diff --git a/core-rust-bridge/src/main/java/com/radixdlt/protocol/ProtocolConfig.java b/core-rust-bridge/src/main/java/com/radixdlt/protocol/ProtocolConfig.java
index 90893680d8..5c834ddd31 100644
--- a/core-rust-bridge/src/main/java/com/radixdlt/protocol/ProtocolConfig.java
+++ b/core-rust-bridge/src/main/java/com/radixdlt/protocol/ProtocolConfig.java
@@ -85,14 +85,16 @@ public record ProtocolConfig(
   public static final String GENESIS_PROTOCOL_VERSION_NAME = "babylon-genesis";
   public static final String ANEMONE_PROTOCOL_VERSION_NAME = "anemone";
   public static final String BOTTLENOSE_PROTOCOL_VERSION_NAME = "bottlenose";
-  public static final String CUTTLEFISH_PROTOCOL_VERSION_NAME = "cuttlefish";
+  public static final String CUTTLEFISH_PART1_PROTOCOL_VERSION_NAME = "cuttlefish";
+  public static final String CUTTLEFISH_PART2_PROTOCOL_VERSION_NAME = "cuttlefish-part2";
 
   public static ImmutableList<String> VERSION_NAMES =
       ImmutableList.of(
           GENESIS_PROTOCOL_VERSION_NAME,
           ANEMONE_PROTOCOL_VERSION_NAME,
           BOTTLENOSE_PROTOCOL_VERSION_NAME,
-          CUTTLEFISH_PROTOCOL_VERSION_NAME);
+          CUTTLEFISH_PART1_PROTOCOL_VERSION_NAME,
+          CUTTLEFISH_PART2_PROTOCOL_VERSION_NAME);
 
   public static final String LATEST_PROTOCOL_VERSION_NAME =
       VERSION_NAMES.get(VERSION_NAMES.size() - 1);
diff --git a/core-rust/Cargo.lock b/core-rust/Cargo.lock
index 4bdf25304b..10a73a67c7 100644
--- a/core-rust/Cargo.lock
+++ b/core-rust/Cargo.lock
@@ -1753,7 +1753,7 @@ dependencies = [
 [[package]]
 name = "radix-blueprint-schema-init"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "bitflags 1.3.2",
  "radix-common",
@@ -1764,7 +1764,7 @@ dependencies = [
 [[package]]
 name = "radix-common"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "bech32",
  "blake2",
@@ -1790,7 +1790,7 @@ dependencies = [
 [[package]]
 name = "radix-common-derive"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "paste",
  "proc-macro2",
@@ -1802,7 +1802,7 @@ dependencies = [
 [[package]]
 name = "radix-engine"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "bitflags 1.3.2",
  "colored",
@@ -1833,7 +1833,7 @@ dependencies = [
 [[package]]
 name = "radix-engine-interface"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "bitflags 1.3.2",
  "const-sha1",
@@ -1854,7 +1854,7 @@ dependencies = [
 [[package]]
 name = "radix-engine-profiling"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "fixedstr",
 ]
@@ -1862,7 +1862,7 @@ dependencies = [
 [[package]]
 name = "radix-engine-profiling-derive"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1873,7 +1873,7 @@ dependencies = [
 [[package]]
 name = "radix-engine-toolkit-common"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "radix-common",
  "radix-engine",
@@ -1887,7 +1887,7 @@ dependencies = [
 [[package]]
 name = "radix-native-sdk"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "radix-common",
  "radix-engine-interface",
@@ -1898,7 +1898,7 @@ dependencies = [
 [[package]]
 name = "radix-rust"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "indexmap 2.2.6",
  "serde",
@@ -1907,7 +1907,7 @@ dependencies = [
 [[package]]
 name = "radix-sbor-derive"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1918,7 +1918,7 @@ dependencies = [
 [[package]]
 name = "radix-substate-store-impls"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "hex",
  "itertools",
@@ -1932,7 +1932,7 @@ dependencies = [
 [[package]]
 name = "radix-substate-store-interface"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "hex",
  "itertools",
@@ -1944,7 +1944,7 @@ dependencies = [
 [[package]]
 name = "radix-substate-store-queries"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "hex",
  "itertools",
@@ -1961,7 +1961,7 @@ dependencies = [
 [[package]]
 name = "radix-transaction-scenarios"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "hex",
  "itertools",
@@ -1981,7 +1981,7 @@ dependencies = [
 [[package]]
 name = "radix-transactions"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "annotate-snippets",
  "bech32",
@@ -2154,7 +2154,7 @@ dependencies = [
 [[package]]
 name = "sbor"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "const-sha1",
  "hex",
@@ -2168,7 +2168,7 @@ dependencies = [
 [[package]]
 name = "sbor-derive"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "proc-macro2",
  "sbor-derive-common",
@@ -2178,7 +2178,7 @@ dependencies = [
 [[package]]
 name = "sbor-derive-common"
 version = "1.3.0-dev"
-source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-640cc0f6#640cc0f6cf0dd306c25a74b4244b52e24a121f25"
+source = "git+https://github.com/radixdlt/radixdlt-scrypto?tag=cuttlefish-c3aa4337#c3aa4337b7631b5fb90acef44fa8ffd62bdea821"
 dependencies = [
  "const-sha1",
  "indexmap 2.2.6",
diff --git a/core-rust/Cargo.toml b/core-rust/Cargo.toml
index 6e87403888..d4955f2944 100644
--- a/core-rust/Cargo.toml
+++ b/core-rust/Cargo.toml
@@ -26,18 +26,18 @@ resolver = "2"
 # Then use tag="release_name-BLAH" in the below dependencies.
 # =================================================================
 
