Business
How Leor Massachi Conquered The Startup World And Became The Co-Founder Of His Company Dandy By Age 20

We’d like to introduce you to Leor Massachi: a 23-year-old carrying the titles of co-founder, Chief Product Officer, and Chief Marketing Officer for a tech startup named Dandy. Massachi had been interested in business since he was in middle school, so it only made sense that he decided to pursue a business-related program at the University of Southern California after graduating high school.
Although his major was in real estate development, Massachi’s true passion always lied in learning about the realm of technology and how multifaceted it could become when starting a business. He became obsessed with the idea of entrepreneurship to the point where he began interviewing successful executives on a television segment he came up with for his school’s newscast called “Word Hard, Play Hard”. Massachi would also constantly find himself dreaming big and taking notes of “cool ideas” for potential business endeavors on his phone so he wouldn’t forget them down the line. Then, once he got to USC, he was able to learn directly from the experts about the dos and don’ts of launching a tech startup. Along the way, Massachi networked with a number of successful entrepreneurs that gave him some of the advice he still applies to his business today.
In 2018, Massachi and his partner, Daniel Newman, came up with a concept for a dating application while chatting in their dorm room at 1 AM. The app was brainstormed to be completely different than your average Tinder or Bumble; the college seniors noted that they didn’t want users wasting time while they waited for the other person to reply. Instead, the app would work instantaneously for all users. At 8 pm every night, the app would go “live” for 10 minutes and users would make the attempt to log on and find a match. Once two users “liked” each other, they would be automatically transferred into a three-minute message-based chat where they could get to know each other in real-time. If they both decided to move forward when the call was over, the application would provide each user with their match’s phone number.
The concept was unlike anything the market had ever seen, and the two seniors knew they were onto something big. But with great originality also came significant challenges. The two entrepreneurs hired top-tier engineers to work on the product due to its complicated synchronous nature. If too many users logged on at the same time and overwhelmed the server, the entire application could crash. Therefore, it took numerous rounds of trial and error to have the servers reach an optimized stage that could handle the load of thousands of users.
And despite the innovative concept of the product, however, Massachi knew the idea and design of the app alone would not be enough to get the users to participate in the launch. He began to brainstorm ways of marketing the product while remaining under the extremely limited budget he and Newman were paying out-of-pocket. They had to be resourceful and minimalistic with their spending while still making enough of a statement to gather brand recognition. An entire discussion of ideas later, they decided to buy hundreds of yard flamingoes that resembled the outline of the app’s logo and disperse them amongst the USC campus overnight with flyers that read “you’ve been flocked!”. People responded extraordinarily well to the marketing tactic, and just like that, Dandy gained over a thousand users overnight.
Eventually, Massachi was designated as the company’s CPO and CMO while Newman took care of logistics as the company’s CEO. “When things started becoming a bit more stable and the app began taking off, we decided to divide the workload based on what we were best at,” Massachi said. “I focused on the development of high-level product concepts and marketing strategies for Dandy because my natural way of thinking was: ‘how can I penetrate the market in a different and effective way that will still prioritize remaining as resourceful and low-cost as possible,’” he added. “Since I tend to lean more toward working creatively than logistically, it just made sense this way.”
In February 2020, the Dandy app went through some major rebranding after news of a possible pandemic began to consume the media. The company founders gathered in an emergency meeting to discuss the possible consequences of what a nationwide lockdown could mean for students who were still in the prime years of their college experience. They understood that the consequences could force students to leave campus and have classes resume virtually, along with the hopes of establishing new relationships going right out the window. But Massachi and Newman came up with a plan to fix that. They introduced the idea for Zoom University: a live two-on-two video chat application that would be aimed towards recreating the way millennials and Gen Zs formed new connections and relationships online. Since each user went live with a friend, the sense of comfort and trust allowed the product to run far more smoothly than the nerve-racking one-on-one video chats from Dandy’s early stages.
Massachi’s marketing tactics for Zoom University were more digitally-focused than those for their previous product. This time around, the CMO utilized a cutting-edge social strategy that involved having hundreds of TikTok creators tell their audiences about ZoomU in their own organic way. “We wanted the content to be as authentic as possible, so we let the creators do it however they felt was most relatable to their community. It was a win for them because they were able to use their own creativity and brand personality to talk about the product, but it was also a win for us because people received it as a genuine endorsement rather than as some random ad,” Massachi explained. As it turned out, the CMO’s approach was immensely effective. One of the influencers’ videos uploaded to Tiktok ended up going viral overnight, and in a matter of 48 hours, the video was viewed over 2.5 million times. Zoom University ended up adding hundreds of thousands of users to their waitlist as a result of that one video.
A couple of months after its launch, Zoom University surpassed a user mark of 100,000 and it even gained a spot in the Top 10 Social Networking Apps on the App Store. That alone was a dream come true for Massachi and Newman. But the work didn’t stop there. Since August of 2020, the two co-founders have been in the process of developing yet another new project alongside some big investors. Details cannot be discussed quite yet, but they have shared that they will be implementing all learnings and feedback from their prior products into perfecting this new endeavor.
Bearing in mind their monumental milestones, you’re probably wondering how these fairly young business owners have time for anything else besides attending to their ever-evolving business. But they actually happen to heavily prioritize the balance between work and social life. “I’m very mindful. I try to live every day like it’s the weekend,” Massachi said. “Occasionally, I’ll go biking, I’ll eat good food, I’ll meditate, or I’ll hang out with friends. Taking a break helps me reset so that I can continue coming up with fresh, new ideas once I’m back to work. I’ve gained a lot of knowledge along the way on how to manage this heavy lifestyle, but I’m also still learning as I go. That pretty much goes for everything when you’re involved in a startup.” Massachi adds that he is eager to wake up every morning and think of new product ideas to improve people’s everyday lives; products that will not only provide high efficiency, but will also be meaningful enough to bring joy to its users.
