With op_return, the utxo set does not grow at all. With pubkey data, it will grow forever.
Discussion
Yes if there will be a significant amount of those transactions which is doubtable as there are cheaper ways (exploiting SegWit).
With op_return, the utxo set does not grow at all. With pubkey data, it will grow forever.
Yes if there will be a significant amount of those transactions which is doubtable as there are cheaper ways (exploiting SegWit).