diff --git a/resources/migrations/sql/create_tables_001.sql b/resources/migrations/sql/create_tables_001.sql
index 0be5d6c..ef951c3 100644
--- a/resources/migrations/sql/create_tables_001.sql
+++ b/resources/migrations/sql/create_tables_001.sql
@@ -106,6 +106,24 @@ CREATE TABLE IF NOT EXISTS cashed_cheques
     CONSTRAINT double_spending UNIQUE (drawer_user_id, cheque_number) -- no double spending
 );
 
+CREATE TABLE IF NOT EXISTS cached_wire_transfers
+(
+    id                           INTEGER PRIMARY KEY AUTOINCREMENT,
+    drawer_account_id            INTEGER NOT NULL,
+    drawer_account_version       INTEGER NOT NULL,
+    wire_transfer_request_number INTEGER NOT NULL,
+    amount                       INTEGER NOT NULL,
+    underlying_security          INTEGER NOT NULL,
+    payee_account_id             INTEGER NOT NULL,
+    payee_account_version        INTEGER NOT NULL,
+    creation_time                DATETIME DEFAULT CURRENT_TIMESTAMP,
+
+    FOREIGN KEY (underlying_security) REFERENCES securities (id),
+    FOREIGN KEY (drawer_account_id) REFERENCES accounts (id),
+    FOREIGN KEY (payee_account_id) REFERENCES accounts (id),
+    CONSTRAINT double_spending UNIQUE (drawer_account_id, wire_transfer_request_number) -- no double spending
+);
+
 CREATE TABLE IF NOT EXISTS event_processing_statuses
 (
     value TEXT PRIMARY KEY
@@ -119,11 +137,11 @@ VALUES ('processing'),
 
 CREATE TABLE IF NOT EXISTS event_processing_log
 (
-    id     TEXT PRIMARY KEY,
-    event  JSON,
-    status TEXT NOT NULL,
-    received_time DATETIME NOT NULL,
+    id             TEXT PRIMARY KEY,
+    event          JSON,
+    status         TEXT     NOT NULL,
+    received_time  DATETIME NOT NULL,
     completed_time DATETIME,
-    error_message TEXT NOT NULL DEFAULT '',
+    error_message  TEXT     NOT NULL DEFAULT '',
     FOREIGN KEY (status) REFERENCES event_processing_statuses (value)
 )
\ No newline at end of file
diff --git a/resources/templates/partials/actions/create_security.html b/resources/templates/partials/actions/create_security.html
index 07b549b..86a3b32 100644
--- a/resources/templates/partials/actions/create_security.html
+++ b/resources/templates/partials/actions/create_security.html
@@ -30,6 +30,6 @@
   </label>
 </div>
 
-<input type="hidden" name="event.CreateNewSecurity.userId" value="{{ user.id }}">
+<input type="hidden" name="event.CreateNewSecurity.user_id" value="{{ user.id }}">
 
 {%include "partials/actions/submit_button.html"%}
diff --git a/resources/templates/partials/actions/emit_securities.html b/resources/templates/partials/actions/emit_securities.html
index 10daa07..a0777d7 100644
--- a/resources/templates/partials/actions/emit_securities.html
+++ b/resources/templates/partials/actions/emit_securities.html
@@ -1,3 +1,11 @@
+<input type="hidden"
+       name="event.EmitSecurities.id"
+       value="7876">
+
+<input type="hidden"
+       name="event.EmitSecurities.emitter"
+       value="{{ user.id }}">
+
 <div class="uk-margin">
   <label class="uk-form-label"> Emitter Account
     <select class="uk-select"
diff --git a/src/db/_accounts.rs b/src/db/_accounts.rs
index 3521d7e..7a5fc09 100644
--- a/src/db/_accounts.rs
+++ b/src/db/_accounts.rs
@@ -8,7 +8,7 @@ use crate::db::external_id::SecurityId;
 use crate::util::{CustomResult, Error};
 use crate::util::Error::FuckingError;
 
-#[derive(PartialEq, Debug)]
+#[derive(Debug)]
 pub enum AccountType {
     Checking,
     SecurityEmitter,
@@ -31,6 +31,16 @@ impl AccountType {
     }
 }
 
+impl PartialEq for AccountType {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (AccountType::SecurityEmitter, AccountType::SecurityEmitter) => true,
+            (AccountType::Checking, AccountType::Checking) => true,
+            _ => false,
+        }
+    }
+}
+
 impl ToString for AccountType{
     fn to_string(&self) -> String {
         match self {
diff --git a/src/db/_cheques.rs b/src/db/_cheques.rs
index 0dbaf7a..565251b 100644
--- a/src/db/_cheques.rs
+++ b/src/db/_cheques.rs
@@ -32,15 +32,17 @@ pub struct WireTransferRequest {
     pub drawer_user_id: UserId,
     pub payee_account_id: AccountId,
     pub amount: i64,
+    pub wire_transfer_number: i64,
 }
 
