Sorry I am new, but how is a transaction like this possible?

https://etherscan.io/tx/0xef725540b79ff0fb838d75122f1f40c5dbfffdac916cff29910a4d85b15e0876 I dont understand how a transaction could have 0 fees submitted by /u/NiceAccount74[link] [comments]from Ethereum https://www.reddit.com/r/ethereum/comments/graf80/sorry_i_am_new_but_how_is_a_transaction_like_this/
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