Vice President JD Vance says the U.S. and Iran have digitally signed a deal to end a three-and-a-half-month war, with a formal ceremony set for Friday in Switzerland; major questions about the Strait of Hormuz, a reported $300 billion reconstruction fund, and verification mechanisms remain unresolved and hinge on the text that the administration promises to release this week.

Vice President JD Vance told morning television audiences that the agreement has already been signed digitally and that a public ceremony will follow on Friday in Switzerland. He pushed back hard against party critics and Iranian statements that he said distort the deal, promising full transparency when the text is released later this week. The announcement marks a sudden turn in a conflict that unsettled energy markets and raised fears of broader regional war.

The most immediate operational question is maritime: whether the Strait of Hormuz will reopen without fees and how that will be enforced. President Trump posted that movement had begun, writing, “Ships are starting to move, many loaded up with Oil, out of the Strait of Hormuz.” Tehran’s spokesman offered a different tone, saying Iran would not collect tolls and then adding that fees might apply “in exchange for the services that are provided.”

That ambiguity about what counts as a service is at the heart of the dispute over the strait’s future. Vance acknowledged the gap plainly: “There are a lot of very important details to figure out that we’re actually going to sit at the table and discuss together.” He said Washington expects the strait to be opened toll-free for the long term, but admitted technical talks will flesh out the specifics and timelines.

The financial headline from the reporting is the reported $300 billion reconstruction fund that Iran could access if it fulfills obligations under the agreement. Vance described the mechanism on “CBS Mornings”: “That’s the sort of thing they could have access to, funded by the [Gulf Cooperation Council], so long as they honor their end of the obligation.” He insisted repeatedly that no U.S. taxpayer dollars will be handed over as direct payments.

On ABC, Vance was categorical on one point, saying “not a single dollar of American money will go to Iran.” He framed the proposed support as sanctions relief and private or regional investment rather than an American transfer. The practical effect, however, is that sanctions relief unlocks value that can flow into Tehran’s economy, which is exactly why skeptics are alarmed.

Senator Lindsey Graham has been one of the most vocal Republican critics, warning that the fund is dangerously naive. He wrote: “The idea of a $300 billion reconstruction fund, given who is in charge of Iran, seems to be tone deaf. It would be akin to a Marshall Plan for Germany with the Nazis still in charge.” Vance responded directly to that comparison, urging critics to read the agreement rather than believe hard-line propaganda.

“I caution Lindsey Graham and anybody else not to believe the hard-liner propaganda in Iran, but to believe what’s actually in the agreement.”

Vance also promised transparency about how the money would move and under what conditions. “We’ll be releasing the text this week, and what everybody will see is that Iran doesn’t get a dime of money unless they perform their obligations. The money that we’re talking about is fundamentally sanctions relief. We’re not giving them American money.” Those lines are the hinge: whether verification and enforcement are airtight or porous will decide whether critics are proved right.

Important details remain unanswered: what benchmarks Iran must meet on uranium enrichment before benefits flow, who will administer the reconstruction resources, and what recourse exists if Iran takes partial steps without full compliance. The deal’s legal and technical framework needs robust verification language to avoid loopholes and to ensure any economic reopening truly depends on verifiable dismantlement.

The timing question is also political and procedural. If the digital signature triggers a 60-day negotiation window, or if the formal ceremony starts the clock, matters for both diplomatic leverage and congressional review. Republican policymakers will press for clarity on sequencing, oversight, and whether any sanctions relief can be unwound if Tehran backslides.

Operational realities complicate promises about the strait too. Demining and ensuring safe passage through the Strait of Hormuz require coordination, funding, and time. Announcing that ships are starting to move is encouraging, but guaranteeing sustained, toll-free passage through one of the world’s most strategic waterways is a heavy lift that will demand multinational cooperation.

The administration has staked political capital on selling this outcome to allies and to skeptical Republicans at home. Vance’s willingness to face questions and rebut critics directly helps the case, but the proof will be in the printed agreement and the verification mechanisms it contains. Until the text is public, policy debates will be driven by best-case hopes and worst-case warnings, and those debates will determine whether this deal strengthens American interests or undermines them.