diff --git a/internal/storage/postgres.go b/internal/storage/postgres.go
index 5432a88..9498e8d 100644
--- a/internal/storage/postgres.go
+++ b/internal/storage/postgres.go
@@ -150,41 +150,33 @@ func (p *PostgresConnector) StoreBlockFailures(failures []common.BlockFailure) e
 		return nil
 	}
 
-	tx, err := p.db.Begin()
-	if err != nil {
-		return err
-	}
-	defer tx.Rollback()
-
-	query := `INSERT INTO block_failures (chain_id, block_number, last_error_timestamp, failure_count, reason)
-	          VALUES ($1, $2, $3, $4, $5)
-	          ON CONFLICT (chain_id, block_number) 
-	          DO UPDATE SET 
-	              last_error_timestamp = EXCLUDED.last_error_timestamp,
-	              failure_count = EXCLUDED.failure_count,
-	              reason = EXCLUDED.reason,
-	              updated_at = NOW()`
-
-	stmt, err := tx.Prepare(query)
-	if err != nil {
-		return err
-	}
-	defer stmt.Close()
-
-	for _, failure := range failures {
-		_, err := stmt.Exec(
+	// Build multi-row INSERT without transaction for better performance
+	valueStrings := make([]string, 0, len(failures))
+	valueArgs := make([]interface{}, 0, len(failures)*5)
+
+	for i, failure := range failures {
+		valueStrings = append(valueStrings, fmt.Sprintf("($%d, $%d, $%d, $%d, $%d)",
+			i*5+1, i*5+2, i*5+3, i*5+4, i*5+5))
+		valueArgs = append(valueArgs,
 			failure.ChainId.String(),
 			failure.BlockNumber.String(),
 			failure.FailureTime.Unix(),
 			failure.FailureCount,
 			failure.FailureReason,
 		)
-		if err != nil {
-			return err
-		}
 	}
 
-	return tx.Commit()
+	query := fmt.Sprintf(`INSERT INTO block_failures (chain_id, block_number, last_error_timestamp, failure_count, reason)
+	          VALUES %s
+	          ON CONFLICT (chain_id, block_number) 
+	          DO UPDATE SET 
+	              last_error_timestamp = EXCLUDED.last_error_timestamp,
+	              failure_count = EXCLUDED.failure_count,
+	              reason = EXCLUDED.reason,
+	              updated_at = NOW()`, strings.Join(valueStrings, ","))
+
+	_, err := p.db.Exec(query, valueArgs...)
+	return err
 }
 
 func (p *PostgresConnector) DeleteBlockFailures(failures []common.BlockFailure) error {
@@ -192,30 +184,20 @@ func (p *PostgresConnector) DeleteBlockFailures(failures []common.BlockFailure)
 		return nil
 	}
 
-	tx, err := p.db.Begin()
-	if err != nil {
-		return err
-	}
-	defer tx.Rollback()
-
-	// Hard delete for block failures
-	query := `DELETE FROM block_failures 
-	          WHERE chain_id = $1 AND block_number = $2`
+	// Build single DELETE query with all tuples
+	tuples := make([]string, 0, len(failures))
+	args := make([]interface{}, 0, len(failures)*2)
 
-	stmt, err := tx.Prepare(query)
-	if err != nil {
-		return err
+	for i, failure := range failures {
+		tuples = append(tuples, fmt.Sprintf("($%d, $%d)", i*2+1, i*2+2))
+		args = append(args, failure.ChainId.String(), failure.BlockNumber.String())
 	}
-	defer stmt.Close()
 
-	for _, failure := range failures {
-		_, err := stmt.Exec(failure.ChainId.String(), failure.BlockNumber.String())
-		if err != nil {
-			return err
-		}
-	}
+	query := fmt.Sprintf(`DELETE FROM block_failures 
+	          WHERE (chain_id, block_number) IN (%s)`, strings.Join(tuples, ","))
 
-	return tx.Commit()
+	_, err := p.db.Exec(query, args...)
+	return err
 }
 
 func (p *PostgresConnector) GetLastReorgCheckedBlockNumber(chainId *big.Int) (*big.Int, error) {
@@ -253,40 +235,32 @@ func (p *PostgresConnector) InsertStagingData(data []common.BlockData) error {
 		return nil
 	}
 
-	tx, err := p.db.Begin()
-	if err != nil {
-		return err
-	}
-	defer tx.Rollback()
-
-	query := `INSERT INTO block_data (chain_id, block_number, data)
-	          VALUES ($1, $2, $3)
-	          ON CONFLICT (chain_id, block_number) 
-	          DO UPDATE SET data = EXCLUDED.data, updated_at = NOW()`
-
-	stmt, err := tx.Prepare(query)
-	if err != nil {
-		return err
-	}
-	defer stmt.Close()
+	// Build multi-row INSERT without transaction for better performance
+	valueStrings := make([]string, 0, len(data))
+	valueArgs := make([]interface{}, 0, len(data)*3)
 
-	for _, blockData := range data {
+	for i, blockData := range data {
 		blockDataJSON, err := json.Marshal(blockData)
 		if err != nil {
 			return err
 		}
 
-		_, err = stmt.Exec(
+		valueStrings = append(valueStrings, fmt.Sprintf("($%d, $%d, $%d)",
+			i*3+1, i*3+2, i*3+3))
+		valueArgs = append(valueArgs,
 			blockData.Block.ChainId.String(),
 			blockData.Block.Number.String(),
 			string(blockDataJSON),
 		)
-		if err != nil {
-			return err
-		}
 	}
 
-	return tx.Commit()
+	query := fmt.Sprintf(`INSERT INTO block_data (chain_id, block_number, data)
+	          VALUES %s
+	          ON CONFLICT (chain_id, block_number) 
+	          DO UPDATE SET data = EXCLUDED.data, updated_at = NOW()`, strings.Join(valueStrings, ","))
+
+	_, err := p.db.Exec(query, valueArgs...)
+	return err
 }
 
 func (p *PostgresConnector) GetStagingData(qf QueryFilter) ([]common.BlockData, error) {
@@ -354,33 +328,20 @@ func (p *PostgresConnector) DeleteStagingData(data []common.BlockData) error {
 		return nil
 	}
 
-	tx, err := p.db.Begin()
-	if err != nil {
-		return err
-	}
-	defer tx.Rollback()
+	// Build single DELETE query with all tuples
+	tuples := make([]string, 0, len(data))
+	args := make([]interface{}, 0, len(data)*2)
 
-	// Hard delete for staging data to save disk space
-	query := `DELETE FROM block_data 
-	          WHERE chain_id = $1 AND block_number = $2`
-
-	stmt, err := tx.Prepare(query)
-	if err != nil {
-		return err
+	for i, blockData := range data {
+		tuples = append(tuples, fmt.Sprintf("($%d, $%d)", i*2+1, i*2+2))
+		args = append(args, blockData.Block.ChainId.String(), blockData.Block.Number.String())
 	}
-	defer stmt.Close()
 
-	for _, blockData := range data {
-		_, err := stmt.Exec(
-			blockData.Block.ChainId.String(),
-			blockData.Block.Number.String(),
-		)
-		if err != nil {
-			return err
-		}
-	}
+	query := fmt.Sprintf(`DELETE FROM block_data 
+	          WHERE (chain_id, block_number) IN (%s)`, strings.Join(tuples, ","))
 
-	return tx.Commit()
+	_, err := p.db.Exec(query, args...)
+	return err
 }
 
 func (p *PostgresConnector) GetLastStagedBlockNumber(chainId *big.Int, rangeStart *big.Int, rangeEnd *big.Int) (*big.Int, error) {