-sbor = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6", features = ["serde"] }
-radix-transactions = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-transaction-scenarios = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-common = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6", features = ["serde"] }
-radix-engine-interface = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-engine = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-substate-store-impls = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-substate-store-interface = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-substate-store-queries = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
-radix-rust = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6", features = ["serde"] }
-radix-blueprint-schema-init = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6", features = ["serde"] }
-radix-engine-toolkit-common = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-640cc0f6" }
+sbor = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337", features = ["serde"] }
+radix-transactions = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-transaction-scenarios = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-common = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337", features = ["serde"] }
+radix-engine-interface = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-engine = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-substate-store-impls = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-substate-store-interface = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-substate-store-queries = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
+radix-rust = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337", features = ["serde"] }
+radix-blueprint-schema-init = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337", features = ["serde"] }
+radix-engine-toolkit-common = { git = "https://github.com/radixdlt/radixdlt-scrypto", tag = "cuttlefish-c3aa4337" }
 
 itertools = { version = "=0.10.5" }
 jni = { version = "=0.19.0" }
diff --git a/core-rust/core-api-server/core-api-schema.yaml b/core-rust/core-api-server/core-api-schema.yaml
index 22d6b4c58f..6bfd4b2068 100644
--- a/core-rust/core-api-server/core-api-schema.yaml
+++ b/core-rust/core-api-server/core-api-schema.yaml
@@ -4384,6 +4384,7 @@ components:
       enum:
         - V1
         - V2
+        - V3
     SystemParameters:
       type: object
       required:
diff --git a/core-rust/core-api-server/src/core_api/conversions/substates/boot_loader_module.rs b/core-rust/core-api-server/src/core_api/conversions/substates/boot_loader_module.rs
index 7b73a5941a..db7b067721 100644
--- a/core-rust/core-api-server/src/core_api/conversions/substates/boot_loader_module.rs
+++ b/core-rust/core-api-server/src/core_api/conversions/substates/boot_loader_module.rs
@@ -31,6 +31,7 @@ fn to_api_system_version(system_version: &SystemVersion) -> models::SystemVersio
     match system_version {
         SystemVersion::V1 => models::SystemVersion::V1,
         SystemVersion::V2 => models::SystemVersion::V2,
+        SystemVersion::V3 => models::SystemVersion::V3,
     }
 }
 
diff --git a/core-rust/core-api-server/src/core_api/generated/models/system_version.rs b/core-rust/core-api-server/src/core_api/generated/models/system_version.rs
index a497e754eb..c717c3eb5f 100644
--- a/core-rust/core-api-server/src/core_api/generated/models/system_version.rs
+++ b/core-rust/core-api-server/src/core_api/generated/models/system_version.rs
@@ -17,6 +17,8 @@ pub enum SystemVersion {
     V1,
     #[serde(rename = "V2")]
     V2,
+    #[serde(rename = "V3")]
+    V3,
 
