diff --git a/app/keepers/keepers.go b/app/keepers/keepers.go
index 07ab0dbb0..4a9c5d0f9 100644
--- a/app/keepers/keepers.go
+++ b/app/keepers/keepers.go
@@ -100,8 +100,6 @@ import (
 	ibc_hooks "github.com/notional-labs/composable/v6/x/ibc-hooks"
 	ibchookskeeper "github.com/notional-labs/composable/v6/x/ibc-hooks/keeper"
 	ibchookstypes "github.com/notional-labs/composable/v6/x/ibc-hooks/types"
-
-	customstakingtypes "github.com/notional-labs/composable/v6/custom/staking/types"
 )
 
 const (
@@ -187,15 +185,15 @@ func (appKeepers *AppKeepers) InitNormalKeepers(
 		appCodec, appKeepers.keys[stakingtypes.StoreKey], appKeepers.AccountKeeper, appKeepers.BankKeeper, authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 
-	appKeepers.CustomStakingKeeper = customstaking.NewBaseKeeper2(
-		appCodec, appKeepers.keys[customstakingtypes.StoreKey], *appKeepers.StakingKeeper, appKeepers.AccountKeeper, authtypes.NewModuleAddress(govtypes.ModuleName).String(),
-	)
-
 	appKeepers.MintKeeper = mintkeeper.NewKeeper(
 		appCodec, appKeepers.keys[minttypes.StoreKey], appKeepers.StakingKeeper,
 		appKeepers.AccountKeeper, appKeepers.BankKeeper, authtypes.FeeCollectorName, authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 	)
 
+	appKeepers.CustomStakingKeeper = customstaking.NewKeeper(
+		appCodec /*appKeepers.keys[stakingtypes.StoreKey],*/, *appKeepers.StakingKeeper, appKeepers.AccountKeeper, &appKeepers.MintKeeper, authtypes.NewModuleAddress(govtypes.ModuleName).String(),
+	)
+
 	appKeepers.DistrKeeper = distrkeeper.NewKeeper(
 		appCodec, appKeepers.keys[distrtypes.StoreKey], appKeepers.AccountKeeper, appKeepers.BankKeeper,
 		appKeepers.StakingKeeper, authtypes.FeeCollectorName, authtypes.NewModuleAddress(govtypes.ModuleName).String(),
diff --git a/app/keepers/keys.go b/app/keepers/keys.go
index 5151ca7a2..464b3dcc0 100644
--- a/app/keepers/keys.go
+++ b/app/keepers/keys.go
@@ -41,8 +41,7 @@ import (
 
 	"github.com/CosmWasm/wasmd/x/wasm"
 	wasm08types "github.com/cosmos/ibc-go/v7/modules/light-clients/08-wasm/types"
-
-	customstakingtypes "github.com/notional-labs/composable/v6/custom/staking/types"
+	// customstakingtypes "github.com/notional-labs/composable/v6/custom/staking/types"
 )
 
 // GenerateKeys generates new keys (KV Store, Transient store, and memory store).
@@ -54,7 +53,7 @@ func (appKeepers *AppKeepers) GenerateKeys() {
 		govtypes.StoreKey, paramstypes.StoreKey, ibchost.StoreKey, upgradetypes.StoreKey, feegrant.StoreKey,
 		evidencetypes.StoreKey, ibctransfertypes.StoreKey, icqtypes.StoreKey, capabilitytypes.StoreKey, consensusparamtypes.StoreKey, wasm08types.StoreKey,
 		crisistypes.StoreKey, routertypes.StoreKey, transfermiddlewaretypes.StoreKey, group.StoreKey, minttypes.StoreKey, wasm.StoreKey, ibchookstypes.StoreKey, icahosttypes.StoreKey, ratelimitmoduletypes.StoreKey, txBoundaryTypes.StoreKey,
-		authzkeeper.StoreKey, customstakingtypes.StoreKey,
+		authzkeeper.StoreKey, /*customstakingtypes.StoreKey,*/
 	)
 
 	// Define transient store keys
diff --git a/custom/staking/keeper/keeper.go b/custom/staking/keeper/keeper.go
index f8235f3d1..33c843e4d 100644
--- a/custom/staking/keeper/keeper.go
+++ b/custom/staking/keeper/keeper.go
@@ -2,25 +2,20 @@ package keeper
 
 import (
 	"github.com/cosmos/cosmos-sdk/codec"
-	storetypes "github.com/cosmos/cosmos-sdk/store/types"
-	sdk "github.com/cosmos/cosmos-sdk/types"
 	accountkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
-	"github.com/cosmos/cosmos-sdk/x/staking/types"
 
