I suppose they have been added to go the CE / FCC certification. They are shielding against electromagnetic some Section of the circuit such as the power phase around the motherboard plus the I/O board (potentially power also) around the CM3 adaptation board. NFTs exist on the blockchain, which https://financefeeds.com/unveiling-the-next-big-copyright-in-2024-chainlink-cetus-and-blockdags-presale-strategies/