According to Signal, it had restored its services within a day after the application faced a technical issue as it dealt with a storm of new users after competitor messaging app WhatsApp announced a change in their privacy terms.
Signal users may see errors in their chats because of the outage, but it will be resolved in the next update. This error does not affect the security of the chat.
The signal is a Silicon Valley-based non-profit organization, which currently oversees the app, was launched in February 2018 with Brian Acton, who co-founded WhatsApp before selling it to Facebook, providing initial funding of $50 million.