-	customstakingtypes "github.com/notional-labs/composable/v6/custom/staking/types"
+	mintkeeper "github.com/notional-labs/composable/v6/x/mint/keeper"
 )
 
 type Keeper struct {
 	stakingkeeper.Keeper
-	cdc       codec.BinaryCodec
-	storeKey  storetypes.StoreKey
-	acck      accountkeeper.AccountKeeper
-	authority string
+	cdc        codec.BinaryCodec
+	acck       accountkeeper.AccountKeeper
+	mintkeeper *mintkeeper.Keeper
+	authority  string
 }
 
-var _ stakingkeeper.Keeper = stakingkeeper.Keeper{} //???
-
 // func NewBaseKeeper(
 // 	cdc codec.BinaryCodec,
 // 	key storetypes.StoreKey,
@@ -36,17 +31,19 @@ var _ stakingkeeper.Keeper = stakingkeeper.Keeper{} //???
 // 	return keeper
 // }
 
-func NewBaseKeeper2(
+func NewKeeper(
 	cdc codec.BinaryCodec,
-	keys storetypes.StoreKey,
 	staking stakingkeeper.Keeper,
 	acck accountkeeper.AccountKeeper,
+	mintkeeper *mintkeeper.Keeper,
 	authority string,
 ) Keeper {
 	keeper := Keeper{
-		Keeper:    staking,
-		acck:      acck,
-		authority: authority,
+		Keeper:     staking,
+		acck:       acck,
+		authority:  authority,
+		mintkeeper: mintkeeper,
+		cdc:        cdc,
 	}
 	return keeper
 }
@@ -55,10 +52,10 @@ func NewBaseKeeper2(
 // 	k.acck = sk
 // }
 
-func (k Keeper) StoreDelegation(ctx sdk.Context, delegation types.Delegation) {
-	delegatorAddress := sdk.MustAccAddressFromBech32(delegation.DelegatorAddress)
+// func (k Keeper) StoreDelegation(ctx sdk.Context, delegation types.Delegation) {
+// 	delegatorAddress := sdk.MustAccAddressFromBech32(delegation.DelegatorAddress)
 
-	store := ctx.KVStore(k.storeKey)
-	b := types.MustMarshalDelegation(k.cdc, delegation)
-	store.Set(customstakingtypes.GetDelegationKey(delegatorAddress, delegation.GetValidatorAddr()), b)
-}
+// 	store := ctx.KVStore(k.storeKey)
+// 	b := types.MustMarshalDelegation(k.cdc, delegation)
+// 	store.Set(customstakingtypes.GetDelegationKey(delegatorAddress, delegation.GetValidatorAddr()), b)
+// }
diff --git a/custom/staking/keeper/msg_server.go b/custom/staking/keeper/msg_server.go
index 059076959..d3ba7396a 100644
--- a/custom/staking/keeper/msg_server.go
+++ b/custom/staking/keeper/msg_server.go
@@ -3,8 +3,8 @@ package keeper
 import (
 	"context"
 
+	"cosmossdk.io/math"
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
 	"github.com/cosmos/cosmos-sdk/x/staking/types"
 )
@@ -16,8 +16,8 @@ type msgServer struct {
 
 var _ types.MsgServer = msgServer{}
 
-func NewMsgServerImpl(stakingKeeper stakingkeeper.Keeper) types.MsgServer {
-	return &msgServer{msgServer: stakingkeeper.NewMsgServerImpl(&stakingKeeper)}
+func NewMsgServerImpl(stakingKeeper stakingkeeper.Keeper, customstakingkeeper Keeper) types.MsgServer {
+	return &msgServer{Keeper: customstakingkeeper, msgServer: stakingkeeper.NewMsgServerImpl(&stakingKeeper)}
 }
 
