Facebook subsidiary Calibra may have a registered domain name. The calibra.com page contains its logo, indicating that the domain name is likely to belong to a Facebook subsidiary. Although the site contains 404 error messages, the source code reveals clues about the upcoming cryptocurrency. It contains texts for many legal tenders around the world. While it's unclear what these legal currencies mean for Facebook's cryptocurrency, the code also supports reports that the currency is available for messaging applications, including Facebook's WhatsApp. Instagram and "messengerdotcom" also appear in the source code. According to media sources, according to reports, people familiar with the matter, Facebook subsidiary Calibra is one of the founding members of the Libra Association. Calibra was formed to oversee Facebook's encryption efforts.