diff --git a/packages/account-wasm/pkg/account_wasm_bg.js b/packages/account-wasm/pkg/account_wasm_bg.js
index 519eb8ee8..e1feb6033 100644
--- a/packages/account-wasm/pkg/account_wasm_bg.js
+++ b/packages/account-wasm/pkg/account_wasm_bg.js
@@ -443,6 +443,11 @@ export function __wbindgen_object_drop_ref(arg0) {
     takeObject(arg0);
 };
 
+export function __wbindgen_string_new(arg0, arg1) {
+    const ret = getStringFromWasm0(arg0, arg1);
+    return addHeapObject(ret);
+};
+
 export function __wbindgen_error_new(arg0, arg1) {
     const ret = new Error(getStringFromWasm0(arg0, arg1));
     return addHeapObject(ret);
@@ -477,6 +482,16 @@ export function __wbindgen_jsval_eq(arg0, arg1) {
     return ret;
 };
 
+export function __wbindgen_cb_drop(arg0) {
+    const obj = takeObject(arg0).original;
+    if (obj.cnt-- == 1) {
+        obj.a = 0;
+        return true;
+    }
+    const ret = false;
+    return ret;
+};
+
 export function __wbindgen_boolean_get(arg0) {
     const v = getObject(arg0);
     const ret = typeof(v) === 'boolean' ? (v ? 1 : 0) : 2;
@@ -511,16 +526,6 @@ export function __wbindgen_is_undefined(arg0) {
     return ret;
 };
 
-export function __wbindgen_cb_drop(arg0) {
-    const obj = takeObject(arg0).original;
-    if (obj.cnt-- == 1) {
-        obj.a = 0;
-        return true;
-    }
-    const ret = false;
-    return ret;
-};
-
 export function __wbindgen_jsval_loose_eq(arg0, arg1) {
     const ret = getObject(arg0) == getObject(arg1);
     return ret;
@@ -531,11 +536,6 @@ export function __wbindgen_number_new(arg0) {
     return addHeapObject(ret);
 };
 
-export function __wbindgen_string_new(arg0, arg1) {
-    const ret = getStringFromWasm0(arg0, arg1);
-    return addHeapObject(ret);
-};
-
 export function __wbg_getwithrefkey_edc2c8960f0f1191(arg0, arg1) {
     const ret = getObject(arg0)[getObject(arg1)];
     return addHeapObject(ret);
@@ -1002,8 +1002,8 @@ export function __wbindgen_memory() {
     return addHeapObject(ret);
 };
 
-export function __wbindgen_closure_wrapper1519(arg0, arg1, arg2) {
-    const ret = makeMutClosure(arg0, arg1, 512, __wbg_adapter_48);
+export function __wbindgen_closure_wrapper1521(arg0, arg1, arg2) {
+    const ret = makeMutClosure(arg0, arg1, 516, __wbg_adapter_48);
     return addHeapObject(ret);
 };
 
diff --git a/packages/account-wasm/pkg/account_wasm_bg.wasm b/packages/account-wasm/pkg/account_wasm_bg.wasm
index 5c5398f73..39f9ab20d 100644
Binary files a/packages/account-wasm/pkg/account_wasm_bg.wasm and b/packages/account-wasm/pkg/account_wasm_bg.wasm differ
diff --git a/packages/account-wasm/src/lib.rs b/packages/account-wasm/src/lib.rs
index 53f049861..a78f0e676 100644
--- a/packages/account-wasm/src/lib.rs
+++ b/packages/account-wasm/src/lib.rs
@@ -48,8 +48,9 @@ use types::invocation::JsInvocationsDetails;
 use types::outside_execution::JsOutsideExecution;
 use types::session::{JsCredentials, JsSession};
 use url::Url;
-use utils::{policies_match, set_panic_hook};
+use utils::{calculate_contract_address, policies_match, set_panic_hook};
 use wasm_bindgen::prelude::*;
+use web_sys::console;
 
 use crate::types::TryFromJsValue;
 
@@ -61,6 +62,8 @@ pub struct CartridgeAccount {
     device_signer: DeviceSigner,
     username: String,
     rpc_url: Url,
+    rp_id: String,
+    origin: String,
 }
 
