Drain canned tuna thoroughly and place in a mixing bowl.

In a separate bowl, whisk together mayonnaise, Sriracha sauce, lime juice, soy sauce, and sesame oil until smooth.

Add ground ginger and garlic powder, then gently fold in the flaked tuna.

Incorporate red onion, celery, and cilantro into the mixture.

Cover and refrigerate for at least 30 minutes.

Warm the tortillas in the microwave for 10-15 seconds.

Spread lettuce, carrots, and cucumber down the center of each tortilla.

Spoon the tuna mixture onto the veggies, adding avocado if desired.

Fold in the sides and roll up the tortilla tightly.

Slice the wraps diagonally for serving and sprinkle with sesame seeds if desired.