After the event is over, You can request a letter confirming you attended Collision 2023 by signing into your profile at:

You will need your ticket reference to sign-in. This can be found in your confirmation email. 

Once you have signed in, click on your profile picture in the top right corner. Click ‘Request certificate of attendance’ from the drop-down menu. You will receive your confirmation letter by email to the email address associated with your ticket. 

Please note: The ‘Request certificate of attendance’ menu item will only appear for attendees who have checked in at Collision in person.