Bolt Card has a nostr:npub1kmwdmhuxvafg05dyap3qmy42jpwztrv9p0uvey3a8803ahlwtmnsnhxqk9 now. This is to enable ongoing work and especially open source (MIT license) development of a low level NXP NTAG 424 DNA card programming library needed for iOS support.

https://geyser.fund/project/boltcard/