 }
 
@@ -25,6 +27,7 @@ impl ToString for SystemVersion {
         match self {
             Self::V1 => String::from("V1"),
             Self::V2 => String::from("V2"),
+            Self::V3 => String::from("V3"),
         }
     }
 }
diff --git a/core-rust/state-manager/src/protocol/protocol_config.rs b/core-rust/state-manager/src/protocol/protocol_config.rs
index 9295a61a51..282300995a 100644
--- a/core-rust/state-manager/src/protocol/protocol_config.rs
+++ b/core-rust/state-manager/src/protocol/protocol_config.rs
@@ -10,13 +10,15 @@ const MAX_PROTOCOL_VERSION_NAME_LEN: usize = 16;
 const GENESIS_PROTOCOL_VERSION: &str = "babylon-genesis";
 const ANEMONE_PROTOCOL_VERSION: &str = "anemone";
 const BOTTLENOSE_PROTOCOL_VERSION: &str = "bottlenose";
-const CUTTLEFISH_PROTOCOL_VERSION: &str = "cuttlefish";
+const CUTTLEFISH_PART1_PROTOCOL_VERSION: &str = "cuttlefish";
+const CUTTLEFISH_PART2_PROTOCOL_VERSION: &str = "cuttlefish-part2";
 
 pub enum ResolvedProtocolVersion {
     Babylon,
     Anemone,
     Bottlenose,
-    Cuttlefish,
+    CuttlefishPart1,
+    CuttlefishPart2,
     Custom(ProtocolVersionName),
     Test(ProtocolVersionName),
 }
@@ -27,7 +29,8 @@ impl ResolvedProtocolVersion {
             GENESIS_PROTOCOL_VERSION => Some(ResolvedProtocolVersion::Babylon),
             ANEMONE_PROTOCOL_VERSION => Some(ResolvedProtocolVersion::Anemone),
             BOTTLENOSE_PROTOCOL_VERSION => Some(ResolvedProtocolVersion::Bottlenose),
-            CUTTLEFISH_PROTOCOL_VERSION => Some(ResolvedProtocolVersion::Cuttlefish),
+            CUTTLEFISH_PART1_PROTOCOL_VERSION => Some(ResolvedProtocolVersion::CuttlefishPart1),
+            CUTTLEFISH_PART2_PROTOCOL_VERSION => Some(ResolvedProtocolVersion::CuttlefishPart2),
             // Updates starting "custom-" are intended for use with tests, where the thresholds and config are injected on all nodes
             name_string if CustomProtocolUpdateDefinition::matches(name_string) => Some(
                 ResolvedProtocolVersion::Custom(protocol_version_name.clone()),
@@ -45,7 +48,8 @@ impl ResolvedProtocolVersion {
             ResolvedProtocolVersion::Babylon => Some(ProtocolVersion::Babylon),
             ResolvedProtocolVersion::Anemone => Some(ProtocolVersion::Anemone),
             ResolvedProtocolVersion::Bottlenose => Some(ProtocolVersion::Bottlenose),
-            ResolvedProtocolVersion::Cuttlefish => Some(ProtocolVersion::Cuttlefish),
+            ResolvedProtocolVersion::CuttlefishPart1 => Some(ProtocolVersion::CuttlefishPart1),
+            ResolvedProtocolVersion::CuttlefishPart2 => Some(ProtocolVersion::CuttlefishPart2),
             ResolvedProtocolVersion::Custom { .. } => None,
             ResolvedProtocolVersion::Test { .. } => None,
         }
@@ -56,7 +60,12 @@ impl ResolvedProtocolVersion {
             ResolvedProtocolVersion::Babylon => Box::new(BabylonProtocolUpdateDefinition),
             ResolvedProtocolVersion::Anemone => Box::new(AnemoneProtocolUpdateDefinition),
             ResolvedProtocolVersion::Bottlenose => Box::new(BottlenoseProtocolUpdateDefinition),
-            ResolvedProtocolVersion::Cuttlefish => Box::new(CuttlefishProtocolUpdateDefinition),
+            ResolvedProtocolVersion::CuttlefishPart1 => {
+                Box::new(CuttlefishPart1ProtocolUpdateDefinition)
+            }
+            ResolvedProtocolVersion::CuttlefishPart2 => {
+                Box::new(CuttlefishPart2ProtocolUpdateDefinition)
+            }
             ResolvedProtocolVersion::Custom(..) => Box::new(CustomProtocolUpdateDefinition),
             ResolvedProtocolVersion::Test(name) => {
                 Box::new(TestProtocolUpdateDefinition::new(name.clone()))
@@ -179,8 +188,12 @@ impl ProtocolVersionName {
         Self::of(BOTTLENOSE_PROTOCOL_VERSION).unwrap()
     }
 
