Personal QR in detail
Business cards are the original friction at networking events, and the personal QR is the replacement. Every member has a code on their profile; another participant scans it and the contact details the owner has chosen to share appear in the scanner's app, saved for follow-up with notes. The code belongs to the same identity as the entry pass, but it is deliberately a different scanning context. A gate scanner reads the entry pass; a fellow delegate reads the contact card; a stall owner scanning a visitor reads yet another context, with consent. This avoids the confusion of one code that does everything and the privacy hazard of handing a stranger an access pass. Pair it with the delegates directory, where search and chat requests with an accept step handle people you meet less directly, and with meeting schedule and notes. Organisers can decide which profile fields appear, since city, company and role are usually enough for a first contact.
How Sociana uses it
Contact exchange sits in the networking cluster beside the delegates directory and meeting schedule. It shares an identity with the entry pass but is a separate scan context.
Example
A wedding-industry fraternity meet let delegates exchange contacts by scanning each other's codes.