I do it primarily within my network. It's mostly based on the trust I've built over the years in the online and local communities. I used nostr:nprofile1qqsgqfapsalnnesrmt7xxfu7qp95akwlscw33n5pm8zrclt3xhdg7egpr3mhxue69uhhyetvv9ujucnfw33k76twwpshy6ewvdhk6tcpr4mhxue69uhkummnw3ezumt4w35ku7thv9kxcet59e3...