There's a new messaging app trending in Washington D.C.

The Confide messaging app is used by White House staffers to gossip about the Trump administration in private, the Washington Post and Axios have reported.

The reason staffers chose Confide over other secure messaging apps, like Signal, is that Confide erases messages as soon as they're read.

This feature has lead to a big spike in Confide users in not only the government, but reporters as well. "Suddenly popular among White House reporters: Confide," Yahoo Washington correspondent Oliver Knox tweeted on Tuesday.

"It's absolutely bananas over here," Confide president Jon Brod told Business Insider, regarding the attention the small New York-based company has received after recent reports.

Confide is also introducing a new, free, verified-badge program for reporters around the world, Brod said in a Confide message. The blue checkmark goes next to the journalist's username. It works similarly to Twitter.

Here's what you need to know about Confide, the self-destructing messages app:

This is what Confide looks like. Those blocks mean you've received a message but you haven't opened it yet. It's available for most platforms, including Mac, iOS, and Android.
© Provided by Business Insider Inc
To read a message, you hold your finger down on the blocks, which reveals the message underneath line by line. This makes it harder to screenshot or photograph the entire message.
<span style="font-size:13px;">Confide</span>© Provided by Business Insider Inc Confide
When you've finished reading or some time has elapsed, the message disappears, and the app shows an animation of the blocks crumbling.
<span style="font-size:13px;">Confide</span>© Provided by Business Insider Inc Confide
Confide is also useful because these self-destructing and limited-viewing features can be applied to images and documents.
<span style="font-size:13px;">Confide</span>© Provided by Business Insider Inc Confide
It's free, but you can pay to unlock additional features, including message retraction.
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The self-destructing feature, especially, is why White House staffers worried about being caught leaking have adopted the app. "Numerous senior GOP operatives and several members of the Trump administration have downloaded the app, spurred by the airing of hacked Democratic e-mails," Axios reported.
<span style="font-size:13px;">Alex Wong/Getty Images</span>© Provided by Business Insider Inc Alex Wong/Getty Images
White House staffers are using Confide because they're worried that they'll be accused of leaking to the media, the Washington Post reported.

<span style="font-size:13px;">The White House</span>© Provided by Business Insider Inc The White House
According to Confide, the company deletes all messages from its servers and wipes them from people's devices after they're read. Other secure messengers, like Signal, do not wipe read messages — meaning they could be intercepted if someone gains access to a phone where the messages have not been explicitly deleted.

<span style="font-size:13px;">Alex Wong/Getty Images</span>© Provided by Business Insider Inc Alex Wong/Getty Images
Still, some security researchers are skeptical about Confide's cryptography bonafides, mostly because the app is not open-source like Signal and may use old protocols.

You can download Confide for iPhone, Mac, Android, and Windows.
Confide has been around for three years, and has raised $3 million in funding from Google Ventures, SV Angel, and Lerer Hippeau Ventures.

More details and links on the Confide website.