How one developer built and sold a $1M crypto app as a solo founder

Executive overview

Most solo developers ship features endlessly without ever hitting product-market fit. Dawson Botsford built a one-page Ethereum airdrop finder in under five hours during a hackathon, went viral on Twitter, and scaled to $1M ARR before selling to a major crypto podcast.

The edge was focus: one sharp problem, one viral tweet, one honest monetization mechanic.

Waiting for conviction before writing code is faster than starting early with a vague idea.

From idea to launch in five hours

• Dawson identified a real pain he had himself: unclaimed Ethereum airdrops most users don't know exist
• Built during a one-month hackathon, spending the first weeks letting the idea solidify before touching code
• Shipped a single-page site — enter an Ethereum address, instantly see unclaimed airdrops
• Average user discovered $750 in unclaimed value; that number made the product easy to share
• Built in TypeScript full stack: Next.js, React front end, Node.js back end
• Speed of the site was a deliberate product decision, not an afterthought

Viral launch: 10,000 signups in 48 hours

• Crafted a single tweet with a screen recording showing a wallet with large unclaimed airdrops
• The charitable framing ("help others find free money") made retweeting feel altruistic
• Optimized the landing page for email capture: prominent CTA above the fold, drop shadows to draw the eye
• No paid ads — ever; every visitor already arrived knowing they had money to claim

Monetization: the anti-email strategy

• Never emailed users unless the message was "you have $X to claim right now"
• Open rates were extreme; users trusted the notification because it was always worth opening
• Paywalled individual airdrops: users could see the dollar amount but had to pay to claim
• Honest framing — the fee was always smaller than the value unlocked — drove word-of-mouth

Growth channels

• Twitter was the primary channel; crypto users concentrate there
• "25 Days of Christmas" campaign: tagged one person publicly each day with their unclaimed balance and a screenshot
• Community pressure worked in both directions — tagged users claimed, others wanted to as well
• Regular conference attendance generated additional signups and idea validation
• Co-working and communities prevented solo-founder echo-chamber thinking

Quality as the competitive moat

• Ruthlessly filtered airdrop data; competitors included too much, eroding trust
• In crypto, trust is scarce due to hacking and phishing — accuracy was a hard differentiator
• Being early and then raising the quality bar so high that competitors couldn't catch up

Acquisition and what came after

• Received a cold Twitter DM from the co-host of the Bankless podcast — a show that had originally inspired Dawson to get into Ethereum
• Went from wanting a name-mention on Bankless to becoming its CTO
• After two years solo, the company was acquired; Dawson took the exit
• Post-exit: the initial euphoria passed quickly; purpose requires community and shared experiences, not just autonomy
• Now doing open-source projects, consulting, and building in public on Twitter and Farcaster