Breaking profile Patrick Larsen built for the part of crypto that still ends in paperwork Navy pilot to fintech founder Seattle, Washington

People / Founders / Fintech

Patrick Larsen Chose Crypto's Least Glamorous Problem - and Made It His Mission

A Navy helicopter pilot, investment banker and Amazon operator walked into the crypto boom. He ignored the coins and built the paperwork.

Patrick Larsen did not arrive in cryptocurrency through a fever dream about replacing money. He arrived through a spreadsheet problem. In 2017, digital assets were performing their loud, peculiar carnival: token launches, vertiginous charts, fortunes made before lunch and theories of everything by dinner. Larsen looked beyond the spectacle and saw an obligation with no taste for spectacle at all. Somebody would eventually have to explain every trade to the tax authorities.

The exchanges did not share a common memory. Wallets recorded movement without explaining intent. A transfer could look like a sale; a reward could look like a gift; a vanished platform could take an investor's cost basis with it. The mathematics of a capital gain was familiar. Establishing what had happened before applying the mathematics was the adventure.

Larsen knew something about operating when the available information is incomplete. He had studied materials science chemistry at the United States Air Force Academy, graduating in 2002, first in his major and after four years on the dean's list. He then became a Navy officer and helicopter pilot, flying search-and-rescue and combat medevac missions. His own shorthand for that chapter is plain: a couple of tours, mission commander, contingency plans for everything.

“I want to help build the infrastructure in the space because I think it's growing fast.”Patrick Larsen, 2020

The next chapters accumulated a different set of instruments. An MBA from the University of Chicago Booth School of Business. A year in M&A investment banking. A retail business role at Amazon, where ZenLedger's biography for him notes responsibility for a $100 million P&L. Startup work followed, including Profitics and a head-of-product role at Viral Content System. Chemistry, aviation, banking, commerce and software can resemble five strangers on an elevator. Crypto tax reporting gave them a reason to introduce themselves.

A problem small enough to hold, large enough to matter

Larsen has described looking for the overlap between two fields where he had an edge: finance and technology. His preference was not to become the top fraction of one narrow specialty, but to work where two uncommon competencies met. As crypto became inescapable in 2017, he talked with founders, studied use cases and decided he did not want to issue a token. He wanted infrastructure.

Taxes appealed partly because the idea could, in his phrase, “fit in a box.” The team could understand the customer, the inputs and the promised output. Retail participation was rising while the IRS was pressing Coinbase for customer records. Traders were discovering that moving quickly across a decentralized system did not decentralize the annual filing deadline.

People kept telling Larsen how cumbersome it was to keep records and stay on the right side of the IRS. He joined Bryan Starbuck and other early collaborators to build ZenLedger. The proposition was refreshingly terrestrial: import transactions, reconcile the history, calculate gains and income, and turn the result into reports a taxpayer or accountant could use.

2017Company founded during the ICO boom
10Weeks to the early MVP
$27MTotal funding reported by May 2022

The first deck, Larsen later wrote, was ugly. There was no live code and there were no customers. There was something more important: the investors they approached already understood the problem because many were buying crypto themselves. ZenLedger did not need to explain why the pain might exist. It needed to persuade them that this team could remove it.

Larsen delivered roughly 75 pitches around the first note. The team raised $300,000, deliberately declining additional commitments, and put an MVP into the market in ten weeks. Then crypto prices collapsed. By April 2018, the decision to take less cash looked considerably less elegant. They found more angel funding, kept pitching and kept the company alive.

Patrick Larsen during a Thinking Crypto video interview
Interview mode: Larsen discussing tax software, regulation and the 2022 crypto winter. The market changes costumes; the reconciliation work remains.

The CEO as keeper of options

Larsen's most revealing writing is not victory-lap prose. It is a long, slightly unruly fundraising diary full of incorrect assumptions, near misses and unflattering logistics. During a family Christmas trip to Osaka in 2017, jet lag woke him at 2 a.m. local time, conveniently the start of the Pacific workday. He scheduled investor calls while his wife and children slept. One photograph caught him on his sister-in-law's bathroom floor at 3 a.m., talking softly into a video call.

