🏦 The bank that went viral before it even existed

The waitlist so good, 200,000 people joined it

How do you get 200,000 people to sign up for a bank account... before you're even a real bank?

“It just worked incredibly well — about 40% of our sign-ups in 2017 came from golden tickets and it cost us nothing”

- Tom Blomfield, Monzo founder

Here’s what’s in store for today’s issue:

  • The simple UX tweak that turned a boring waitlist into a viral competition

  • How Monzo engineered FOMO and status into a banking product

  • The referral mechanic that created golden scarcity (and golden growth)

  • Why Monzo’s coral debit card became their best-performing ad

  • The crowdfunding moment that proved user obsession can beat ad budgets

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How Monzo Made Waiting in Line the Hottest Invite in Banking

In 2015, Tom Blomfield launched Monzo with a big idea: make banking less awful.

Forget branches and overdraft fees—Monzo was a sleek little app and a prepaid debit card built for the mobile generation. It was fast, it was simple, and it was very, very neon.

But there was a problem.

Monzo wasn’t a bank yet. It didn’t have a license. And it had no marketing budget.

So how do you convince people to trust you with their money when you're not really a bank, no one's heard of you, and you can’t spend to compete?

You build a line—and make everyone want to skip it.

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The Waitlist That Went Viral

Monzo didn’t just open their doors and hope people came.

They created a waitlist.

But not just any waitlist. A gamified, ranked, public one.

When you signed up for early access, you saw exactly where you stood—say, #17,842 in line—and how many people were behind you. Instant status. Instant curiosity. Suddenly, getting a Monzo card felt like getting into an exclusive club.

Then came the kicker: refer a friend, and you move up the queue. Bring in ten friends? Jump thousands of spots. Suddenly, banking became a competition.

It was smart psychological design. The queue system tapped into basic human instincts: FOMO, competitiveness, and a desire to show off.

But Monzo didn’t stop there.

After a few weeks, early users were granted a single Golden Ticket—an invite that let one friend skip the line entirely. Not ten invites. Not unlimited. Just one.

That scarcity made every Golden Ticket feel like a backstage pass. People didn’t just share them—they curated them. “I only have one—who really wants it?”

Golden Tickets turned users into gatekeepers. And the more they shared, the more desirable Monzo became.

Oh, and the cards themselves? Bright, hot coral orange.

They didn’t just look cool. They worked like free marketing. Every time someone whipped out their eye-burning debit card at the bar, friends asked, “What’s that?”

Word-of-mouth? Activated.

From Prepaid Hype to Full-Blown Bank

The results were ridiculous.

Before Monzo even got its banking license, over 200,000 people had signed up—just to use a prepaid debit card.

And 40% of that early growth came from referrals alone. Not paid ads. Not influencer campaigns. Just people showing their friends something new and exciting.

The Golden Ticket system drove so much organic buzz that Monzo didn’t need to manufacture virality—it happened naturally. People wanted in. And once they got in, they wanted others to join them.

Even Monzo’s early fundraising leaned on this community energy. When they raised £1 million on Crowdcube, their own users backed them—in 96 seconds.

By 2020, Monzo had over 5 million customers, a full banking license, and a $4.5 billion valuation. The lean little startup with no license and no ad budget had outgrown its queue—and turned it into a movement.

As the team later reflected, “About 40% of our sign-ups in 2017 came from Golden Tickets—and it cost us nothing.”

Monzo’s waitlist worked because it wasn’t just a barrier—it was a badge of honor. The referrals weren’t spammy—they were a gift. The card didn’t just work—it turned heads.

That’s how you build viral loops that actually feel good.

Even in banking.

🍫 Snackable Stats

£15.4 million – Monzo’s first annual net profit in FY2024 after six consecutive years of losses.

£880 million – Record revenue in 2024, marking a 147% year-on-year growth.

12 million – Customers reported in 2025 as Monzo celebrates its 10th anniversary, representing one in five UK adults.

£130 million – Interest paid to customers via its Instant Access Savings accounts since launch.

14 million – Projected customer base by end of 2025 based on current growth trajectories.

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