diff --git a/node/node.go b/node/node.go
index 608df5b90..466c9cfdb 100644
--- a/node/node.go
+++ b/node/node.go
@@ -59,13 +59,13 @@ func NewNode(genDoc *genesis.Genesis, conf *config.Config,
 		eventCh = nil
 	}
 
-	txPool := txpool.NewTxPool(conf.TxPool, messageCh)
-
 	str, err := store.NewStore(conf.Store)
 	if err != nil {
 		return nil, err
 	}
 
+	txPool := txpool.NewTxPool(conf.TxPool, str, messageCh)
+
 	st, err := state.LoadOrNewState(genDoc, valKeys, str, txPool, eventCh)
 	if err != nil {
 		return nil, err
diff --git a/state/state.go b/state/state.go
index 1b1906906..bdb4046f6 100644
--- a/state/state.go
+++ b/state/state.go
@@ -325,7 +325,6 @@ func (st *state) ProposeBlock(valKey *bls.ValidatorKey, rewardAddr crypto.Addres
 		// Only one subsidy transaction per blk
 		if txs[i].IsSubsidyTx() {
 			st.logger.Error("found duplicated subsidy transaction", "tx", txs[i])
-			st.txPool.RemoveTx(txs[i].ID())
 			txs.Remove(i)
 			i--
 
@@ -434,15 +433,15 @@ func (st *state) CommitBlock(blk *block.Block, cert *certificate.BlockCertificat
 
 	st.store.SaveBlock(blk, cert)
 
-	// Remove transactions from pool
-	for _, trx := range blk.Transactions() {
-		st.txPool.RemoveTx(trx.ID())
-	}
-
 	if err := st.store.WriteBatch(); err != nil {
 		st.logger.Panic("unable to update state", "error", err)
 	}
 
+	// Remove transactions from pool and update consumption
+	if err := st.txPool.HandleCommittedBlock(blk); err != nil {
+		return err
+	}
+
 	st.logger.Info("new block committed", "block", blk, "round", cert.Round())
 
 	st.evaluateSortition()
diff --git a/txpool/config.go b/txpool/config.go
index 02b86242c..9c64f7769 100644
--- a/txpool/config.go
+++ b/txpool/config.go
@@ -7,6 +7,9 @@ import (
 type Config struct {
 	MaxSize int        `toml:"max_size"`
 	Fee     *FeeConfig `toml:"fee"`
+
+	// Private configs
+	ConsumptionWindow uint32 `toml:"-"`
 }
 
 type FeeConfig struct {
@@ -17,8 +20,9 @@ type FeeConfig struct {
 
 func DefaultConfig() *Config {
 	return &Config{
-		MaxSize: 1000,
-		Fee:     DefaultFeeConfig(),
+		MaxSize:           1000,
+		Fee:               DefaultFeeConfig(),
+		ConsumptionWindow: 8640,
 	}
 }
 
diff --git a/txpool/interface.go b/txpool/interface.go
index 895bd5a75..34ee3b4ac 100644
--- a/txpool/interface.go
+++ b/txpool/interface.go
@@ -23,5 +23,5 @@ type TxPool interface {
 	SetNewSandboxAndRecheck(sb sandbox.Sandbox)
 	AppendTxAndBroadcast(trx *tx.Tx) error
 	AppendTx(trx *tx.Tx) error
-	RemoveTx(id tx.ID)
+	HandleCommittedBlock(blk *block.Block) error
 }
diff --git a/txpool/mock.go b/txpool/mock.go
index 5b5fa5ea6..e305a6aca 100644
--- a/txpool/mock.go
+++ b/txpool/mock.go
@@ -79,6 +79,10 @@ func (m *MockTxPool) RemoveTx(id hash.Hash) {
 	}
 }
 
