So a german rap turnament is taking BTC donations for the price money pool and I decided to punch it into mempool to look what's up and ended in this transaction:
Can someone explain to me why in the inputs/outputs section, the same wallet appears on both sides plus the receiving wallet? Why would that wallet send itself 1.5 BTC and only a split of that going to the actual target?
I have not done much with BTC itself, mainly with LN - and that is largely due to both my ignorance and most youtube videos being genuenly ass. XD Thanks! ^^;

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I think I lost a nut o_o