I suppose they have been included to move the CE / FCC certification. They are preserving against electromagnetic some Component of the circuit such as the power phase to the motherboard and also the I/O board (potentially power also) over the CM3 adaptation board. NFTs exist on a blockchain, https://financefeeds.com/blockdags-100-bonus-offer-might-be-the-last-chance-to-for-you-to-double-up-your-earnings-amid-xrp-bnb-market-moves/