A deal was signed electronically on Sunday between US President Donald Trump, Vice President J.D. Vance, and Iranian Speaker Mohammad-Bagher Ghalibaf, as confirmed by senior US administration officials on Monday. The agreement aims to potentially transition a temporary de-escalation in hostilities between Washington and Tehran into a lasting peace. Details of the agreement remain largely undisclosed, but it represents a significant, albeit surprising, development in US-Iran relations. Officials have not yet addressed eight key questions surrounding the terms and implementation of the deal. The success of the agreement hinges on its ability to establish a durable peace, a prospect currently under scrutiny. Further clarification is expected as the agreement undergoes review and potential public release.