As military technology with a horrible UX/UI Shiva was the 1st to make a proprietary system for commercial use. nostr:nevent1qqsvkt890yded8aunlsejp58429lqce7xeyyueqguwuacpxgc9l8qvspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsygppksv3qtdgls96jpyy4mynf064k74u7a0wmvu3yn5dwhjfraq6tcpsgqqqqqqse0h34f