diff --git a/.github/workflows/e2e-tests.yaml b/.github/workflows/e2e-tests.yaml
index 38013f66..7e1442c4 100644
--- a/.github/workflows/e2e-tests.yaml
+++ b/.github/workflows/e2e-tests.yaml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Build Docker Image
-        uses: strangelove-ventures/heighliner-build-action@v1.0.2
+        uses: strangelove-ventures/heighliner-build-action@v1.0.3
         with:
           registry: "" # empty registry, image only shared for e2e testing
           tag: local # emulate local environment for consistency in interchaintest cases
diff --git a/app/app.go b/app/app.go
index 01bd4f09..1f58df73 100644
--- a/app/app.go
+++ b/app/app.go
@@ -94,7 +94,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/staking"
 	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
-	"github.com/noble-assets/noble/v6/app/upgrades/krypton"
+	"github.com/noble-assets/noble/v6/app/upgrades/xenon"
 	"github.com/noble-assets/noble/v6/cmd"
 	"github.com/noble-assets/noble/v6/docs"
 	"github.com/noble-assets/noble/v6/x/globalfee"
@@ -116,6 +116,10 @@ import (
 	"github.com/ondoprotocol/usdy-noble/x/aura"
 	aurakeeper "github.com/ondoprotocol/usdy-noble/x/aura/keeper"
 	auratypes "github.com/ondoprotocol/usdy-noble/x/aura/types"
+
+	"github.com/noble-assets/halo/x/halo"
+	halokeeper "github.com/noble-assets/halo/x/halo/keeper"
+	halotypes "github.com/noble-assets/halo/x/halo/types"
 )
 
 const (
@@ -160,6 +164,7 @@ var (
 		paramauthorityibc.AppModuleBasic{},
 		forwarding.AppModuleBasic{},
 		aura.AppModuleBasic{},
+		halo.AppModuleBasic{},
 	)
 
 	// module account permissions
@@ -174,6 +179,7 @@ var (
 		stakingtypes.NotBondedPoolName:         {authtypes.Burner, authtypes.Staking},
 		cctptypes.ModuleName:                   nil,
 		auratypes.ModuleName:                   {authtypes.Burner, authtypes.Minter},
+		halotypes.ModuleName:                   {authtypes.Burner, authtypes.Minter},
 	}
 )
 
@@ -239,6 +245,7 @@ type App struct {
 	CCTPKeeper             *cctpkeeper.Keeper
 	ForwardingKeeper       *forwardingkeeper.Keeper
 	AuraKeeper             *aurakeeper.Keeper
+	HaloKeeper             *halokeeper.Keeper
 
 	// this line is used by starport scaffolding # stargate/app/keeperDeclaration
 
@@ -277,7 +284,7 @@ func New(
 		paramstypes.StoreKey, ibchost.StoreKey, upgradetypes.StoreKey, feegrant.StoreKey, evidencetypes.StoreKey,
 		ibctransfertypes.StoreKey, icahosttypes.StoreKey, capabilitytypes.StoreKey,
 		tokenfactorymoduletypes.StoreKey, fiattokenfactorymoduletypes.StoreKey, packetforwardtypes.StoreKey, stakingtypes.StoreKey,
-		cctptypes.StoreKey, forwardingtypes.StoreKey, auratypes.ModuleName,
+		cctptypes.StoreKey, forwardingtypes.StoreKey, auratypes.ModuleName, halotypes.ModuleName,
 	)
 	tkeys := sdk.NewTransientStoreKeys(
 		paramstypes.TStoreKey,
@@ -340,14 +347,27 @@ func New(
 		"ausdy",
 		nil,
 	)
+
+	app.HaloKeeper = halokeeper.NewKeeper(
+		appCodec,
+		keys[halotypes.ModuleName],
+		"uusyc",
+		"uusdc",
+		app.AccountKeeper,
+		nil,
+	)
+
 	app.BankKeeper = bankkeeper.NewBaseKeeper(
 		appCodec,
 		keys[banktypes.StoreKey],
 		app.AccountKeeper,
 		app.GetSubspace(banktypes.ModuleName),
 		app.BlockedModuleAccountAddrs(),
-	).WithSendCoinsRestriction(app.AuraKeeper.SendRestrictionFn)
+	).
+		WithSendCoinsRestriction(app.AuraKeeper.SendRestrictionFn).
+		WithSendCoinsRestriction(app.HaloKeeper.SendRestrictionFn)
 	app.AuraKeeper.SetBankKeeper(app.BankKeeper)
+	app.HaloKeeper.SetBankKeeper(app.BankKeeper)
 