Business
High Volume, High Value: The Business Logic Behind Black Banx’s Growth

In fintech, success no longer hinges on legacy prestige or brick-and-mortar branches—it’s about speed, scale, and precision. Black Banx, under the leadership of founder and CEO Michael Gastauer, has exemplified this model, turning its high-volume approach into high-value results.
The company’s Q1 2025 performance tells the story: $1.6 billion in pre-tax profit, $4.3 billion in revenue, and 9 million new customers added, bringing its total customer base to 78 million across 180+ countries.
But behind the numbers lies a carefully calibrated business model built for exponential growth. Here’s how Black Banx’s strategy of scale is redefining what profitable banking looks like in the digital age.
Scaling at Speed: Why Volume Matters
Unlike traditional banks, which often focus on deepening relationships with a limited set of customers, Black Banx thrives on breadth and transactional frequency. Its digital infrastructure supports onboarding millions of users instantly, with zero physical presence required. Customers can open accounts within minutes and transact across 28 fiat currencies and 2 cryptocurrencies (Bitcoin and Ethereum) from anywhere in the world.
Each customer interaction—whether it’s a cross-border transfer, crypto exchange, or FX transaction—feeds directly into Black Banx’s revenue engine. At scale, these micro-interactions yield macro results.
Real-Time, Global Payments at the Core
One of Black Banx’s most powerful value propositions is real-time cross-border payments. By enabling instant fund transfers across currencies and countries, the platform removes the frictions associated with SWIFT-based systems and legacy banking networks.
This service, used by individuals and businesses alike, generates:
- Volume-based revenue from transaction fees
- Exchange spreads on currency conversion
- Premium service income from business clients managing international payroll or vendor payments
With operations in underserved regions like Africa, South Asia, and Latin America, Black Banx is not only increasing volume—it’s tapping into fast-growing financial ecosystems overlooked by legacy banks.
The Flywheel Effect of Crypto Integration
Crypto capabilities have added another dimension to the company’s high-volume model. As of Q1 2025, 20% of all Black Banx transactions involved cryptocurrency, including:
- Crypto-to-fiat and fiat-to-crypto exchanges
- Crypto deposits and withdrawals
- Payments using Bitcoin or Ethereum
The crypto integration attracts both retail users and blockchain-native businesses, enabling them to:
- Access traditional banking rails
- Convert assets seamlessly
- Operate with lower transaction fees than those found in standard financial systems
By being one of the few regulated platforms offering full banking and crypto support, Black Banx is monetizing the convergence of two financial worlds.
Optimized for Operational Efficiency
High volume is only profitable when costs are contained—and Black Banx has engineered its operations to be lean from day one. With a cost-to-income ratio of just 63% in Q1 2025, it operates significantly more efficiently than most global banks.
Key enablers of this cost efficiency include:
- AI-driven compliance and customer support
- Cloud-native architecture
- Automated onboarding and KYC processes
- Digital-only servicing without expensive physical infrastructure
The outcome is a platform that not only scales, but does so without sacrificing margin—each new customer contributes to profit rather than diluting it.
Business Clients: The Value Multiplier
While Black Banx’s massive customer base is largely consumer-driven, its business clients are high-value accelerators. From SMEs and startups to crypto firms and global freelancers, businesses use Black Banx for:
- International transactions
- Multi-currency payroll
- Crypto-fiat settlements
- Supplier payments and invoicing
These clients tend to:
- Transact more frequently
- Use a broader range of services
- Generate significantly higher revenue per user
Moreover, Black Banx’s API integrations and tailored enterprise solutions lock in these clients for the long term, reinforcing predictable and scalable growth.
Monetizing the Ecosystem, Not Just the Account
The genius of Black Banx’s model is that it monetizes not just accounts, but entire customer journeys. A user might:
- Onboard in minutes
- Deposit funds from a crypto wallet
- Exchange currencies
- Pay an overseas vendor
- Withdraw to a local bank account
Each of these actions touches a different monetization lever—FX spread, transaction fee, crypto conversion, or premium service charge. With 78 million customers doing variations of this at global scale, the cumulative financial impact becomes immense.
Strategic Expansion, Not Blind Growth
Unlike many fintechs that chase customer acquisition without a clear monetization path, Black Banx aligns its growth with strategic market opportunities. Its expansion into underbanked and high-demand markets ensures that:
- Customer acquisition costs stay low
- Services meet genuine needs (e.g., cross-border income, crypto access)
- Revenue per user grows over time
It’s not just about acquiring more customers—it’s about acquiring the right customers, in the right markets, with the right needs.
The Future Belongs to Scalable Banking
Black Banx’s ability to transform high-volume engagement into high-value profitability is more than just a fintech success—it’s a signal of what the future of banking looks like. In a world where agility, efficiency, and inclusion define competitive advantage, Black Banx has created a blueprint for digital banking dominance.
With $1.6 billion in quarterly profit, nearly 80 million users, and services that span the globe and the blockchain, the company is no longer just scaling—it’s compounding. Each new user, each transaction, and each feature builds upon the last.
This is not the story of a bank growing.
This is the story of a bank accelerating.
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