Most airlines will cut the locks off your luggage.
None <><><> Depends on the age of the child. MOST airlines have a procedure called "Unaccompanied minor". There are limitations on which flights this can be used. Check the websites or call the airlines you are considering.
Yes. With most airlines you indeed can.
Authentication alone is not secured. That should happen on secure channel otherwise man in middle attack is possible.
i dont know where you are from but i know you can travel alone with SAS from 13 years old
You can typically travel alone at the age of 18, although some airlines and countries may have different age restrictions.
Most airlines let you fly alone at about 13/14.
Yes
More than 150. There are quite a few in the USA alone. See the related link about flightmemories. Some contributors have flown in well over 100 airlines.
you have to be 16 years old to travel alone with Monarch most other airlines are 12 or 14 years.
The minimum age required for a child to travel alone varies depending on the airline and destination. In general, most airlines require children to be at least 5 years old to travel alone. However, some airlines may have different age requirements or additional restrictions for unaccompanied minors. It is important to check with the specific airline and destination for their policies on children traveling alone.
a knife/ flashlight/ gun/ water if driving/ extra batteries for everything/ protein bars/
Most airlines have very specific policies concerning children flying alone. It's allowed at a certain age by some, it's completely not allowed at all by others, and by some there are conditions for your child flying alone. The best way to find out is to contact the airline in question, or find out on the airlines official site.