diff --git a/x/mint/expected/keeper.go b/x/mint/expected/keeper.go
new file mode 100644
index 00000000..dd15ec80
--- /dev/null
+++ b/x/mint/expected/keeper.go
@@ -0,0 +1,11 @@
+package expected
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
+)
+
+type MintKeeper interface {
+	GetParams(ctx sdk.Context) minttypes.Params
+	SetParams(ctx sdk.Context, params minttypes.Params)
+}
diff --git a/x/mint/keeper/alias.go b/x/mint/keeper/alias.go
new file mode 100644
index 00000000..4514a38f
--- /dev/null
+++ b/x/mint/keeper/alias.go
@@ -0,0 +1,14 @@
+package keeper
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
+)
+
+func (k *Keeper) GetParams(ctx sdk.Context) minttypes.Params {
+	return k.mint.GetParams(ctx)
+}
+
+func (k *Keeper) SetParams(ctx sdk.Context, params minttypes.Params) {
+	k.mint.SetParams(ctx, params)
+}
diff --git a/x/mint/keeper/inflation.go b/x/mint/keeper/inflation.go
new file mode 100644
index 00000000..b0651108
--- /dev/null
+++ b/x/mint/keeper/inflation.go
@@ -0,0 +1,83 @@
+package keeper
+
+import (
+	"time"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	hubtypes "github.com/sentinel-official/hub/types"
+	"github.com/sentinel-official/hub/x/mint/types"
+)
+
+func (k *Keeper) SetInflation(ctx sdk.Context, inflation types.Inflation) {
+	var (
+		store = k.Store(ctx)
+		key   = types.InflationKey(inflation.Timestamp)
+		value = k.cdc.MustMarshalBinaryBare(&inflation)
+	)
+
+	store.Set(key, value)
+}
+
+func (k *Keeper) GetInflation(ctx sdk.Context, timestamp time.Time) (inflation types.Inflation, found bool) {
+	var (
+		store = k.Store(ctx)
+		key   = types.InflationKey(timestamp)
+		value = store.Get(key)
+	)
+
+	if value == nil {
+		return inflation, false
+	}
+
+	k.cdc.MustUnmarshalBinaryBare(value, &inflation)
+	return inflation, true
+}
+
+func (k *Keeper) DeleteInflation(ctx sdk.Context, timestamp time.Time) {
+	var (
+		store = k.Store(ctx)
+		key   = types.InflationKey(timestamp)
+	)
+
+	store.Delete(key)
+}
+
+func (k *Keeper) GetInflations(ctx sdk.Context, skip, limit int64) (items []types.Inflation) {
+	var (
+		store = k.Store(ctx)
+		iter  = hubtypes.NewPaginatedIterator(
+			sdk.KVStorePrefixIterator(store, types.InflationKeyPrefix),
+		)
+	)
+
+	defer iter.Close()
+
+	iter.Skip(skip)
+	iter.Limit(limit, func(iter sdk.Iterator) {
+		var item types.Inflation
+		k.cdc.MustUnmarshalBinaryBare(iter.Value(), &item)
+		items = append(items, item)
+	})
+
+	return items
+}
+
+func (k *Keeper) IterateInflations(ctx sdk.Context, fn func(index int, item types.Inflation) (stop bool)) {
+	var (
+		store = k.Store(ctx)
+		iter  = sdk.KVStorePrefixIterator(store, types.InflationKeyPrefix)
+	)
+
+	defer iter.Close()
+
+	for i := 0; iter.Valid(); iter.Next() {
+		var item types.Inflation
+		k.cdc.MustUnmarshalBinaryBare(iter.Value(), &item)
+
+		if stop := fn(i, item); stop {
+			break
+		}
+		i++
+	}
+}
diff --git a/x/mint/keeper/keeper.go b/x/mint/keeper/keeper.go
new file mode 100644
index 00000000..a7e84aee
--- /dev/null
+++ b/x/mint/keeper/keeper.go
@@ -0,0 +1,32 @@
+package keeper
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/tendermint/tendermint/libs/log"
+
+	"github.com/sentinel-official/hub/x/mint/expected"
+	"github.com/sentinel-official/hub/x/mint/types"
+)
+
+type Keeper struct {
+	cdc  codec.BinaryMarshaler
+	key  sdk.StoreKey
+	mint expected.MintKeeper
+}
+
+func NewKeeper(cdc codec.BinaryMarshaler, key sdk.StoreKey, mint expected.MintKeeper) Keeper {
+	return Keeper{
+		cdc:  cdc,
+		key:  key,
+		mint: mint,
+	}
+}
+
+func (k *Keeper) Logger(ctx sdk.Context) log.Logger {
+	return ctx.Logger().With("module", "x/"+types.ModuleName)
+}
+
+func (k *Keeper) Store(ctx sdk.Context) sdk.KVStore {
+	return ctx.KVStore(k.key)
+}