 func (k msgServer) CreateValidator(goCtx context.Context, msg *types.MsgCreateValidator) (*types.MsgCreateValidatorResponse, error) {
@@ -32,19 +32,19 @@ func (k msgServer) Delegate(goCtx context.Context, msg *types.MsgDelegate) (*typ
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
-	bondDenom := k.BondDenom(ctx)
-	if msg.Amount.Denom != bondDenom {
-		return nil, sdkerrors.Wrapf(
-			sdkerrors.ErrInvalidRequest, "invalid coin denomination: got %s, expected %s", msg.Amount.Denom, bondDenom,
-		)
-	}
-
-	delegation := types.Delegation{
-		DelegatorAddress: msg.DelegatorAddress,
-		ValidatorAddress: msg.ValidatorAddress,
-		Shares:           msg.Amount.Amount.ToLegacyDec(),
-	}
-	k.StoreDelegation(ctx, delegation)
+	// bondDenom := k.BondDenom(ctx)
+	// if msg.Amount.Denom != bondDenom {
+	// 	return nil, sdkerrors.Wrapf(
+	// 		sdkerrors.ErrInvalidRequest, "invalid coin denomination: got %s, expected %s", msg.Amount.Denom, bondDenom,
+	// 	)
+	// }
+
+	// delegation := types.Delegation{
+	// 	DelegatorAddress: msg.DelegatorAddress,
+	// 	ValidatorAddress: msg.ValidatorAddress,
+	// 	Shares:           msg.Amount.Amount.ToLegacyDec(),
+	// }
+	k.mintkeeper.SetLastTotalPower(ctx, math.Int{})
 
 	return &types.MsgDelegateResponse{}, nil
 	// return nil, fmt.Errorf("My custom error: Nikita")
diff --git a/custom/staking/module.go b/custom/staking/module.go
index 5697a6a58..6f982554b 100644
--- a/custom/staking/module.go
+++ b/custom/staking/module.go
@@ -37,7 +37,7 @@ func NewAppModule(cdc codec.Codec, keeper customstakingkeeper.Keeper, accountKee
 // when trying to force this custom keeper into a bankkeeper.BaseKeeper
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	// types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(&am.keeper))
-	types.RegisterMsgServer(cfg.MsgServer(), customstakingkeeper.NewMsgServerImpl(am.keeper.Keeper))
+	types.RegisterMsgServer(cfg.MsgServer(), customstakingkeeper.NewMsgServerImpl(am.keeper.Keeper, am.keeper))
 	querier := keeper.Querier{Keeper: &am.keeper.Keeper}
 	types.RegisterQueryServer(cfg.QueryServer(), querier)
 
diff --git a/custom/staking/types/keeper_interfaces.go b/custom/staking/types/keeper_interfaces.go
new file mode 100644
index 000000000..0907289a7
--- /dev/null
+++ b/custom/staking/types/keeper_interfaces.go
@@ -0,0 +1,10 @@
+package types
+
+import (
+	"cosmossdk.io/math"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+type MintKeeper interface {
+	SetLastTotalPower(ctx sdk.Context, power math.Int)
+}
diff --git a/custom/staking/types/keys.go b/custom/staking/types/keys.go
deleted file mode 100644
index 507171b5b..000000000
--- a/custom/staking/types/keys.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package types
-
-import (
-	sdk "github.com/cosmos/cosmos-sdk/types"
-	"github.com/cosmos/cosmos-sdk/types/address"
-)
-
-// MinterKey is the key to use for the keeper store.
-var (
-	DelegationKey = []byte{0x37} // key for a delegation
-)
-
-const (
-	// module name
-	ModuleName = "customstaking"
-
-	// StoreKey is the default store key for mint
-	StoreKey = ModuleName
-
-	// QuerierRoute is the querier route for the minting store.
-	QuerierRoute = StoreKey
-
-	// // Query endpoints supported by the minting querier
-	// QueryParameters       = "parameters"
-	// QueryInflation        = "inflation"
-	// QueryAnnualProvisions = "annual_provisions"
-)
-
-var ()
-
-// GetDelegationKey creates the key for delegator bond with validator
-// VALUE: staking/Delegation
-func GetDelegationKey(delAddr sdk.AccAddress, valAddr sdk.ValAddress) []byte {
-	return append(GetDelegationsKey(delAddr), address.MustLengthPrefix(valAddr)...)
-}
-
-func GetDelegationsKey(delAddr sdk.AccAddress) []byte {
-	return append(DelegationKey, address.MustLengthPrefix(delAddr)...)
-}
diff --git a/go.mod b/go.mod
index 622f00df1..3a2ff703b 100644
--- a/go.mod
+++ b/go.mod
@@ -304,8 +304,8 @@ require (
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
 	github.com/tendermint/go-amino v0.16.0 // indirect
 	github.com/tidwall/btree v1.6.0 // indirect
-	github.com/zondax/hid v0.9.1 // indirect
-	github.com/zondax/ledger-go v0.14.1 // indirect
+	github.com/zondax/hid v0.9.2 // indirect
+	github.com/zondax/ledger-go v0.14.3 // indirect
 	go.etcd.io/bbolt v1.3.7 // indirect
 	golang.org/x/crypto v0.11.0 // indirect
 	golang.org/x/exp v0.0.0-20230711153332-06a737ee72cb // indirect
@@ -331,6 +331,9 @@ replace (
 	// ibc-go with wasm client
 	github.com/cosmos/ibc-go/v7 => github.com/notional-labs/ibc-go/v7 v7.2.1-0.20231010040541-6cf43006971f
 
