diff --git a/hathor/conf/testnet.py b/hathor/conf/testnet.py
index f88a64abd..b79ac6fe4 100644
--- a/hathor/conf/testnet.py
+++ b/hathor/conf/testnet.py
@@ -14,6 +14,8 @@
 
 from hathor.checkpoint import Checkpoint as cp
 from hathor.conf.settings import HathorSettings
+from hathor.feature_activation.feature import Feature
+from hathor.feature_activation.model.criteria import Criteria
 from hathor.feature_activation.settings import Settings as FeatureActivationSettings
 
 SETTINGS = HathorSettings(
@@ -54,6 +56,35 @@
     ],
     FEATURE_ACTIVATION=FeatureActivationSettings(
         enable_usage=True,
-        default_threshold=30240
+        default_threshold=30240,
+        features={
+            Feature.NOP_FEATURE_1: Criteria(
+              bit=0,
+              start_height=3_144_960,  # N (right now the best block is 3093551 on testnet)
+              timeout_height=3_225_600,  # N + 2 * 40320 (4 weeks after the start)
+              minimum_activation_height=3_265_920,  # N + 3 * 40320 (6 weeks after the start)
+              lock_in_on_timeout=False,
+              version='0.56.0',
+              signal_support_by_default=True
+            ),
+            Feature.NOP_FEATURE_2: Criteria(
+              bit=1,
+              start_height=3_144_960,  # N (right now the best block is 3093551 on testnet)
+              timeout_height=3_225_600,  # N + 2 * 40320 (4 weeks after the start)
+              minimum_activation_height=0,
+              lock_in_on_timeout=True,
+              version='0.56.0',
+              signal_support_by_default=False
+            ),
+            Feature.NOP_FEATURE_3: Criteria(
+              bit=2,
+              start_height=3_144_960,  # N (right now the best block is 3093551 on testnet)
+              timeout_height=3_225_600,  # N + 2 * 40320 (4 weeks after the start)
+              minimum_activation_height=0,
+              lock_in_on_timeout=False,
+              version='0.56.0',
+              signal_support_by_default=False
+            )
+        }
     )
 )
diff --git a/hathor/conf/testnet.yml b/hathor/conf/testnet.yml
index 3f6658a07..81eaf1c58 100644
--- a/hathor/conf/testnet.yml
+++ b/hathor/conf/testnet.yml
@@ -38,4 +38,31 @@ CHECKPOINTS:
 
 FEATURE_ACTIVATION:
   enable_usage: true
-  default_threshold: 30240 # 30240 = 75% of evaluation_interval (40320)
+  default_threshold: 30_240 # 30240 = 75% of evaluation_interval (40320)
+  features:
+    NOP_FEATURE_1:
+      bit: 0
+      start_height: 3_144_960 # N (right now the best block is 3093551 on testnet)
+      timeout_height: 3_225_600 # N + 2 * 40320 (4 weeks after the start)
+      minimum_activation_height: 3_265_920 # N + 3 * 40320 (6 weeks after the start)
+      lock_in_on_timeout: false
+      version: 0.56.0
+      signal_support_by_default: true
+
+    NOP_FEATURE_2:
+      bit: 1
+      start_height: 3_144_960 # N (right now the best block is 3093551 on testnet)
+      timeout_height: 3_225_600 # N + 2 * 40320 (4 weeks after the start)
+      minimum_activation_height: 0
+      lock_in_on_timeout: true
+      version: 0.56.0
+      signal_support_by_default: false
+
+    NOP_FEATURE_3:
+      bit: 2
+      start_height: 3_144_960 # N (right now the best block is 3093551 on testnet)
+      timeout_height: 3_225_600 # N + 2 * 40320 (4 weeks after the start)
+      minimum_activation_height: 0
+      lock_in_on_timeout: false
+      version: 0.56.0
+      signal_support_by_default: false