 	app.StakingKeeper = stakingkeeper.NewKeeper(
 		appCodec,
@@ -564,6 +584,7 @@ func New(
 		cctp.NewAppModule(appCodec, app.AccountKeeper, app.BankKeeper, app.CCTPKeeper),
 		forwarding.NewAppModule(app.ForwardingKeeper),
 		aura.NewAppModule(app.AuraKeeper),
+		halo.NewAppModule(app.HaloKeeper),
 	)
 
 	// During begin block slashing happens after distr.BeginBlocker so that
@@ -597,6 +618,7 @@ func New(
 		cctptypes.ModuleName,
 		forwardingtypes.ModuleName,
 		auratypes.ModuleName,
+		halotypes.ModuleName,
 	)
 
 	app.mm.SetOrderEndBlockers(
@@ -625,6 +647,7 @@ func New(
 		cctptypes.ModuleName,
 		forwardingtypes.ModuleName,
 		auratypes.ModuleName,
+		halotypes.ModuleName,
 	)
 
 	// NOTE: The genutils module must occur after staking so that pools are
@@ -658,6 +681,7 @@ func New(
 		cctptypes.ModuleName,
 		forwardingtypes.ModuleName,
 		auratypes.ModuleName,
+		halotypes.ModuleName,
 
 		// this line is used by starport scaffolding # stargate/app/initGenesis
 	)
@@ -896,11 +920,11 @@ func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino
 
 func (app *App) setupUpgradeHandlers() {
 	app.UpgradeKeeper.SetUpgradeHandler(
-		krypton.UpgradeName,
-		krypton.CreateUpgradeHandler(
+		xenon.UpgradeName,
+		xenon.CreateUpgradeHandler(
 			app.mm,
 			app.configurator,
-			app.AuraKeeper,
+			app.HaloKeeper,
 			app.BankKeeper,
 		),
 	)
@@ -916,8 +940,8 @@ func (app *App) setupUpgradeHandlers() {
 	var storeLoader baseapp.StoreLoader
 
 	switch upgradeInfo.Name {
-	case krypton.UpgradeName:
-		storeLoader = krypton.CreateStoreLoader(upgradeInfo.Height)
+	case xenon.UpgradeName:
+		storeLoader = xenon.CreateStoreLoader(upgradeInfo.Height)
 	}
 
 	if storeLoader != nil {
diff --git a/app/upgrades/krypton/constants.go b/app/upgrades/xenon/constants.go
similarity index 84%
rename from app/upgrades/krypton/constants.go
rename to app/upgrades/xenon/constants.go
index 15bf4ae6..04e1af6d 100644
--- a/app/upgrades/krypton/constants.go
+++ b/app/upgrades/xenon/constants.go
@@ -1,7 +1,7 @@
-package krypton
+package xenon
 
 // UpgradeName is the name of this specific software upgrade used on-chain.
-const UpgradeName = "krypton"
+const UpgradeName = "xenon"
 