-    pub fn cuttlefish() -> Self {
-        Self::of(CUTTLEFISH_PROTOCOL_VERSION).unwrap()
+    pub fn cuttlefish_part1() -> Self {
+        Self::of(CUTTLEFISH_PART1_PROTOCOL_VERSION).unwrap()
+    }
+
+    pub fn cuttlefish_part2() -> Self {
+        Self::of(CUTTLEFISH_PART2_PROTOCOL_VERSION).unwrap()
     }
 
     pub fn for_engine(version: ProtocolVersion) -> Self {
@@ -189,7 +202,8 @@ impl ProtocolVersionName {
             ProtocolVersion::Babylon => Self::babylon(),
             ProtocolVersion::Anemone => Self::anemone(),
             ProtocolVersion::Bottlenose => Self::bottlenose(),
-            ProtocolVersion::Cuttlefish => Self::cuttlefish(),
+            ProtocolVersion::CuttlefishPart1 => Self::cuttlefish_part1(),
+            ProtocolVersion::CuttlefishPart2 => Self::cuttlefish_part2(),
         }
     }
 
diff --git a/core-rust/state-manager/src/protocol/protocol_configs/config_printer.rs b/core-rust/state-manager/src/protocol/protocol_configs/config_printer.rs
index 7397386d8d..4a674eba69 100644
--- a/core-rust/state-manager/src/protocol/protocol_configs/config_printer.rs
+++ b/core-rust/state-manager/src/protocol/protocol_configs/config_printer.rs
@@ -19,7 +19,7 @@ use super::*;
 #[test]
 fn print_fixed_config_code() {
     // This is used for stokenet and dumunet
-    let version = ProtocolVersionName::cuttlefish();
+    let version = ProtocolVersionName::cuttlefish_part2();
     let start_epoch = Epoch::of(1);
     let end_epoch = Epoch::of(10000000);
     let thresholds = vec![SignalledReadinessThreshold {
@@ -43,7 +43,7 @@ fn print_calculated_protocol_config_code() {
 
