identity::{
-  DeviceKeyUpload, DeviceType, IdentityKeyInfo, OpaqueLoginFinishRequest,
-  OpaqueLoginStartRequest, PreKey, RegistrationFinishRequest,
-  RegistrationStartRequest, UpdateUserPasswordFinishRequest,
-  UpdateUserPasswordStartRequest, WalletLoginRequest,
-};
+
+mod generated {
+  // We get the CODE_VERSION from this generated file
+  include!(concat!(env!("OUT_DIR"), "/version.rs"));
+}
+
+pub use generated::CODE_VERSION;
 
 #[cfg(not(feature = "android"))]
 pub const DEVICE_TYPE: DeviceType = DeviceType::Ios;
@@ -53,12 +55,6 @@
   }
 
   extern "Rust" {
-    // Identity Service Client
-    type IdentityClient;
-
-    #[cxx_name = "identityInitializeClient"]
-    fn initialize_identity_client(addr: String) -> Box<IdentityClient>;
-
     #[cxx_name = "identityRegisterUser"]
     fn register_user(
       username: String,
@@ -166,8 +162,12 @@
 }
 
 async fn fetch_nonce() -> Result<String, Error> {
-  let mut identity_client =
-    IdentityClientServiceClient::connect("http://127.0.0.1:50054").await?;
+  let mut identity_client = get_unauthenticated_client(
+    "http://127.0.0.1:50054",
+    CODE_VERSION,
+    DEVICE_TYPE.as_str_name().to_lowercase(),
+  )
+  .await?;
   let nonce = identity_client
     .generate_nonce(Empty {})
     .await?
@@ -176,19 +176,6 @@
   Ok(nonce)
 }
 
-#[derive(Debug)]
-pub struct IdentityClient {
-  identity_client: IdentityClientServiceClient<Channel>,
-}
-
-fn initialize_identity_client(addr: String) -> Box<IdentityClient> {
-  Box::new(IdentityClient {
-    identity_client: RUNTIME
-      .block_on(IdentityClientServiceClient::connect(addr))
-      .unwrap(),
-  })
-}
-
 #[instrument]
 fn register_user(
   username: String,
@@ -272,8 +259,12 @@
     }),
   };
 
-  let mut identity_client =
-    IdentityClientServiceClient::connect("http://127.0.0.1:50054").await?;
+  let mut identity_client = get_unauthenticated_client(
+    "http://127.0.0.1:50054",
+    CODE_VERSION,
+    DEVICE_TYPE.as_str_name().to_lowercase(),
+  )
+  .await?;
   let registration_start_response = identity_client
     .register_password_user_start(registration_start_request)
     .await?
@@ -363,8 +354,13 @@
     }),
   };
 
-  let mut identity_client =
-    IdentityClientServiceClient::connect("http://127.0.0.1:50054").await?;
+  let mut identity_client = get_unauthenticated_client(
+    "http://127.0.0.1:50054",
+    CODE_VERSION,
+    DEVICE_TYPE.as_str_name().to_lowercase(),
+  )
+  .await?;
+
   let login_start_response = identity_client
     .login_password_user_start(login_start_request)
     .await?
@@ -463,8 +459,13 @@
     }),
   };
 
-  let mut identity_client =
-    IdentityClientServiceClient::connect("http://127.0.0.1:50054").await?;
+  let mut identity_client = get_unauthenticated_client(
+    "http://127.0.0.1:50054",
+    CODE_VERSION,
+    DEVICE_TYPE.as_str_name().to_lowercase(),
+  )
+  .await?;
+
   let login_response = identity_client
     .login_wallet_user(login_request)
     .await?
@@ -516,8 +517,13 @@
     user_id: update_password_info.user_id,
     device_id_key: update_password_info.device_id,
   };
-  let mut identity_client =
-    IdentityClientServiceClient::connect("http://127.0.0.1:50054").await?;
+  let mut identity_client = get_unauthenticated_client(
+    "http://127.0.0.1:50054",
+    CODE_VERSION,
+    DEVICE_TYPE.as_str_name().to_lowercase(),
+  )
+  .await?;
+
   let update_password_start_respone = identity_client
     .update_user_password_start(update_password_start_request)
     .await?
@@ -548,7 +554,17 @@
   #[display(...)]
   TonicGRPC(Status),
   #[display(...)]
-  TonicTransport(tonic::transport::Error),
-  #[display(...)]
   SerdeJson(serde_json::Error),
+  #[display(...)]
+  GRPClient(grpc_clients::error::Error),
+}
+
+#[cfg(test)]
+mod tests {
+  use super::CODE_VERSION;
+
+  #[test]
+  fn test_code_version_exists() {
+    assert!(CODE_VERSION > 0);
+  }
 }