 // MainnetChainID is the Chain ID of the Noble mainnet.
 const MainnetChainID = "noble-1"
diff --git a/app/upgrades/krypton/store.go b/app/upgrades/xenon/store.go
similarity index 75%
rename from app/upgrades/krypton/store.go
rename to app/upgrades/xenon/store.go
index c240a481..5c85e163 100644
--- a/app/upgrades/krypton/store.go
+++ b/app/upgrades/xenon/store.go
@@ -1,15 +1,15 @@
-package krypton
+package xenon
 
 import (
 	"github.com/cosmos/cosmos-sdk/baseapp"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
-	auratypes "github.com/ondoprotocol/usdy-noble/x/aura/types"
+	halotypes "github.com/noble-assets/halo/x/halo/types"
 )
 
 func CreateStoreLoader(upgradeHeight int64) baseapp.StoreLoader {
 	storeUpgrades := storetypes.StoreUpgrades{
-		Added: []string{auratypes.ModuleName},
+		Added: []string{halotypes.ModuleName},
 	}
 
 	return upgradetypes.UpgradeStoreLoader(upgradeHeight, &storeUpgrades)
diff --git a/app/upgrades/krypton/upgrade.go b/app/upgrades/xenon/upgrade.go
similarity index 56%
rename from app/upgrades/krypton/upgrade.go
rename to app/upgrades/xenon/upgrade.go
index 88840547..ed33ac63 100644
--- a/app/upgrades/krypton/upgrade.go
+++ b/app/upgrades/xenon/upgrade.go
@@ -1,4 +1,4 @@
-package krypton
+package xenon
 
 import (
 	"fmt"
@@ -8,13 +8,13 @@ import (
 	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
-	aurakeeper "github.com/ondoprotocol/usdy-noble/x/aura/keeper"
+	halokeeper "github.com/noble-assets/halo/x/halo/keeper"
 )
 
 func CreateUpgradeHandler(
 	mm *module.Manager,
 	cfg module.Configurator,
-	auraKeeper *aurakeeper.Keeper,
+	haloKeeper *halokeeper.Keeper,
 	bankKeeper bankkeeper.Keeper,
 ) upgradetypes.UpgradeHandler {
 	return func(ctx sdk.Context, _ upgradetypes.Plan, vm module.VersionMap) (module.VersionMap, error) {
@@ -25,32 +25,34 @@ func CreateUpgradeHandler(
 
 		switch ctx.ChainID() {
 		case TestnetChainID:
-			auraKeeper.SetOwner(ctx, "noble1mxe0zwwdvjvn8dg2hnep55q4fc7sqmpud9qsqn")
-			auraKeeper.SetBlocklistOwner(ctx, "noble1mxe0zwwdvjvn8dg2hnep55q4fc7sqmpud9qsqn")
+			haloKeeper.SetOwner(ctx, "noble1u0nahk4wltsp89tpce4cyayd63a69dhpkfq9wq")
+			haloKeeper.SetAggregatorOwner(ctx, "noble1u0nahk4wltsp89tpce4cyayd63a69dhpkfq9wq")
+			haloKeeper.SetEntitlementsOwner(ctx, "noble1u0nahk4wltsp89tpce4cyayd63a69dhpkfq9wq")
 		case MainnetChainID:
-			auraKeeper.SetOwner(ctx, "noble1t6ypyedl6ggvvlgx3cn6jvy9xpr3p2395m2dg5")
-			auraKeeper.SetBlocklistOwner(ctx, "noble1t6ypyedl6ggvvlgx3cn6jvy9xpr3p2395m2dg5")
+			haloKeeper.SetOwner(ctx, "")             // TODO
+			haloKeeper.SetAggregatorOwner(ctx, "")   // TODO
+			haloKeeper.SetEntitlementsOwner(ctx, "") // TODO
 		default:
 			return vm, fmt.Errorf("%s upgrade not allowed to execute on %s chain", UpgradeName, ctx.ChainID())
 		}
 
