sony focused on blocking the mtx chip:
Update: Reports of confirmations are coming in that MTX Key is blocked in PS4 Firmware 4.73, currently we're awaiting additional confirmations so if you update and try it let us know your results in the comments thanks!
Update #2: More reports are confirming Sony has blocked the MTX Key ModChip, gamesharing method and issuing bans on some PS4 consoles... more to come as it's available!
source:
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