     // See https://learn.radixdlt.com/article/radix-foundation-protocol-update-candidate-policies
     // For guidance on how to set these paramaters
-    let version = ProtocolVersionName::cuttlefish();
+    let version = ProtocolVersionName::cuttlefish_part1();
     let target_start = DateTime::<Utc>::from_str("2024-12-10T16:00:00.000Z").unwrap();
     let enactment_window = Duration::days(10); // Normally set to 28 days, but shorter due to christmas
     let proposed_thresholds = [(dec!(0.75), Duration::days(14))];
diff --git a/core-rust/state-manager/src/protocol/protocol_configs/dumunet_protocol_config.rs b/core-rust/state-manager/src/protocol/protocol_configs/dumunet_protocol_config.rs
index 334639a564..d38a16689e 100644
--- a/core-rust/state-manager/src/protocol/protocol_configs/dumunet_protocol_config.rs
+++ b/core-rust/state-manager/src/protocol/protocol_configs/dumunet_protocol_config.rs
@@ -30,7 +30,7 @@ pub fn dumunet_protocol_config() -> ProtocolConfig {
                 required_consecutive_completed_epochs_of_support: 10,
             }],
         },
-        ProtocolVersionName::cuttlefish() => EnactAtStartOfEpochIfValidatorsReady {
+        ProtocolVersionName::cuttlefish_part1() => EnactAtStartOfEpochIfValidatorsReady {
             // =================================================================
             // PROTOCOL_VERSION: "cuttlefish"
             // READINESS_SIGNAL: "034d3327f58995c6000000cuttlefish"
@@ -44,5 +44,8 @@ pub fn dumunet_protocol_config() -> ProtocolConfig {
                 },
             ],
         },
+        ProtocolVersionName::cuttlefish_part2() => EnactImmediatelyAfterEndOfProtocolUpdate {
+            trigger_after: ProtocolVersionName::cuttlefish_part1(),
+        },
     })
 }
diff --git a/core-rust/state-manager/src/protocol/protocol_configs/mainnet_protocol_config.rs b/core-rust/state-manager/src/protocol/protocol_configs/mainnet_protocol_config.rs
index eec616856b..8d65cc902e 100644
--- a/core-rust/state-manager/src/protocol/protocol_configs/mainnet_protocol_config.rs
+++ b/core-rust/state-manager/src/protocol/protocol_configs/mainnet_protocol_config.rs
@@ -44,7 +44,7 @@ pub fn mainnet_protocol_config() -> ProtocolConfig {
                 },
             ],
         },
-        ProtocolVersionName::cuttlefish() => EnactAtStartOfEpochIfValidatorsReady {
+        ProtocolVersionName::cuttlefish_part1() => EnactAtStartOfEpochIfValidatorsReady {
             // =================================================================
             // PROTOCOL_VERSION: "cuttlefish"
             // READINESS_SIGNAL: "96e00440adafe5e2000000cuttlefish"
@@ -63,5 +63,8 @@ pub fn mainnet_protocol_config() -> ProtocolConfig {
                 },
             ],
         },
+        ProtocolVersionName::cuttlefish_part2() => EnactImmediatelyAfterEndOfProtocolUpdate {
+            trigger_after: ProtocolVersionName::cuttlefish_part1(),
+        },
     })
 }
diff --git a/core-rust/state-manager/src/protocol/protocol_configs/stokenet_protocol_config.rs b/core-rust/state-manager/src/protocol/protocol_configs/stokenet_protocol_config.rs
index e5fe46531e..d399d8c3c3 100644
--- a/core-rust/state-manager/src/protocol/protocol_configs/stokenet_protocol_config.rs
+++ b/core-rust/state-manager/src/protocol/protocol_configs/stokenet_protocol_config.rs
@@ -30,7 +30,7 @@ pub fn stokenet_protocol_config() -> ProtocolConfig {
                 required_consecutive_completed_epochs_of_support: 10,
             }],
         },
-        ProtocolVersionName::cuttlefish() => EnactAtStartOfEpochIfValidatorsReady {
+        ProtocolVersionName::cuttlefish_part1() => EnactAtStartOfEpochIfValidatorsReady {
             // =================================================================
             // PROTOCOL_VERSION: "cuttlefish"
             // READINESS_SIGNAL: "034d3327f58995c6000000cuttlefish"
@@ -44,5 +44,19 @@ pub fn stokenet_protocol_config() -> ProtocolConfig {
                 },
             ],
         },
+        ProtocolVersionName::cuttlefish_part2() => EnactAtStartOfEpochIfValidatorsReady {
+            // =================================================================
+            // PROTOCOL_VERSION: "cuttlefish-part2"
+            // READINESS_SIGNAL: "c0d928cf271e039ecuttlefish-part2"
+            // =================================================================
+            lower_bound_inclusive: Epoch::of(1),
+            upper_bound_exclusive: Epoch::of(10000000),
+            readiness_thresholds: vec![
+                SignalledReadinessThreshold {
+                    required_ratio_of_stake_supported: dec!(0.8),
+                    required_consecutive_completed_epochs_of_support: 10,
+                },
+            ],
+        },
     })
 }
diff --git a/core-rust/state-manager/src/protocol/protocol_configs/testnet_protocol_config.rs b/core-rust/state-manager/src/protocol/protocol_configs/testnet_protocol_config.rs
index 29dac64d91..a5078e7d48 100644
--- a/core-rust/state-manager/src/protocol/protocol_configs/testnet_protocol_config.rs
+++ b/core-rust/state-manager/src/protocol/protocol_configs/testnet_protocol_config.rs
@@ -13,8 +13,11 @@ pub fn testnet_protocol_config() -> ProtocolConfig {
         ProtocolVersionName::bottlenose() => EnactImmediatelyAfterEndOfProtocolUpdate {
             trigger_after: ProtocolVersionName::anemone(),
         },
-        ProtocolVersionName::cuttlefish() => EnactImmediatelyAfterEndOfProtocolUpdate {
+        ProtocolVersionName::cuttlefish_part1() => EnactImmediatelyAfterEndOfProtocolUpdate {
             trigger_after: ProtocolVersionName::bottlenose(),
         },
+        ProtocolVersionName::cuttlefish_part2() => EnactImmediatelyAfterEndOfProtocolUpdate {
+            trigger_after: ProtocolVersionName::cuttlefish_part1(),
+        },
     })
 }
diff --git a/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_definition.rs b/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_part1_definition.rs
similarity index 69%
rename from core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_definition.rs
rename to core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_part1_definition.rs
index 25e1ccb148..e726c8e033 100644
--- a/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_definition.rs
+++ b/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_part1_definition.rs
@@ -1,9 +1,9 @@
 use crate::prelude::*;
 