+func (*MockTxPool) HandleCommittedBlock(_ *block.Block) error {
+	return nil
+}
+
 func (m *MockTxPool) PrepareBlockTransactions() block.Txs {
 	txs := make([]*tx.Tx, m.Size())
 	copy(txs, m.Txs)
diff --git a/txpool/txpool.go b/txpool/txpool.go
index e0b725b7c..5c1dd02bb 100644
--- a/txpool/txpool.go
+++ b/txpool/txpool.go
@@ -4,8 +4,10 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/pactus-project/pactus/crypto"
 	"github.com/pactus-project/pactus/execution"
 	"github.com/pactus-project/pactus/sandbox"
+	"github.com/pactus-project/pactus/store"
 	"github.com/pactus-project/pactus/sync/bundle/message"
 	"github.com/pactus-project/pactus/types/amount"
 	"github.com/pactus-project/pactus/types/block"
@@ -19,14 +21,18 @@ import (
 type txPool struct {
 	lk sync.RWMutex
 
-	config      *Config
-	sandbox     sandbox.Sandbox
-	pools       map[payload.Type]pool
-	broadcastCh chan message.Message
-	logger      *logger.SubLogger
+	config         *Config
+	sandbox        sandbox.Sandbox
+	pools          map[payload.Type]pool
+	consumptionMap map[crypto.Address]uint32
+	broadcastCh    chan message.Message
+	strReader      store.Reader
+	logger         *logger.SubLogger
 }
 
-func NewTxPool(conf *Config, broadcastCh chan message.Message) TxPool {
+// NewTxPool constructs a new transaction pool with various sub-pools for different transaction types.
+// The transaction pool also maintains a consumption map for tracking byte usage per address.
+func NewTxPool(conf *Config, storeReader store.Reader, broadcastCh chan message.Message) TxPool {
 	pools := make(map[payload.Type]pool)
 	pools[payload.TypeTransfer] = newPool(conf.transferPoolSize(), conf.minFee())
 	pools[payload.TypeBond] = newPool(conf.bondPoolSize(), conf.minFee())
@@ -35,9 +41,11 @@ func NewTxPool(conf *Config, broadcastCh chan message.Message) TxPool {
 	pools[payload.TypeSortition] = newPool(conf.sortitionPoolSize(), 0)
 
 	pool := &txPool{
-		config:      conf,
-		pools:       pools,
-		broadcastCh: broadcastCh,
+		config:         conf,
+		pools:          pools,
+		consumptionMap: make(map[crypto.Address]uint32),
+		strReader:      storeReader,
+		broadcastCh:    broadcastCh,
 	}
 
 	pool.logger = logger.NewSubLogger("_pool", pool)
@@ -45,6 +53,8 @@ func NewTxPool(conf *Config, broadcastCh chan message.Message) TxPool {
 	return pool
 }
 
+// SetNewSandboxAndRecheck updates the sandbox and rechecks all transactions,
+// removing expired or invalid ones.
 func (p *txPool) SetNewSandboxAndRecheck(sb sandbox.Sandbox) {
 	p.lk.Lock()
 	defer p.lk.Unlock()
@@ -133,10 +143,67 @@ func (p *txPool) checkTx(trx *tx.Tx) error {
 	return nil
 }
 
-func (p *txPool) RemoveTx(id tx.ID) {
+func (p *txPool) HandleCommittedBlock(blk *block.Block) error {
 	p.lk.Lock()
 	defer p.lk.Unlock()
 