 #[wasm_bindgen]
@@ -118,6 +121,8 @@ impl CartridgeAccount {
             device_signer,
             username,
             rpc_url,
+            rp_id,
+            origin,
         })
     }
 
@@ -315,6 +320,18 @@ impl CartridgeAccount {
         constructor_calldata[0] = Felt::TWO; // incorrect signer enum from serialization
         constructor_calldata.push(Felt::ONE); // no guardian
 
+        let address = calculate_contract_address(
+            starknetutils::cairo_short_string_to_felt(&self.username)?,
+            Felt::from_str(ACCOUNT_CLASS_HASH)?,
+            &constructor_calldata,
+        );
+        console::log_1(&format!("constructor {:#?}", constructor_calldata).into());
+        console::log_1(&format!("deployment address: {:#x}", address).into());
+        console::log_1(&format!("backend address: {:#x}", self.account.address()).into());
+        console::log_1(&format!("rp_id: {}", self.rp_id).into());
+        console::log_1(&format!("origin: {}", self.origin).into());
+        console::log_1(&format!("username: {}", self.username).into());
+
         let factory = CartridgeAccountFactory::new(
             Felt::from_str(ACCOUNT_CLASS_HASH)?,
             self.account.chain_id(),
diff --git a/packages/account-wasm/src/utils.rs b/packages/account-wasm/src/utils.rs
index 038769048..7124e64d0 100644
--- a/packages/account-wasm/src/utils.rs
+++ b/packages/account-wasm/src/utils.rs
@@ -1,11 +1,26 @@
 use std::collections::HashMap;
 
 use starknet::accounts::Call;
-use starknet::core::types::Felt;
+use starknet::core::crypto::compute_hash_on_elements;
+use starknet::core::types::{Felt, NonZeroFelt};
 use starknet::core::utils::get_selector_from_name;
 
 use crate::types::policy::JsPolicy;
 
+const PREFIX_CONTRACT_ADDRESS: Felt = Felt::from_raw([
+    533439743893157637,
+    8635008616843941496,
+    17289941567720117366,
+    3829237882463328880,
+]);
+
+const ADDR_BOUND: NonZeroFelt = NonZeroFelt::from_raw([
+    576459263475590224,
+    18446744073709255680,
+    160989183,
+    18446743986131443745,
+]);
+
 pub fn set_panic_hook() {
     // When the `console_error_panic_hook` feature is enabled, we can call the
     // `set_panic_hook` function at least once during initialization, and then
@@ -32,3 +47,18 @@ pub fn policies_match(calls: &[Call], policies: &[JsPolicy]) -> bool {
         .iter()
         .all(|call| policy_map.contains_key(&call.selector))
 }
+
+pub fn calculate_contract_address(
+    salt: Felt,
+    class_hash: Felt,
+    constructor_calldata: &[Felt],
+) -> Felt {
+    compute_hash_on_elements(&[
+        PREFIX_CONTRACT_ADDRESS,
+        Felt::ZERO,
+        salt,
+        class_hash,
+        compute_hash_on_elements(constructor_calldata),
+    ])
+    .mod_floor(&ADDR_BOUND)
+}
diff --git a/packages/keychain/src/components/connect/Login.tsx b/packages/keychain/src/components/connect/Login.tsx
index 081bf0511..d81746c59 100644
--- a/packages/keychain/src/components/connect/Login.tsx
+++ b/packages/keychain/src/components/connect/Login.tsx
@@ -127,7 +127,7 @@ export function Login({
                     {...field}
                     onChange={(e) => {
                       setError(undefined);
-                      field.onChange(e);
+                      field.onChange(e.target.value.toLowerCase());
                     }}
                     autoFocus
                     placeholder="Username"
diff --git a/packages/keychain/src/components/connect/Signup.tsx b/packages/keychain/src/components/connect/Signup.tsx
index a6e815794..84027ea84 100644
--- a/packages/keychain/src/components/connect/Signup.tsx
+++ b/packages/keychain/src/components/connect/Signup.tsx
@@ -173,7 +173,7 @@ function Form({ isSlot, onLogin, onSuccess }: SignupProps) {
               error={meta.error || errors?.username}
               onChange={(e) => {
                 setError(undefined);
-                field.onChange(e);
+                field.onChange(e.target.value.toLowerCase());
               }}
               onClear={() => {
                 setError(undefined);