If you were registered for re:publica 2014, 2015 or 2016, you only need to update your account. Log in with your details. On the main page you see the note “re:publica Dublin: Please register first.” on the top right. Click on it, then click the green "Join" button below to confirm the process.
If you spoke at re:publica 2013 or earlier, please register for a new account.