-pub struct CuttlefishProtocolUpdateDefinition;
+pub struct CuttlefishPart1ProtocolUpdateDefinition;
 
-impl ProtocolUpdateDefinition for CuttlefishProtocolUpdateDefinition {
-    type Overrides = CuttlefishSettings;
+impl ProtocolUpdateDefinition for CuttlefishPart1ProtocolUpdateDefinition {
+    type Overrides = CuttlefishPart1Settings;
 
     fn create_batch_generator(
         &self,
diff --git a/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_part2_definition.rs b/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_part2_definition.rs
new file mode 100644
index 0000000000..ba3ac9f02a
--- /dev/null
+++ b/core-rust/state-manager/src/protocol/protocol_updates/definitions/cuttlefish_part2_definition.rs
@@ -0,0 +1,20 @@
+use crate::prelude::*;
+
+pub struct CuttlefishPart2ProtocolUpdateDefinition;
+
+impl ProtocolUpdateDefinition for CuttlefishPart2ProtocolUpdateDefinition {
+    type Overrides = CuttlefishPart2Settings;
+
+    fn create_batch_generator(
+        &self,
+        context: ProtocolUpdateContext,
+        overrides_hash: Option<Hash>,
+        overrides: Option<Self::Overrides>,
+    ) -> Box<dyn NodeProtocolUpdateGenerator> {
+        Box::new(create_default_generator_with_scenarios(
+            context,
+            overrides_hash,
+            overrides,
+        ))
+    }
+}
diff --git a/core-rust/state-manager/src/protocol/protocol_updates/definitions/mod.rs b/core-rust/state-manager/src/protocol/protocol_updates/definitions/mod.rs
index 7473061385..c518a4f7e3 100644
--- a/core-rust/state-manager/src/protocol/protocol_updates/definitions/mod.rs
+++ b/core-rust/state-manager/src/protocol/protocol_updates/definitions/mod.rs
@@ -2,12 +2,14 @@ mod anemone_definition;
 mod babylon_definition;
 mod bottlenose_definition;
 mod custom_definition;
-mod cuttlefish_definition;
+mod cuttlefish_part1_definition;
+mod cuttlefish_part2_definition;
 mod test_definition;
 
