nostr:npub1fmgppm2qzn53aa308q4fscdw0t90458chkwsdne3r646svrdkejqke0868 This guide does not mention hardware. How would the nostr:npub17qeesxmmenufr7ezzqled7t80qpw47wfuz7dumqufv2wvr4l344s8c4nfk suggest one go about that for a fully DRM-free experience?