diff --git a/clients/client-core/src/config/mod.rs b/clients/client-core/src/config/mod.rs
index 968f093464..75d1ab8c57 100644
--- a/clients/client-core/src/config/mod.rs
+++ b/clients/client-core/src/config/mod.rs
@@ -26,9 +26,9 @@ pub mod persistence;
 pub const MISSING_VALUE: &str = "MISSING VALUE";
 
 // 'CLIENT'
-pub const DEFAULT_VALIDATOR_REST_ENDPOINT: &str = "http://testnet-validator1.nymtech.net:8081";
-pub const DEFAULT_MIXNET_CONTRACT_ADDRESS: &str =
-    "TODO: THIS NEEDS TO BE FILLED WITH SOME REASONABLE VALUE!";
+pub const DEFAULT_VALIDATOR_REST_ENDPOINT: &str =
+    "http://testnet-finney-validator.nymtech.net:1317";
+pub const DEFAULT_MIXNET_CONTRACT_ADDRESS: &str = "hal1tndcaqxkpc5ce9qee5ggqf430mr2z3pev9mf39";
 
 // 'DEBUG'
 const DEFAULT_ACK_WAIT_MULTIPLIER: f64 = 1.5;
diff --git a/gateway/src/config/mod.rs b/gateway/src/config/mod.rs
index 2fe110ee72..8f098f24ab 100644
--- a/gateway/src/config/mod.rs
+++ b/gateway/src/config/mod.rs
@@ -22,9 +22,8 @@ pub(crate) const MISSING_VALUE: &str = "MISSING VALUE";
 const DEFAULT_MIX_LISTENING_PORT: u16 = 1789;
 const DEFAULT_CLIENT_LISTENING_PORT: u16 = 9000;
 pub(crate) const DEFAULT_VALIDATOR_REST_ENDPOINT: &str =
-    "http://testnet-validator1.nymtech.net:8081";
-pub const DEFAULT_MIXNET_CONTRACT_ADDRESS: &str =
-    "TODO: THIS NEEDS TO BE FILLED WITH SOME REASONABLE VALUE!";
+    "http://testnet-finney-validator.nymtech.net:1317";
+pub const DEFAULT_MIXNET_CONTRACT_ADDRESS: &str = "hal1tndcaqxkpc5ce9qee5ggqf430mr2z3pev9mf39";
 
 // 'DEBUG'
 // where applicable, the below are defined in milliseconds
diff --git a/mixnode/src/config/mod.rs b/mixnode/src/config/mod.rs
index ca686b92df..0d306b7a4a 100644
--- a/mixnode/src/config/mod.rs
+++ b/mixnode/src/config/mod.rs
@@ -21,10 +21,9 @@ pub(crate) const MISSING_VALUE: &str = "MISSING VALUE";
 // 'MIXNODE'
 const DEFAULT_LISTENING_PORT: u16 = 1789;
 pub(crate) const DEFAULT_VALIDATOR_REST_ENDPOINT: &str =
-    "http://testnet-validator1.nymtech.net:8081";
+    "http://testnet-finney-validator.nymtech.net:1317";
 pub(crate) const DEFAULT_METRICS_SERVER: &str = "http://testnet-metrics.nymtech.net:8080";
-pub const DEFAULT_MIXNET_CONTRACT_ADDRESS: &str =
-    "TODO: THIS NEEDS TO BE FILLED WITH SOME REASONABLE VALUE!";
+pub const DEFAULT_MIXNET_CONTRACT_ADDRESS: &str = "hal1tndcaqxkpc5ce9qee5ggqf430mr2z3pev9mf39";
 
 // 'DEBUG'
 const DEFAULT_METRICS_RUNNING_STATS_LOGGING_DELAY: Duration = Duration::from_millis(60_000);