 pub use anemone_definition::*;
 pub use babylon_definition::*;
 pub use bottlenose_definition::*;
 pub use custom_definition::*;
-pub use cuttlefish_definition::*;
+pub use cuttlefish_part1_definition::*;
+pub use cuttlefish_part2_definition::*;
 pub use test_definition::*;
diff --git a/core-rust/state-manager/src/protocol/protocol_updates/protocol_content_overrides.rs b/core-rust/state-manager/src/protocol/protocol_updates/protocol_content_overrides.rs
index 32ec128401..72d38d02ef 100644
--- a/core-rust/state-manager/src/protocol/protocol_updates/protocol_content_overrides.rs
+++ b/core-rust/state-manager/src/protocol/protocol_updates/protocol_content_overrides.rs
@@ -10,7 +10,8 @@ pub struct ProtocolUpdateContentOverrides {
     babylon: Option<Overrides<BabylonProtocolUpdateDefinition>>,
     anemone: Option<Overrides<AnemoneProtocolUpdateDefinition>>,
     bottlenose: Option<Overrides<BottlenoseProtocolUpdateDefinition>>,
-    cuttlefish: Option<Overrides<CuttlefishProtocolUpdateDefinition>>,
+    cuttlefish_part1: Option<Overrides<CuttlefishPart1ProtocolUpdateDefinition>>,
+    cuttlefish_part2: Option<Overrides<CuttlefishPart2ProtocolUpdateDefinition>>,
     custom: HashMap<ProtocolVersionName, Overrides<CustomProtocolUpdateDefinition>>,
 }
 
@@ -37,11 +38,19 @@ impl ProtocolUpdateContentOverrides {
         self
     }
 
-    pub fn with_cuttlefish(
+    pub fn with_cuttlefish_part1(
         mut self,
-        config: Overrides<CuttlefishProtocolUpdateDefinition>,
+        config: Overrides<CuttlefishPart1ProtocolUpdateDefinition>,
     ) -> Self {
-        self.cuttlefish = Some(config);
+        self.cuttlefish_part1 = Some(config);
+        self
+    }
+
+    pub fn with_cuttlefish_part2(
+        mut self,
+        config: Overrides<CuttlefishPart2ProtocolUpdateDefinition>,
+    ) -> Self {
+        self.cuttlefish_part2 = Some(config);
         self
     }
 
@@ -83,9 +92,15 @@ impl From<ProtocolUpdateContentOverrides> for RawProtocolUpdateContentOverrides
                 scrypto_encode(&config).unwrap(),
             );
         }
-        if let Some(config) = value.cuttlefish {
+        if let Some(config) = value.cuttlefish_part1 {
+            map.insert(
+                ProtocolVersionName::cuttlefish_part1(),
+                scrypto_encode(&config).unwrap(),
+            );
+        }
+        if let Some(config) = value.cuttlefish_part2 {
             map.insert(
-                ProtocolVersionName::cuttlefish(),
+                ProtocolVersionName::cuttlefish_part2(),
                 scrypto_encode(&config).unwrap(),
             );
         }
diff --git a/core/src/test-core/java/com/radixdlt/api/core/generated/models/SystemVersion.java b/core/src/test-core/java/com/radixdlt/api/core/generated/models/SystemVersion.java
index b80047f930..2467188a9f 100644
--- a/core/src/test-core/java/com/radixdlt/api/core/generated/models/SystemVersion.java
+++ b/core/src/test-core/java/com/radixdlt/api/core/generated/models/SystemVersion.java
@@ -31,7 +31,9 @@ public enum SystemVersion {
   
   V1("V1"),
   
-  V2("V2");
+  V2("V2"),
+  
+  V3("V3");
 
   private String value;
 
diff --git a/core/src/test/java/com/radixdlt/rev2/protocol/CuttlefishProtocolUpdateTest.java b/core/src/test/java/com/radixdlt/rev2/protocol/CuttlefishProtocolUpdateTest.java
index 276153f9dc..68d2532ca3 100644
--- a/core/src/test/java/com/radixdlt/rev2/protocol/CuttlefishProtocolUpdateTest.java
+++ b/core/src/test/java/com/radixdlt/rev2/protocol/CuttlefishProtocolUpdateTest.java
@@ -88,10 +88,11 @@
 
 public final class CuttlefishProtocolUpdateTest {
   private static final long ENACTMENT_EPOCH = 8;
-  private static final ProtocolConfig IMMEDIATELY_CUTTLEFISH =
-      ProtocolConfig.launchAt(ProtocolConfig.CUTTLEFISH_PROTOCOL_VERSION_NAME);
-  private static final ProtocolConfig CUTTLEFISH_AT_EPOCH =
-      ProtocolConfig.enactAtEpoch(ProtocolConfig.CUTTLEFISH_PROTOCOL_VERSION_NAME, ENACTMENT_EPOCH);
+  private static final ProtocolConfig IMMEDIATELY_CUTTLEFISH_PART2 =
+      ProtocolConfig.launchAt(ProtocolConfig.CUTTLEFISH_PART2_PROTOCOL_VERSION_NAME);
+  private static final ProtocolConfig CUTTLEFISH_PART1_AT_EPOCH =
+      ProtocolConfig.enactAtEpoch(
+          ProtocolConfig.CUTTLEFISH_PART1_PROTOCOL_VERSION_NAME, ENACTMENT_EPOCH);
 