+	for _, trx := range blk.Transactions() {
+		p.removeTx(trx.ID())
+
+		p.handleIncreaseConsumption(trx)
+	}
+
+	return p.handleDecreaseConsumption(blk.Height())
+}
+
+func (p *txPool) handleIncreaseConsumption(trx *tx.Tx) {
+	if trx.IsTransferTx() || trx.IsBondTx() || trx.IsWithdrawTx() {
+		signer := trx.Payload().Signer()
+
+		p.consumptionMap[signer] += uint32(trx.SerializeSize())
+	}
+}
+
+func (p *txPool) handleDecreaseConsumption(height uint32) error {
+	// If height is less than or equal to ConsumptionWindow, nothing to do.
+	if height <= p.config.ConsumptionWindow {
+		return nil
+	}
+
+	// Calculate the block height that has passed out of the consumption window.
+	windowedBlockHeight := height - p.config.ConsumptionWindow
+	committedBlock, err := p.strReader.Block(windowedBlockHeight)
+	if err != nil {
+		return err
+	}
+
+	blk, err := committedBlock.ToBlock()
+	if err != nil {
+		return err
+	}
+
+	for _, trx := range blk.Transactions() {
+		if trx.IsTransferTx() || trx.IsBondTx() || trx.IsWithdrawTx() {
+			signer := trx.Payload().Signer()
+			if v, ok := p.consumptionMap[signer]; ok {
+				// Decrease the consumption by the size of the transaction
+				v -= uint32(trx.SerializeSize())
+
+				if v == 0 {
+					// If the new value is zero, remove the signer from the consumptionMap
+					delete(p.consumptionMap, signer)
+				} else {
+					// Otherwise, update the map with the new value
+					p.consumptionMap[signer] = v
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+func (p *txPool) removeTx(id tx.ID) {
 	for _, pool := range p.pools {
 		if pool.list.Remove(id) {
 			break
diff --git a/txpool/txpool_test.go b/txpool/txpool_test.go
index f1e0570bb..452e31c06 100644
--- a/txpool/txpool_test.go
+++ b/txpool/txpool_test.go
@@ -5,8 +5,10 @@ import (
 	"testing"
 	"time"
 
+	"github.com/pactus-project/pactus/crypto"
 	"github.com/pactus-project/pactus/execution"
 	"github.com/pactus-project/pactus/sandbox"
+	"github.com/pactus-project/pactus/store"
 	"github.com/pactus-project/pactus/sync/bundle/message"
 	"github.com/pactus-project/pactus/types/account"
 	"github.com/pactus-project/pactus/types/tx"
@@ -22,12 +24,14 @@ type testData struct {
 
 	pool    *txPool
 	sandbox *sandbox.MockSandbox
+	str     *store.MockStore
 	ch      chan message.Message
 }
 
 func testConfig() *Config {
 	return &Config{
-		MaxSize: 10,
+		MaxSize:           10,
+		ConsumptionWindow: 3,
 		Fee: &FeeConfig{
 			FixedFee:   0.000001,
 			DailyLimit: 280,
@@ -44,7 +48,8 @@ func setup(t *testing.T) *testData {
 	ch := make(chan message.Message, 10)
 	sb := sandbox.MockingSandbox(ts)
 	config := testConfig()
-	p := NewTxPool(config, ch)
+	mockStore := store.MockingStore(ts)
+	p := NewTxPool(config, mockStore, ch)
 	p.SetNewSandboxAndRecheck(sb)
 	pool := p.(*txPool)
 	assert.NotNil(t, pool)
@@ -53,6 +58,7 @@ func setup(t *testing.T) *testData {
 		TestSuite: ts,
 		pool:      pool,
 		sandbox:   sb,
+		str:       mockStore,
 		ch:        ch,
 	}
 }
@@ -96,11 +102,62 @@ func TestAppendAndRemove(t *testing.T) {
 	// Appending the same transaction again, should not return any error
 	assert.NoError(t, td.pool.AppendTx(testTrx))
 
-	td.pool.RemoveTx(testTrx.ID())
+	td.pool.removeTx(testTrx.ID())
 	assert.False(t, td.pool.HasTx(testTrx.ID()), "Transaction should be removed")
 	assert.Nil(t, td.pool.PendingTx(testTrx.ID()))
 }
 