 impl WireTransferRequest {
-    pub fn new(drawer: Drawer, payee: & AccountId, amount: i64) -> WireTransferRequest {
+    pub fn new(drawer: Drawer, payee: & AccountId, amount: i64, wire_transfer_number: i64) -> WireTransferRequest {
         WireTransferRequest {
             drawer_user_id: drawer.0,
             drawer_account_id: drawer.1,
             payee_account_id: payee.clone(),
             amount,
+            wire_transfer_number
         }
     }
 
diff --git a/src/event_processor.rs b/src/event_processor.rs
index e0e1333..2954e78 100644
--- a/src/event_processor.rs
+++ b/src/event_processor.rs
@@ -1,9 +1,12 @@
 use rusqlite::{Connection, Transaction};
-use crate::db::accounts::{create_checking_account, create_security_emitter_account};
+use crate::db::accounts;
+use crate::db::accounts::{AccountType, create_checking_account, create_security_emitter_account};
+use crate::db::cheques::{Drawer, WireTransferRequest};
 
 use crate::db::securities::create_security;
 use crate::db::users::create_user;
 use crate::events::{CreateNewAccount, CreateNewSecurity, CreateNewUser, EmitSecurities, Event};
+use crate::services::cash_wire_transfer_request;
 use crate::util::{CustomResult, Error};
 
 fn process_create_new_security_event(
@@ -12,8 +15,7 @@ fn process_create_new_security_event(
 ) -> CustomResult<()> {
     let r = event.to_create_new_security().unwrap();
     let sec = create_security(tx, &r)?;
-    create_security_emitter_account(&tx, &sec.id(), &event.userId)?;
-
+    create_security_emitter_account(&tx, &sec.id(), &event.user_id)?;
     Ok(())
 }
 
@@ -28,18 +30,40 @@ fn process_create_new_account_event(tx: &mut Transaction, event: CreateNewAccoun
 }
 
 fn process_emit_securities_event(tx: &mut Transaction, event: EmitSecurities) -> CustomResult<()> {
-    // create_checking_account(&tx, &event.securityId, &event.userId)?;
-    println!("Here it goes > {:?}", event);
+    let emitter_account  = accounts::get_account_by_id(tx, &event.emitter_account)?;
+    if emitter_account.account_type() != & AccountType::SecurityEmitter {
+        return Err(Error::UserInputError("".to_string()));
+    }
+    let mut i: i64 = 0;
+    for payee_account_id in event.payee_accounts {
+        let drawer: Drawer = (event.emitter.clone(),
+                              event.emitter_account.clone(),
+                              emitter_account.security().id().clone());
+        let wtr = WireTransferRequest::new(drawer.clone(),
+                                           &payee_account_id,
+                                           event.amount,
+                                           event.id + i);
+        cash_wire_transfer_request(tx, &wtr)?;
+        i += 1;
+    }
     Ok(())
 }
 
 pub fn process_event(conn: &mut Connection, event: Event) -> CustomResult<()> {
     let mut tx = conn.transaction().map_err(Error::SqlError)?;
-    match event {
-        Event::CreateNewSecurity(e) => process_create_new_security_event(&mut tx, e)?,
-        Event::CreateNewUser(e) => process_create_new_user_event(&mut tx, e)?,
-        Event::CreateNewAccount(e) => process_create_new_account_event(&mut tx, e)?,
-        Event::EmitSecurities(e) => process_emit_securities_event(&mut tx, e)?,
+    let ret = match event {
+        Event::CreateNewSecurity(e) => process_create_new_security_event(&mut tx, e),
+        Event::CreateNewUser(e) => process_create_new_user_event(&mut tx, e),
+        Event::CreateNewAccount(e) => process_create_new_account_event(&mut tx, e),
+        Event::EmitSecurities(e) => process_emit_securities_event(&mut tx, e),
     };
-    tx.commit().map_err(Error::SqlError)
+    match ret {
+        Err(_) => {
+            tx.rollback().map_err(Error::SqlError)?;
+            ret
+        }
+        Ok(_) => {
+            tx.commit().map_err(Error::SqlError)
+        }
+    }
 }
diff --git a/src/events.rs b/src/events.rs
index f8a1111..1013b0e 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -8,7 +8,7 @@ pub struct CreateNewSecurity {
     pub security_type: String,
     pub symbol: String,
     pub name: String,
-    pub userId: UserId,
+    pub user_id: UserId,
 }
 
 impl CreateNewSecurity {
@@ -47,6 +47,8 @@ pub struct CreateNewAccount {
 #[derive(Deserialize, Serialize, Debug)]
 pub struct EmitSecurities {
     pub amount: i64,
+    pub id: i64,
+    pub emitter: UserId,
     pub emitter_account: AccountId,
     pub payee_accounts: Vec<AccountId>,
 }
diff --git a/src/services/_transactions.rs b/src/services/_transactions.rs
index 1f1f1e6..500d64a 100644
--- a/src/services/_transactions.rs
+++ b/src/services/_transactions.rs
@@ -62,6 +62,48 @@ fn _transfer_wire_transfer_securities(
                                                      wire_transfer_request.amount)
 }
 
