diff --git a/packages/valory/agents/mech/aea-config.yaml b/packages/valory/agents/mech/aea-config.yaml
index 46f1c9f7..772493ec 100644
--- a/packages/valory/agents/mech/aea-config.yaml
+++ b/packages/valory/agents/mech/aea-config.yaml
@@ -152,6 +152,11 @@ models:
         all_participants: ${list:["0x10E867Ac2Fb0Aa156ca81eF440a5cdf373bE1AaC"]}
         safe_contract_address: ${str:0x5e1D1eb61E1164D5a50b28C575dA73A29595dFf7}
         consensus_threshold: ${int:null}
+      use_slashing: ${bool:false}
+      slash_cooldown_hours: ${int:3}
+      slash_threshold_amount: ${int:10000000000000000}
+      light_slash_unit_amount: ${int:5000000000000000}
+      serious_slash_unit_amount: ${int:8000000000000000}
 ---
 public_id: valory/task_execution:0.1.0
 type: skill
diff --git a/packages/valory/services/mech/service.yaml b/packages/valory/services/mech/service.yaml
index a00d2edb..d80450e7 100644
--- a/packages/valory/services/mech/service.yaml
+++ b/packages/valory/services/mech/service.yaml
@@ -45,6 +45,11 @@ type: skill
         use_termination: ${USE_TERMINATION:bool:false}
         agent_mech_contract_address: ${AGENT_MECH_CONTRACT_ADDRESS:str:0xFf82123dFB52ab75C417195c5fDB87630145ae81}
         reset_period_count: ${RESET_PERIOD_COUNT:int:1000}
+        use_slashing: ${USE_SLASHING:bool:false}
+        slash_cooldown_hours: ${SLASH_COOLDOWN_HOURS:int:3}
+        slash_threshold_amount: ${SLASH_THRESHOLD_AMOUNT:int:10000000000000000}
+        light_slash_unit_amount: ${LIGHT_SLASH_UNIT_AMOUNT:int:5000000000000000}
+        serious_slash_unit_amount: ${SERIOUS_SLASH_UNIT_AMOUNT:int:8000000000000000}
 1:
   models:
     params:
@@ -64,6 +69,11 @@ type: skill
         use_termination: ${USE_TERMINATION:bool:false}
         agent_mech_contract_address: ${AGENT_MECH_CONTRACT_ADDRESS:str:0xFf82123dFB52ab75C417195c5fDB87630145ae81}
         reset_period_count: ${RESET_PERIOD_COUNT:int:1000}
+        use_slashing: ${USE_SLASHING:bool:false}
+        slash_cooldown_hours: ${SLASH_COOLDOWN_HOURS:int:3}
+        slash_threshold_amount: ${SLASH_THRESHOLD_AMOUNT:int:10000000000000000}
+        light_slash_unit_amount: ${LIGHT_SLASH_UNIT_AMOUNT:int:5000000000000000}
+        serious_slash_unit_amount: ${SERIOUS_SLASH_UNIT_AMOUNT:int:8000000000000000}
 2:
   models:
     params:
@@ -83,6 +93,11 @@ type: skill
         use_termination: ${USE_TERMINATION:bool:false}
         agent_mech_contract_address: ${AGENT_MECH_CONTRACT_ADDRESS:str:0xFf82123dFB52ab75C417195c5fDB87630145ae81}
         reset_period_count: ${RESET_PERIOD_COUNT:int:1000}
+        use_slashing: ${USE_SLASHING:bool:false}
+        slash_cooldown_hours: ${SLASH_COOLDOWN_HOURS:int:3}
+        slash_threshold_amount: ${SLASH_THRESHOLD_AMOUNT:int:10000000000000000}
+        light_slash_unit_amount: ${LIGHT_SLASH_UNIT_AMOUNT:int:5000000000000000}
+        serious_slash_unit_amount: ${SERIOUS_SLASH_UNIT_AMOUNT:int:8000000000000000}
 3:
   models:
     params:
@@ -102,6 +117,11 @@ type: skill
         use_termination: ${USE_TERMINATION:bool:false}
         agent_mech_contract_address: ${AGENT_MECH_CONTRACT_ADDRESS:str:0xFf82123dFB52ab75C417195c5fDB87630145ae81}
         reset_period_count: ${RESET_PERIOD_COUNT:int:1000}
+        use_slashing: ${USE_SLASHING:bool:false}
+        slash_cooldown_hours: ${SLASH_COOLDOWN_HOURS:int:3}
+        slash_threshold_amount: ${SLASH_THRESHOLD_AMOUNT:int:10000000000000000}
+        light_slash_unit_amount: ${LIGHT_SLASH_UNIT_AMOUNT:int:5000000000000000}
+        serious_slash_unit_amount: ${SERIOUS_SLASH_UNIT_AMOUNT:int:8000000000000000}
 ---
 public_id: valory/task_execution:0.1.0
 type: skill
diff --git a/packages/valory/skills/contract_subscription/skill.yaml b/packages/valory/skills/contract_subscription/skill.yaml
index 5d729041..f95ab2cf 100644
--- a/packages/valory/skills/contract_subscription/skill.yaml
+++ b/packages/valory/skills/contract_subscription/skill.yaml
@@ -38,6 +38,11 @@ models:
   params:
     args:
       use_polling: false
+      use_slashing: false
+      slash_cooldown_hours: 3
+      slash_threshold_amount: 10000000000000000
