jm BÕìÊÅu$yôBL]q¼ãw]6ÜÖìÍLYou mean it's harder to build them ? You can spend a week building them and spamming the network a single day
Or do you mean the validation ?
https://whatsonchain.com/tx/4bd12adb5a66b0a540f0307c74c67ab8556d4e466703afa67beb01431d0fc6ab