+	github.com/cosmos/ledger-cosmos-go => github.com/cosmos/ledger-cosmos-go v0.12.4
+
 	github.com/syndtr/goleveldb => github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
 	github.com/terra-money/alliance => github.com/notional-labs/alliance v1.0.1-0.20231106184124-5cc1ff759647
+	github.com/zondax/ledger-go => github.com/zondax/ledger-go v0.14.3
 )
diff --git a/go.sum b/go.sum
index 214a6f8a1..d108453da 100644
--- a/go.sum
+++ b/go.sum
@@ -387,8 +387,8 @@ github.com/cosmos/ics23/go v0.10.0 h1:iXqLLgp2Lp+EdpIuwXTYIQU+AiHj9mOC2X9ab++bZD
 github.com/cosmos/ics23/go v0.10.0/go.mod h1:ZfJSmng/TBNTBkFemHHHj5YY7VAU/MBU980F4VU1NG0=
 github.com/cosmos/keyring v1.1.7-0.20210622111912-ef00f8ac3d76 h1:DdzS1m6o/pCqeZ8VOAit/gyATedRgjvkVI+UCrLpyuU=
 github.com/cosmos/keyring v1.1.7-0.20210622111912-ef00f8ac3d76/go.mod h1:0mkLWIoZuQ7uBoospo5Q9zIpqq6rYCPJDSUdeCJvPM8=
-github.com/cosmos/ledger-cosmos-go v0.12.2 h1:/XYaBlE2BJxtvpkHiBm97gFGSGmYGKunKyF3nNqAXZA=
-github.com/cosmos/ledger-cosmos-go v0.12.2/go.mod h1:ZcqYgnfNJ6lAXe4HPtWgarNEY+B74i+2/8MhZw4ziiI=
+github.com/cosmos/ledger-cosmos-go v0.12.4 h1:drvWt+GJP7Aiw550yeb3ON/zsrgW0jgh5saFCr7pDnw=
+github.com/cosmos/ledger-cosmos-go v0.12.4/go.mod h1:fjfVWRf++Xkygt9wzCsjEBdjcf7wiiY35fv3ctT+k4M=
 github.com/cosmos/rosetta-sdk-go v0.10.0 h1:E5RhTruuoA7KTIXUcMicL76cffyeoyvNybzUGSKFTcM=
 github.com/cosmos/rosetta-sdk-go v0.10.0/go.mod h1:SImAZkb96YbwvoRkzSMQB6noNJXFgWl/ENIznEoYQI4=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
@@ -1257,10 +1257,10 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-github.com/zondax/hid v0.9.1 h1:gQe66rtmyZ8VeGFcOpbuH3r7erYtNEAezCAYu8LdkJo=
-github.com/zondax/hid v0.9.1/go.mod h1:l5wttcP0jwtdLjqjMMWFVEE7d1zO0jvSPA9OPZxWpEM=
-github.com/zondax/ledger-go v0.14.1 h1:Pip65OOl4iJ84WTpA4BKChvOufMhhbxED3BaihoZN4c=
-github.com/zondax/ledger-go v0.14.1/go.mod h1:fZ3Dqg6qcdXWSOJFKMG8GCTnD7slO/RL2feOQv8K320=
+github.com/zondax/hid v0.9.2 h1:WCJFnEDMiqGF64nlZz28E9qLVZ0KSJ7xpc5DLEyma2U=
+github.com/zondax/hid v0.9.2/go.mod h1:l5wttcP0jwtdLjqjMMWFVEE7d1zO0jvSPA9OPZxWpEM=
+github.com/zondax/ledger-go v0.14.3 h1:wEpJt2CEcBJ428md/5MgSLsXLBos98sBOyxNmCjfUCw=
+github.com/zondax/ledger-go v0.14.3/go.mod h1:IKKaoxupuB43g4NxeQmbLXv7T9AlQyie1UpHb342ycI=
 gitlab.com/bosi/decorder v0.2.3 h1:gX4/RgK16ijY8V+BRQHAySfQAb354T7/xQpDB2n10P0=
 gitlab.com/bosi/decorder v0.2.3/go.mod h1:9K1RB5+VPNQYtXtTDAzd2OEftsZb1oV0IrJrzChSdGE=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
diff --git a/proto/buf.gen.gogo.yaml b/proto/buf.gen.gogo.yaml
old mode 100644
new mode 100755
diff --git a/proto/buf.yaml b/proto/buf.yaml
old mode 100644
new mode 100755
diff --git a/proto/centauri/mint/v1beta1/genesis.proto b/proto/centauri/mint/v1beta1/genesis.proto
index a30271a06..f984181b3 100644
--- a/proto/centauri/mint/v1beta1/genesis.proto
+++ b/proto/centauri/mint/v1beta1/genesis.proto
@@ -19,4 +19,11 @@ message GenesisState {
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coin",
     (gogoproto.nullable) = false
   ];
+
+  // last_total_power tracks the total amounts of bonded tokens recorded during
+  // the previous end block.
+  bytes last_total_power = 4 [
+    (gogoproto.customtype) = "github.com/cosmos/cosmos-sdk/types.Int",
+    (gogoproto.nullable)   = false
+  ];
 }
diff --git a/x/mint/keeper/keeper.go b/x/mint/keeper/keeper.go
index 70ff6ddf3..0b9d0fa65 100644
--- a/x/mint/keeper/keeper.go
+++ b/x/mint/keeper/keeper.go
@@ -9,6 +9,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 
 	"github.com/notional-labs/composable/v6/x/mint/types"
 )
@@ -153,3 +154,21 @@ func (k Keeper) MintCoins(ctx sdk.Context, newCoins sdk.Coins) error {
 func (k Keeper) AddCollectedFees(ctx sdk.Context, fees sdk.Coins) error {
 	return k.bankKeeper.SendCoinsFromModuleToModule(ctx, types.ModuleName, k.feeCollectorName, fees)
 }
+
+func (k Keeper) StoreDelegation(ctx sdk.Context, delegation stakingtypes.Delegation) {
+	delegatorAddress := sdk.MustAccAddressFromBech32(delegation.DelegatorAddress)
+	log := k.Logger(ctx)
+	log.Info("StoreDelegation", "delegatorAddress", delegatorAddress, "validatorAddress", delegation.GetValidatorAddr())
+	store := ctx.KVStore(k.storeKey)
+	b := stakingtypes.MustMarshalDelegation(k.cdc, delegation)
+	kkk := types.GetDelegationKey(delegatorAddress, delegation.GetValidatorAddr())
+	// log.Info()
+	store.Set(kkk, b)
+}
+
+// SetLastTotalPower Set the last total validator power.
+func (k Keeper) SetLastTotalPower(ctx sdk.Context, power math.Int) {
+	store := ctx.KVStore(k.storeKey)
+	bz := k.cdc.MustMarshal(&sdk.IntProto{Int: power})
+	store.Set(types.DelegationKey, bz)
+}
diff --git a/x/mint/keeper/msg_server.go b/x/mint/keeper/msg_server.go
index 4feafae33..7290c5b8d 100644
--- a/x/mint/keeper/msg_server.go
+++ b/x/mint/keeper/msg_server.go
@@ -4,6 +4,7 @@ import (
 	"context"
 