+      light_slash_unit_amount: 5000000000000000
+      serious_slash_unit_amount: 8000000000000000
     class_name: Params
 dependencies:
   open-aea-web3:
diff --git a/packages/valory/skills/mech_abci/behaviours.py b/packages/valory/skills/mech_abci/behaviours.py
index 41895897..9bc9b459 100644
--- a/packages/valory/skills/mech_abci/behaviours.py
+++ b/packages/valory/skills/mech_abci/behaviours.py
@@ -57,4 +57,4 @@ class MechConsensusBehaviour(AbstractRoundBehaviour):
         *TransactionSettlementRoundBehaviour.behaviours,
         *TerminationAbciBehaviours.behaviours,
     }
-    background_behaviour_cls = BackgroundBehaviour
+    background_behaviours_cls = {BackgroundBehaviour}
diff --git a/packages/valory/skills/mech_abci/composition.py b/packages/valory/skills/mech_abci/composition.py
index bf21245f..420aef98 100644
--- a/packages/valory/skills/mech_abci/composition.py
+++ b/packages/valory/skills/mech_abci/composition.py
@@ -27,9 +27,12 @@
     AbciAppTransitionMapping,
     chain,
 )
-from packages.valory.skills.termination_abci.rounds import BackgroundRound
-from packages.valory.skills.termination_abci.rounds import Event as TerminationEvent
-from packages.valory.skills.termination_abci.rounds import TerminationAbciApp
+from packages.valory.skills.abstract_round_abci.base import BackgroundAppConfig
+from packages.valory.skills.termination_abci.rounds import (
+    BackgroundRound,
+    Event,
+    TerminationAbciApp,
+)
 
 
 # Here we define how the transition between the FSMs should happen
@@ -45,6 +48,12 @@
     ResetAndPauseAbci.FinishedResetAndPauseErrorRound: RegistrationAbci.RegistrationRound,
 }
 
+termination_config = BackgroundAppConfig(
+    round_cls=BackgroundRound,
+    start_event=Event.TERMINATE,
+    abci_app=TerminationAbciApp,
+)
+
 MechAbciApp = chain(
     (
         RegistrationAbci.AgentRegistrationAbciApp,
@@ -53,8 +62,4 @@
         TransactionSubmissionAbciApp.TransactionSubmissionAbciApp,
     ),
     abci_app_transition_mapping,
-).add_termination(
-    background_round_cls=BackgroundRound,
-    termination_event=TerminationEvent.TERMINATE,
-    termination_abci_app=TerminationAbciApp,
-)
+).add_background_app(termination_config)
diff --git a/packages/valory/skills/mech_abci/skill.yaml b/packages/valory/skills/mech_abci/skill.yaml
index a86965fc..5dca97d0 100644
--- a/packages/valory/skills/mech_abci/skill.yaml
+++ b/packages/valory/skills/mech_abci/skill.yaml
@@ -150,6 +150,11 @@ models:
       use_termination: false
       validate_timeout: 1205
       task_wait_timeout: 15.0
+      use_slashing: false
+      slash_cooldown_hours: 3
+      slash_threshold_amount: 10000000000000000
+      light_slash_unit_amount: 5000000000000000
+      serious_slash_unit_amount: 8000000000000000
     class_name: Params
   randomness_api:
     args:
diff --git a/packages/valory/skills/task_execution/skill.yaml b/packages/valory/skills/task_execution/skill.yaml
index 6b466aa5..4c040f78 100644
--- a/packages/valory/skills/task_execution/skill.yaml
+++ b/packages/valory/skills/task_execution/skill.yaml
@@ -77,6 +77,11 @@ models:
       polling_interval: 30.0
       agent_index: 0
       num_agents: 4
+      use_slashing: false
+      slash_cooldown_hours: 3
+      slash_threshold_amount: 10000000000000000
+      light_slash_unit_amount: 5000000000000000
+      serious_slash_unit_amount: 8000000000000000
     class_name: Params
 dependencies:
   openai:
diff --git a/packages/valory/skills/task_submission_abci/skill.yaml b/packages/valory/skills/task_submission_abci/skill.yaml
index 91ed3086..cf2e33ba 100644
--- a/packages/valory/skills/task_submission_abci/skill.yaml
+++ b/packages/valory/skills/task_submission_abci/skill.yaml
@@ -132,6 +132,11 @@ models:
       task_wait_timeout: 15
       use_termination: false
       validate_timeout: 1205
+      use_slashing: false
+      slash_cooldown_hours: 3
+      slash_threshold_amount: 10000000000000000
+      light_slash_unit_amount: 5000000000000000
+      serious_slash_unit_amount: 8000000000000000
     class_name: Params
   requests:
     args: {}