Months later, he reviewed a $1 million term sheet while his wife was in early labor with their third child. Without the financing, the company would run out of cash. He put down the laptop; the child arrived safely. The scene is funny only because everything turned out well. In the moment it held family, money, duty and absurdity in one small room.

“Funding just means we have the opportunity to keep building a business.”Patrick Larsen, on raising capital

He calls the CEO, in this context, the Chief Survival Officer. A funding announcement is not the summit. It is oxygen for the next climb. ZenLedger reached a $1.5 million venture round in 2018, a $3.4 million round in 2019, a $6 million Series A in 2021 and a $15 million Series B led by ParaFi Capital in May 2022. GeekWire reported that the company then had more than 50,000 users and 47 employees.

The numbers matter, but Larsen's account of how they happened is more reusable. Maintain a low burn. Assume fundraising takes longer than expected. Let the pitch improve through repetition. Ask existing investors what you are missing. Build relationships before the company needs rescue. One investor relationship developed over two years of updates and conversations before producing a check and another introduction.

01

Find the compulsory chore

A booming market creates glamorous products and unavoidable cleanup. The cleanup can have steadier demand.

02

Make uncertainty legible

A checklist, transaction history or candid investor update turns vague danger into a sequence of decisions.

03

Treat survival as progress

Runway is not glory, but it preserves the team long enough for skill, timing and customer trust to compound.

Clear eyes, backup plans, a joke when available

There is a pleasant refusal of founder mythology in Larsen's essays. He celebrates anyone who attempts a company, regardless of the outcome. He warns that investors are often rational to say no. He writes about accepting a lower valuation after an adviser talked him down, because pride was less useful than two or three years of operating cash. He admits that turning down another term sheet nearly killed the business.

His essay on preparing for tough fights begins with a childhood ambition to play professional basketball. At five feet eight inches, the probabilities were doing impolite things to the dream. He uses the story to argue for choosing competitions honestly: understand the rules, know your advantages, prepare deeply, carry a backup plan and separate a lost contest from your worth as a person.

That same temperament explains the appeal of crypto accounting. ZenLedger cannot make blockchains behave like a single bank statement. It can build a workflow that notices gaps, distinguishes transfers from disposals, ingests exchange and wallet records, and produces an audit trail. The company expanded from individual filing into tools for tax professionals, portfolio tracking and enterprise compliance. The front edge of crypto kept changing; the demand for an intelligible history followed behind it.

The work also rewards the unshowy discipline of customer support. Early on, Larsen treated service and automation as the paired offering: software would handle the repeatable work, while a person remained available when the data refused to cooperate. That distinction matters in tax software, where a mislabeled transaction is not merely an untidy row. It can alter every figure downstream. Larsen's own help-center articles begin with the same operational demand he brought to fundraising: get the complete picture before judging the result. Upload every transaction first. Check what is missing. Correct the record. The advice sounds almost comically modest beside crypto's grand theories. Modesty is useful when the numbers must reconcile.

Larsen has said the company saves customers time, gives them accurate reports and offers peace of mind. The last phrase is the product hiding inside the product. Nobody displays a beautifully reconciled Form 8949 beside the holiday cards. People simply want April to contain fewer ghosts.

His public interests stretch beyond taxes. He writes about competitive strategy, investor communication and the craft of building companies. His profile mentions startups, technology, military life, adventure and family. He has volunteered with Seattle parks and public schools. At the academy he qualified in gliders and free-fall parachuting. Even the ledger fellow, it appears, enjoys leaving the ground.

“Play the longer game.”Patrick Larsen

The longer game is visible in the business he chose. Prices rise and fall. Exchanges open, merge and disappear. New instruments create new names for old accounting questions. The obligation to reconstruct what happened is stubborn. Larsen built around that stubbornness, applying a pilot's contingency habit, a banker's concern for the numbers and an operator's taste for repeatable workflows.

Crypto promised to reinvent finance. Patrick Larsen found work in the footnotes, where reinvention meets the calendar. It is less cinematic than a helicopter and more consequential than another white paper. Somewhere, a wallet is missing its cost basis. The mission continues.