 	errorsmod "cosmossdk.io/errors"
+	"cosmossdk.io/math"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
@@ -42,6 +43,9 @@ func (ms msgServer) UpdateParams(goCtx context.Context, req *types.MsgUpdatePara
 func (ms msgServer) FundModuleAccount(goCtx context.Context, req *types.MsgFundModuleAccount) (*types.MsgFundModuleAccountResponse, error) {
 	// Unwrap context
 	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	ms.SetLastTotalPower(ctx, math.Int{})
+	return nil, errorsmod.Wrapf(types.ErrInvalidAddress, "Custom error: nikita")
 	// Check sender address
 	sender, err := sdk.AccAddressFromBech32(req.FromAddress)
 	if err != nil {
diff --git a/x/mint/simulation/decoder.go b/x/mint/simulation/decoder.go
index c8128bcfc..2d1ee4a9e 100644
--- a/x/mint/simulation/decoder.go
+++ b/x/mint/simulation/decoder.go
@@ -8,6 +8,8 @@ import (
 	"github.com/cosmos/cosmos-sdk/types/kv"
 
 	"github.com/notional-labs/composable/v6/x/mint/types"
+
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 )
 
 // NewDecodeStore returns a decoder function closure that unmarshals the KVPair's
@@ -23,6 +25,14 @@ func NewDecodeStore(cdc codec.Codec) func(kvA, kvB kv.Pair) string {
 			cdc.MustUnmarshal(kvB.Value, &minterB)
 			return fmt.Sprintf("%v\n%v", minterA, minterB)
 
