Please everyone avoid using jargon specific to the English Wikipedia on
this cross-language and cross-wiki mailing list.
Aaron Halfaker, 23/08/19 17:36:
I think embeddings[1] would be a nice way to create a
signature.
There is some discussion of acceptable user fingerprinting (presumably
to be available to CheckUsers only), other than the usual over-reliance
on IP addresses, in particular at
<https://meta.wikimedia.org/wiki/Talk:IP_Editing:_Privacy_Enhancement_and_Abuse_Mitigation>.
Federico