Your ethereum address must be from
https://www.myetherwallet.com wallet and you will need to add the nvo token to your watch list.
The information below is from
https://www.myetherwallet.com website
A Token Creation Period (ICO) may cause delays in transactions on June 20 2PM - 8PM GMT. What time is it now?
If your TX is not urgent, we recommend waiting for faster & cheaper TXs. You can also use a gas price of 50 GWEI, which you can adjust in the footer. Thank you for understanding.