+		case bytes.Equal(kvA.Key[:1], types.DelegationKey):
+			var delegationA, delegationB stakingtypes.Delegation
+
+			cdc.MustUnmarshal(kvA.Value, &delegationA)
+			cdc.MustUnmarshal(kvB.Value, &delegationB)
+
+			return fmt.Sprintf("%v\n%v", delegationA, delegationB)
+
 		// case bytes.Equal(kvA.Key[:1], types.ParamsKey):
 		// 	var paramsA, paramsB types.Params
 		// 	cdc.MustUnmarshal(kvA.Value, &paramsA)
diff --git a/x/mint/types/genesis.pb.go b/x/mint/types/genesis.pb.go
index 4c2486d24..93b5c6d44 100644
--- a/x/mint/types/genesis.pb.go
+++ b/x/mint/types/genesis.pb.go
@@ -5,6 +5,7 @@ package types
 
 import (
 	fmt "fmt"
+	github_com_cosmos_cosmos_sdk_types "github.com/cosmos/cosmos-sdk/types"
 	types "github.com/cosmos/cosmos-sdk/types"
 	_ "github.com/cosmos/gogoproto/gogoproto"
 	proto "github.com/cosmos/gogoproto/proto"
@@ -31,6 +32,9 @@ type GenesisState struct {
 	// params defines all the paramaters of the module.
 	Params           Params     `protobuf:"bytes,2,opt,name=params,proto3" json:"params"`
 	IncentivesSupply types.Coin `protobuf:"bytes,3,opt,name=incentives_supply,json=incentivesSupply,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coin" json:"incentives_supply"`
+	// last_total_power tracks the total amounts of bonded tokens recorded during
+	// the previous end block.
+	LastTotalPower github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,4,opt,name=last_total_power,json=lastTotalPower,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"last_total_power"`
 }
 
 func (m *GenesisState) Reset()         { *m = GenesisState{} }
@@ -96,26 +100,29 @@ func init() {
 }
 