+func TestCalculatingConsumption(t *testing.T) {
+	td := setup(t)
+
+	// Generate keys for different transaction signers
+	_, prv1 := td.RandEd25519KeyPair()
+	_, prv2 := td.RandEd25519KeyPair()
+	_, prv3 := td.RandBLSKeyPair()
+	_, prv4 := td.RandBLSKeyPair()
+
+	// Generate different types of transactions
+	trx11 := td.GenerateTestTransferTx(testsuite.TransactionWithEd25519Signer(prv1))
+	trx12 := td.GenerateTestBondTx(testsuite.TransactionWithEd25519Signer(prv1))
+	trx13 := td.GenerateTestWithdrawTx(testsuite.TransactionWithBLSSigner(prv3))
+	trx14 := td.GenerateTestUnbondTx(testsuite.TransactionWithBLSSigner(prv4))
+	trx21 := td.GenerateTestTransferTx(testsuite.TransactionWithEd25519Signer(prv2))
+	trx31 := td.GenerateTestBondTx(testsuite.TransactionWithBLSSigner(prv4))
+	trx41 := td.GenerateTestWithdrawTx(testsuite.TransactionWithBLSSigner(prv3))
+	trx42 := td.GenerateTestTransferTx(testsuite.TransactionWithEd25519Signer(prv2))
+
+	// Expected consumption map after transactions
+	expected := map[crypto.Address]uint32{
+		prv2.PublicKeyNative().AccountAddress():   uint32(trx21.SerializeSize()) + uint32(trx42.SerializeSize()),
+		prv4.PublicKeyNative().AccountAddress():   uint32(trx31.SerializeSize()),
+		prv3.PublicKeyNative().ValidatorAddress(): uint32(trx41.SerializeSize()),
+	}
+
+	tests := []struct {
+		height uint32
+		txs    []*tx.Tx
+	}{
+		{1, []*tx.Tx{trx11, trx12, trx13, trx14}},
+		{2, []*tx.Tx{trx21}},
+		{3, []*tx.Tx{trx31}},
+		{4, []*tx.Tx{trx41, trx42}},
+	}
+
+	for _, tt := range tests {
+		// Generate a block with the transactions for the given height
+		blk, cert := td.TestSuite.GenerateTestBlock(tt.height, func(bm *testsuite.BlockMaker) {
+			bm.Txs = tt.txs
+		})
+		td.str.SaveBlock(blk, cert)
+
+		// Handle the block in the transaction pool
+		err := td.pool.HandleCommittedBlock(blk)
+		require.NoError(t, err)
+	}
+
+	require.Equal(t, expected, td.pool.consumptionMap)
+}
+
 func TestAppendInvalidTransaction(t *testing.T) {
 	td := setup(t)
 
diff --git a/util/io_test.go b/util/io_test.go
index 5c21a1835..ac1ecb8ba 100644
--- a/util/io_test.go
+++ b/util/io_test.go
@@ -217,16 +217,23 @@ func TestSanitizeArchivePath(t *testing.T) {
 func TestListFilesInDir(t *testing.T) {
 	tmpDir := TempDirPath()
 
-	file1, err := os.Create(filepath.Join(tmpDir, ".file1"))
+	file1Path := filepath.Join(tmpDir, ".public_file")
+	file1, err := os.Create(file1Path)
 	require.NoError(t, err)
 	require.NoError(t, file1.Close())
 
-	file2, err := os.Create(filepath.Join(tmpDir, ".file2"))
+	file2Path := filepath.Join(tmpDir, ".hidden_file")
+	file2, err := os.Create(file2Path)
 	require.NoError(t, err)
 	require.NoError(t, file2.Close())
 
+	err = os.Mkdir(filepath.Join(tmpDir, "directory"), 0o750)
+	require.NoError(t, err)
+
 	files, err := ListFilesInDir(tmpDir)
 	require.NoError(t, err)
 
 	assert.Len(t, files, 2)
+	assert.Contains(t, files, file1Path)
+	assert.Contains(t, files, file2Path)
 }