Due to COVID-19 pademic, WCPE 3 becomes a totally online event. All sessions occur in Zoom with detailed schedule and loggin information which are given in a reliable platform like Indico.
Indico - https://indico.cern.ch/ is known as a power platform to organise meetings, workshops and conferences across the globe. The Indico project started in 2002 as a European project. In 2004, CERN - https://home.cern adopted it as its own event-management solution and has financed its development since.
Go to https://account.cern.ch/account/ and create a lightweight account, then sign in Indico to experience the platform.
Please read guidlines on how to submit your abstract here.