 var fileDescriptor_dc8b577617211e57 = []byte{
-	// 296 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x90, 0x3f, 0x4e, 0xc3, 0x30,
-	0x14, 0x87, 0xe3, 0x82, 0x3a, 0x84, 0x0e, 0x10, 0x81, 0x14, 0x2a, 0xe1, 0x56, 0x20, 0x01, 0x0b,
-	0xb6, 0x0a, 0x23, 0x5b, 0x18, 0x98, 0x90, 0x50, 0xbb, 0xb1, 0x20, 0x27, 0x58, 0xc1, 0x82, 0xd8,
-	0x56, 0x9e, 0x53, 0xe8, 0xc8, 0x0d, 0x38, 0x07, 0x27, 0xe9, 0xd8, 0x91, 0x09, 0x50, 0x72, 0x11,
-	0x64, 0x3b, 0x2d, 0x4b, 0xc5, 0x64, 0x4b, 0xef, 0xfb, 0x7e, 0xef, 0x4f, 0x78, 0x94, 0x71, 0x69,
-	0x58, 0x55, 0x0a, 0x5a, 0x08, 0x69, 0xe8, 0x74, 0x94, 0x72, 0xc3, 0x46, 0x34, 0xe7, 0x92, 0x83,
-	0x00, 0xa2, 0x4b, 0x65, 0x54, 0xb4, 0xb7, 0x84, 0x88, 0x85, 0x48, 0x0b, 0xf5, 0x77, 0x73, 0x95,
-	0x2b, 0x47, 0x50, 0xfb, 0xf3, 0x70, 0x7f, 0xb8, 0x3e, 0xd1, 0x99, 0x9e, 0xc0, 0x99, 0x82, 0x42,
-	0x01, 0x4d, 0x19, 0xf0, 0x55, 0x3d, 0x53, 0x42, 0xfa, 0xfa, 0xe1, 0x5b, 0x27, 0xec, 0x5d, 0xfb,
-	0x01, 0x26, 0x86, 0x19, 0x1e, 0x5d, 0x86, 0x5d, 0xab, 0xf3, 0x32, 0x46, 0x43, 0x74, 0xba, 0x75,
-	0x7e, 0x40, 0xd6, 0x0e, 0x44, 0x6e, 0x1c, 0x94, 0x6c, 0xce, 0xbf, 0x06, 0xc1, 0xb8, 0x55, 0xac,
-	0xac, 0x59, 0xc9, 0x0a, 0x88, 0x3b, 0xff, 0xca, 0xb7, 0x0e, 0x5a, 0xca, 0x5e, 0x89, 0x5e, 0xc2,
-	0x1d, 0x21, 0x2d, 0x2f, 0xa6, 0x1c, 0xee, 0xa1, 0xd2, 0xfa, 0x79, 0x16, 0x6f, 0xb8, 0x9c, 0x7d,
-	0xe2, 0xd7, 0x20, 0x76, 0x8d, 0x55, 0xca, 0x95, 0x12, 0x32, 0xa1, 0x36, 0xe3, 0xe3, 0x7b, 0x70,
-	0x92, 0x0b, 0xf3, 0x58, 0xa5, 0x24, 0x53, 0x05, 0x6d, 0x77, 0xf6, 0xcf, 0x19, 0x3c, 0x3c, 0x51,
-	0x33, 0xd3, 0x1c, 0x9c, 0x30, 0xde, 0xfe, 0x6b, 0x32, 0x71, 0x3d, 0x92, 0xe3, 0x79, 0x8d, 0xd1,
-	0xa2, 0xc6, 0xe8, 0xa7, 0xc6, 0xe8, 0xbd, 0xc1, 0xc1, 0xa2, 0xc1, 0xc1, 0x67, 0x83, 0x83, 0xbb,
-	0xde, 0xab, 0x3f, 0xac, 0xd3, 0xd3, 0xae, 0x3b, 0xd9, 0xc5, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff,
-	0x7c, 0x38, 0xd2, 0x82, 0xc8, 0x01, 0x00, 0x00,
+	// 340 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x91, 0x41, 0x4b, 0xf3, 0x30,
+	0x18, 0x80, 0xdb, 0x7d, 0x63, 0x87, 0x7e, 0x43, 0x66, 0x51, 0xa8, 0x03, 0xb3, 0xa1, 0x30, 0x77,
+	0x31, 0x61, 0x7a, 0xf4, 0x56, 0x0f, 0xe2, 0x41, 0x18, 0x9b, 0x07, 0xf1, 0x32, 0xd2, 0x1a, 0x6a,
+	0x70, 0x4d, 0x4a, 0xf3, 0x6e, 0x73, 0xff, 0xc2, 0xdf, 0xe1, 0x2f, 0xd9, 0x71, 0x47, 0x51, 0x98,
+	0xb2, 0xfd, 0x11, 0x49, 0xd2, 0xcd, 0xcb, 0x10, 0x4f, 0x2d, 0xe4, 0x79, 0x9e, 0xe4, 0xe5, 0xf5,
+	0x8e, 0x63, 0x26, 0x80, 0x8e, 0x72, 0x4e, 0x52, 0x2e, 0x80, 0x8c, 0x3b, 0x11, 0x03, 0xda, 0x21,
+	0x09, 0x13, 0x4c, 0x71, 0x85, 0xb3, 0x5c, 0x82, 0xf4, 0xf7, 0xd7, 0x10, 0xd6, 0x10, 0x2e, 0xa0,
+	0xfa, 0x5e, 0x22, 0x13, 0x69, 0x08, 0xa2, 0xff, 0x2c, 0x5c, 0x6f, 0x6e, 0x2f, 0x1a, 0xd3, 0x12,
+	0x28, 0x96, 0x2a, 0x95, 0x8a, 0x44, 0x54, 0xb1, 0xcd, 0x79, 0x2c, 0xb9, 0xb0, 0xe7, 0x47, 0x1f,
+	0x25, 0xaf, 0x7a, 0x65, 0x1f, 0xd0, 0x07, 0x0a, 0xcc, 0xbf, 0xf0, 0x2a, 0x5a, 0x67, 0x79, 0xe0,
+	0x36, 0xdd, 0xf6, 0xff, 0xb3, 0x43, 0xbc, 0xf5, 0x41, 0xf8, 0xc6, 0x40, 0x61, 0x79, 0xb6, 0x68,
+	0x38, 0xbd, 0x42, 0xd1, 0x72, 0x46, 0x73, 0x9a, 0xaa, 0xa0, 0xf4, 0xab, 0xdc, 0x35, 0xd0, 0x5a,
+	0xb6, 0x8a, 0x3f, 0xf1, 0x76, 0xb9, 0xd0, 0x3c, 0x1f, 0x33, 0x35, 0x50, 0xa3, 0x2c, 0x1b, 0x4e,
+	0x83, 0x7f, 0xa6, 0x73, 0x80, 0xed, 0x18, 0x58, 0x8f, 0xb1, 0xa9, 0x5c, 0x4a, 0x2e, 0x42, 0xa2,
+	0x1b, 0xaf, 0x9f, 0x8d, 0x93, 0x84, 0xc3, 0xe3, 0x28, 0xc2, 0xb1, 0x4c, 0x49, 0x31, 0xb3, 0xfd,
+	0x9c, 0xaa, 0x87, 0x27, 0x02, 0xd3, 0x8c, 0x29, 0x23, 0xf4, 0x6a, 0x3f, 0x97, 0xf4, 0xcd, 0x1d,
+	0xfe, 0x9d, 0x57, 0x1b, 0x52, 0x05, 0x03, 0x90, 0x40, 0x87, 0x83, 0x4c, 0x4e, 0x58, 0x1e, 0x94,
+	0x9b, 0x6e, 0xbb, 0x1a, 0x62, 0x1d, 0x7f, 0x5f, 0x34, 0x5a, 0x7f, 0x88, 0x5f, 0x0b, 0xe8, 0xed,
+	0xe8, 0xce, 0xad, 0xce, 0x74, 0x75, 0x25, 0x6c, 0xcd, 0x96, 0xc8, 0x9d, 0x2f, 0x91, 0xfb, 0xb5,
+	0x44, 0xee, 0xcb, 0x0a, 0x39, 0xf3, 0x15, 0x72, 0xde, 0x56, 0xc8, 0xb9, 0xaf, 0x3e, 0xdb, 0x95,
+	0x19, 0x37, 0xaa, 0x98, 0x65, 0x9c, 0x7f, 0x07, 0x00, 0x00, 0xff, 0xff, 0x51, 0x7e, 0xb8, 0x8b,
+	0x22, 0x02, 0x00, 0x00,
 }
 
