Nothing! CordaCon is a free event hosted by R3 and our sponsors. Refreshments and lunch are provided on both days. The only cost to you is transport, flights and accommodation if applicable.
Yes. Please send an email to events@r3.com with the following details and we will send you the letter.
We will also need the address of the consulate to which you are applying - e.g.
For the Attention of:
The Visa Section
British Deputy Commission
City, Country