Why is the value of the input way higher than the output resulting in a second change output? [duplicate]

Why is the value of the input way higher than the output resulting in a second change output? [duplicate]

This question already has an answer here:

Background: I'm experimenting on the LTC testnet client.

My client has a balance of 0.4 LTC and I sent 0.1 LTC to another wallet address.

https://chain.so/tx/LTCTEST/cc7d6e5e488593fded214e3073195fbaca3807a27d18a7f2550b6fc4909c48f6

Why is the value of the input 0.19 instead of 0.1? Why is this type of transaction created?

Why can't a transaction just be created with 0.1 input and 0.1 output without any change returned?

Thanks in advance.

https://ift.tt/2vK6gVI

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