 func (m *GenesisState) Marshal() (dAtA []byte, err error) {
@@ -138,6 +145,16 @@ func (m *GenesisState) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	{
+		size := m.LastTotalPower.Size()
+		i -= size
+		if _, err := m.LastTotalPower.MarshalTo(dAtA[i:]); err != nil {
+			return 0, err
+		}
+		i = encodeVarintGenesis(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0x22
 	{
 		size, err := m.IncentivesSupply.MarshalToSizedBuffer(dAtA[:i])
 		if err != nil {
@@ -194,6 +211,8 @@ func (m *GenesisState) Size() (n int) {
 	n += 1 + l + sovGenesis(uint64(l))
 	l = m.IncentivesSupply.Size()
 	n += 1 + l + sovGenesis(uint64(l))
+	l = m.LastTotalPower.Size()
+	n += 1 + l + sovGenesis(uint64(l))
 	return n
 }
 
@@ -331,6 +350,39 @@ func (m *GenesisState) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LastTotalPower", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenesis
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGenesis
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.LastTotalPower.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenesis(dAtA[iNdEx:])
diff --git a/x/mint/types/keys.go b/x/mint/types/keys.go
index 4878b55d8..de93188e0 100644
--- a/x/mint/types/keys.go
+++ b/x/mint/types/keys.go
@@ -1,9 +1,15 @@
 package types
 
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/address"
+)
+
 // MinterKey is the key to use for the keeper store.
 var (
 	MinterKey         = []byte{0x00}
 	AllowedAddressKey = []byte{0x01}
+	DelegationKey     = []byte{0x02} // key for a delegation
 )
 
 const (
@@ -25,3 +31,13 @@ const (
 func GetAllowedAddressStoreKey(address string) []byte {
 	return append(AllowedAddressKey, []byte(address)...)
 }
+
+// GetDelegationKey creates the key for delegator bond with validator
+// VALUE: staking/Delegation
+func GetDelegationKey(delAddr sdk.AccAddress, valAddr sdk.ValAddress) []byte {
+	return append(GetDelegationsKey(delAddr), address.MustLengthPrefix(valAddr)...)
+}
+
+func GetDelegationsKey(delAddr sdk.AccAddress) []byte {
+	return append(DelegationKey, address.MustLengthPrefix(delAddr)...)
+}
diff --git a/x/transfermiddleware/types/parachain_token_info.pb.go b/x/transfermiddleware/types/parachain_token_info.pb.go
index c20c80a58..222eee8df 100644
--- a/x/transfermiddleware/types/parachain_token_info.pb.go
+++ b/x/transfermiddleware/types/parachain_token_info.pb.go
@@ -28,7 +28,7 @@ var _ = time.Kitchen
 const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
 
 // ParachainIBCTokenInfo represents information about transferable IBC tokens
-// from Parachain(Substrate based network).
+// from Parachain.
 type ParachainIBCTokenInfo struct {
 	// ibc_denom is the denomination of the ibced token transferred from the
 	// dotsama chain.