+fn _add_wire_transfer_request_to_wire_transfers_log(tx: &Connection,
+                                                    cheque: &WireTransferRequest,
+                                                    drawer_receipt: &accounts::AccountChangeReceipt,
+                                                    payee_receipt: &accounts::AccountChangeReceipt) -> Result<(), Error> {
+    let q = "
+        INSERT INTO cached_wire_transfers(
+            drawer_account_id,
+            drawer_account_version,
+            payee_account_id,
+            payee_account_version,
+            wire_transfer_request_number,
+            amount,
+            underlying_security
+        )
+        VALUES(?1, ?2, ?3, ?4, ?5, ?6, ?7)
+    ";
+    let params = params![
+        drawer_receipt.account_id,
+        drawer_receipt.version,
+        payee_receipt.account_id,
+        payee_receipt.version,
+        cheque.amount,
+        cheque.amount,
+        payee_receipt.security_id
+    ];
+    let ret = tx.execute(q, params).map_err(Error::SqlError);
+    match ret {
+        Ok(_) => Ok(()),
+        Err(Error::SqlError(rusqlite::Error::SqliteFailure(
+                                ffi::Error {
+                                    code: _,
+                                    extended_code: 2067,
+                                },
+                                _,
+                            ))) => Err(Error::DoubleSpendingError(format!(
+            "Wire transfer number {} has already been cached.",
+            cheque.amount
+        ))),
+        Err(a) => Err(a),
+    }
+}
+
 fn _add_cheque_to_cashed_cheques_log(
     tx: &Connection,
     cheque: &Cheque,
@@ -172,6 +214,7 @@ fn cash_wire_transfer_request_unsafe(
         )));
     }
     let (drawer_receipt, payee_receipt) = _transfer_wire_transfer_securities(&savepoint, wire_transfer)?;
+    _add_wire_transfer_request_to_wire_transfers_log(&savepoint, wire_transfer, &drawer_receipt, &payee_receipt)?;
     Ok(())
 }
 
@@ -191,7 +234,7 @@ fn cash_cheque(
     }
 }
 
-fn cash_wire_transfer_request(
+pub fn cash_wire_transfer_request(
     tx: &mut Transaction,
     wire_transfer: &WireTransferRequest,
 ) -> CustomResult<()> {
@@ -496,7 +539,7 @@ mod test_wire_transfers {
         let mut tx = conn.transaction().unwrap();
 
         // let cheque = Cheque::new(security_emitter, payee, 1000, 99);
-        let wire_transfer = WireTransferRequest::new(security_emitter, &payee_account, 1000);;
+        let wire_transfer = WireTransferRequest::new(security_emitter, &payee_account, 1000, 777);;
 
         cash_wire_transfer_request(&mut tx, &wire_transfer)?;
         tx.commit().unwrap();
@@ -513,7 +556,7 @@ mod test_wire_transfers {
         let (mut conn, drawer, payee, payee_account) = setup_basic();
         let mut tx = conn.transaction().unwrap();
 
-        let wire_transfer = WireTransferRequest::new(drawer.clone(), &payee_account, 25);
+        let wire_transfer = WireTransferRequest::new(drawer.clone(), &payee_account, 25, 989);
 
         cash_wire_transfer_request(&mut tx, &wire_transfer)?;
 
@@ -526,5 +569,20 @@ mod test_wire_transfers {
         Ok(())
     }
 
+    #[test]
+    fn test_wire_transfer_double_spending() -> CustomResult<()> {
+        let (mut conn, drawer, payee, payee_account) = setup_basic();
+        let wire_transfer = WireTransferRequest::new(drawer.clone(), &payee_account, 25, 989);
 
+        let mut tx = conn.transaction().unwrap();
+        cash_wire_transfer_request(&mut tx, &wire_transfer)?;
+        tx.commit().unwrap();
+
+        let mut tx = conn.transaction().unwrap();
+        let ret = cash_wire_transfer_request(&mut tx, &wire_transfer);
+        match ret {
+            Err(Error::DoubleSpendingError(_)) => Ok(()),
+            _ => Err(Error::Testing("Expected DoubleSpendingError error".to_string()))
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/services/mod.rs b/src/services/mod.rs
index 04ef0f4..c18a760 100644
--- a/src/services/mod.rs
+++ b/src/services/mod.rs
@@ -2,6 +2,7 @@ pub use crate::services::_authentication::SessionService;
 pub use crate::services::_securities::SecurityService;
 pub use crate::services::_users::UserService;
 pub use crate::services::_accounts::AccountService;
+pub use crate::services::_transactions::cash_wire_transfer_request;
 
 mod _authentication;
 mod _securities;
diff --git a/tools/run-local b/tools/run-local
index 1fd6909..41419e8 100755
--- a/tools/run-local
+++ b/tools/run-local
@@ -1,2 +1,3 @@
 #!/usr/bin/env bash
+cargo run users new --name didier.amyot@gmail.com --public-key fooof
 exec cargo run -- -vvv wui run --port 9999 --enable-template-autoreload
\ No newline at end of file