 		bankKeeper.SetDenomMetaData(ctx, banktypes.Metadata{
-			Description: "Ondo US Dollar Yield",
+			Description: "Hashnote US Yield Coin",
 			DenomUnits: []*banktypes.DenomUnit{
 				{
-					Denom:    "ausdy",
+					Denom:    "uusyc",
 					Exponent: 0,
-					Aliases:  []string{"attousdy"},
+					Aliases:  []string{"microusyc"},
 				},
 				{
-					Denom:    "usdy",
-					Exponent: 18,
+					Denom:    "usyc",
+					Exponent: 6,
 				},
 			},
-			Base:    "ausdy",
-			Display: "usdy",
-			Name:    "Ondo US Dollar Yield",
-			Symbol:  "USDY",
+			Base:    "uusyc",
+			Display: "usyc",
+			Name:    "Hashnote US Yield Coin",
+			Symbol:  "USYC",
 		})
 
 		return vm, nil
diff --git a/go.mod b/go.mod
index 1b9205b3..382a20ee 100644
--- a/go.mod
+++ b/go.mod
@@ -14,6 +14,7 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/noble-assets/forwarding v1.1.0
+	github.com/noble-assets/halo v1.0.0-alpha.0
 	github.com/ondoprotocol/usdy-noble v1.0.0
 	github.com/rs/zerolog v1.27.0
 	github.com/spf13/cast v1.5.1
diff --git a/go.sum b/go.sum
index 258a3087..13b1cf0d 100644
--- a/go.sum
+++ b/go.sum
@@ -965,6 +965,8 @@ github.com/noble-assets/cosmos-sdk v0.45.16-send-restrictions h1:oQwbCoejkXp2/oz
 github.com/noble-assets/cosmos-sdk v0.45.16-send-restrictions/go.mod h1:bScuNwWAP0TZJpUf+SHXRU3xGoUPp+X9nAzfeIXts40=
 github.com/noble-assets/forwarding v1.1.0 h1:2TXBs2Y9vWqgHyDKtdcHht6i7OT+pLaVHE3bPvfpmJY=
 github.com/noble-assets/forwarding v1.1.0/go.mod h1:o64ZfzCHteRDhOlkpi7GeKAcjlcbWUihC7Y34Er2/3U=
+github.com/noble-assets/halo v1.0.0-alpha.0 h1:i5HBbMVi+GQul/aMxRtfFMfn6B4LKbYj10BFIZ0C3u8=
+github.com/noble-assets/halo v1.0.0-alpha.0/go.mod h1:zWcppKjRH5v0ZTRXPtxEhoO1XRFE7wi5GhxtnGeFy6I=
 github.com/nunnatsa/ginkgolinter v0.14.0 h1:XQPNmw+kZz5cC/HbFK3mQutpjzAQv1dHregRA+4CGGg=
 github.com/nunnatsa/ginkgolinter v0.14.0/go.mod h1:cm2xaqCUCRd7qcP4DqbVvpcyEMkuLM9CF0wY6VASohk=
 github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
diff --git a/interchaintest/upgrade_grand-1_test.go b/interchaintest/upgrade_grand-1_test.go
index a2b7cc82..9619b2e8 100644
--- a/interchaintest/upgrade_grand-1_test.go
+++ b/interchaintest/upgrade_grand-1_test.go
@@ -148,6 +148,11 @@ func TestGrand1ChainUpgrade(t *testing.T) {
 		{
 			// krypton is a major release that introduced the aura module.
 			upgradeName: "krypton",
+			image:       ghcrImage("v5.0.0-rc.0"),
+		},
+		{
+			// xenon is a major release that introduced the halo module.
+			upgradeName: "xenon",
 			image:       nobleImageInfo[0],
 		},
 	}
diff --git a/interchaintest/upgrade_noble-1_test.go b/interchaintest/upgrade_noble-1_test.go
index 29c44cdd..9332b08a 100644
--- a/interchaintest/upgrade_noble-1_test.go
+++ b/interchaintest/upgrade_noble-1_test.go
@@ -135,6 +135,11 @@ func TestNoble1ChainUpgrade(t *testing.T) {
 		{
 			// krypton is a major release that introduced the aura module.
 			upgradeName: "krypton",
+			image:       ghcrImage("v5.0.0"),
+		},
+		{
+			// xenon is a major release that introduced the halo module.
+			upgradeName: "xenon",
 			image:       nobleImageInfo[0],
 		},
 	}