   @Rule public TemporaryFolder folder = new TemporaryFolder();
 
@@ -121,7 +122,7 @@ private DeterministicTest createTest(ProtocolConfig protocolConfig, Module... ex
   @Test
   public void transaction_v2_behaviour_across_cuttlefish() throws ApiException {
     final var coreApiHelper = new CoreApiHelper(Network.INTEGRATIONTESTNET);
-    try (var test = createTest(CUTTLEFISH_AT_EPOCH, coreApiHelper.module())) {
+    try (var test = createTest(CUTTLEFISH_PART1_AT_EPOCH, coreApiHelper.module())) {
       final var stateComputer = test.getInstance(0, RustStateComputer.class);
       test.runUntilState(allAtOrOverEpoch(ENACTMENT_EPOCH - 1));
 
@@ -148,13 +149,13 @@ public void transaction_v2_behaviour_across_cuttlefish() throws ApiException {
 
       // Arrange: Run the protocol update:
       test.runUntilState(
-          allAtExactlyProtocolVersion(ProtocolConfig.CUTTLEFISH_PROTOCOL_VERSION_NAME));
+          allAtExactlyProtocolVersion(ProtocolConfig.CUTTLEFISH_PART1_PROTOCOL_VERSION_NAME));
 
       assertEquals(
-          ProtocolConfig.CUTTLEFISH_PROTOCOL_VERSION_NAME,
+          ProtocolConfig.CUTTLEFISH_PART1_PROTOCOL_VERSION_NAME,
           stateComputer.protocolState().currentProtocolVersion());
       assertEquals(
-          ProtocolConfig.CUTTLEFISH_PROTOCOL_VERSION_NAME,
+          ProtocolConfig.CUTTLEFISH_PART1_PROTOCOL_VERSION_NAME,
           coreApiHelper.getNetworkStatus().getCurrentProtocolVersion());
 
       // Act: Can now submit a new TransactionV2
@@ -189,7 +190,7 @@ public void transaction_v2_behaviour_across_cuttlefish() throws ApiException {
   @Test
   public void protocol_update_process_updates_status_summary() throws ApiException {
     final var coreApiHelper = new CoreApiHelper(Network.INTEGRATIONTESTNET);
-    try (var test = createTest(IMMEDIATELY_CUTTLEFISH, coreApiHelper.module())) {
+    try (var test = createTest(IMMEDIATELY_CUTTLEFISH_PART2, coreApiHelper.module())) {
       test.suppressUnusedWarning();
 
       var latestStateVersion =
@@ -208,7 +209,7 @@ public void protocol_update_process_updates_status_summary() throws ApiException
                   .getNewValue()
                   .getSubstateData();
       assertEquals(
-          ProtocolConfig.CUTTLEFISH_PROTOCOL_VERSION_NAME, latestStatus.getProtocolVersion());
+          ProtocolConfig.CUTTLEFISH_PART2_PROTOCOL_VERSION_NAME, latestStatus.getProtocolVersion());
       assertEquals(ProtocolUpdateStatusType.COMPLETE, latestStatus.getUpdateStatus().getType());
     }
   }
diff --git a/sdk/typescript/lib/generated/models/SystemVersion.ts b/sdk/typescript/lib/generated/models/SystemVersion.ts
index b4505f0219..66c995630d 100644
--- a/sdk/typescript/lib/generated/models/SystemVersion.ts
+++ b/sdk/typescript/lib/generated/models/SystemVersion.ts
@@ -19,7 +19,8 @@
  */
 export const SystemVersion = {
     V1: 'V1',
-    V2: 'V2'
+    V2: 'V2',
+    V3: 'V3'
 } as const;
 export type SystemVersion = typeof SystemVersion[keyof typeof SystemVersion];