By popular demand (from 1 person), I added a BLSAG (Back's Linkable Spontaneous Anonymous Group) variant in Nostringer, similar to Monery scheme.
bLSAG signatures are linkable but still anonymous.
Can detect duplicate voting or track usage of a credential.
https://github.com/AbdelStark/nostringer-rs?tab=readme-ov-file#blsag-backs-linkable-spontaneous-anonymous-group
nostr:nevent1qqsdrgpx9u4hpwkmzajnq90lch9d98p7d3evmuzgu9uywxrvkmudllqpr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp09v8axp
