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⚡ THE SIGNAL
Built Twitter and Square. Then realized open protocols
matter more than the platforms built on top of them.
🧭 BITCOIN COORDINATES
Bitcoin-only. No altcoins. No hedging. Believes Bitcoin
is the internet's missing native currency.
📍 ENTRY POINT
2019 — Two weeks in Africa. Ethiopia and Ghana showed
him Bitcoin wasn't a thesis. It was survival infrastructure.
🔗 ACTIVE WORK
TBD · Spiral · Bitkey · OCEAN MiningOrigin & Background
Jack Dorsey was born on November 19, 1976, in St. Louis, Missouri, into a middle-class Catholic household that was stable enough to nurture curiosity but ordinary enough to offer no obvious shortcuts to Silicon Valley.¹ His father built mass spectrometers. His mother managed the home. Neither parent pointed obviously toward technology — and yet something in that St. Louis environment produced one of the most consequential builders of the internet era. Let’s explore Jack Dorsey Bitcoin journy in this biography.
As a child, Dorsey was captivated not by games or sport but by the invisible systems that made cities function. Taxi networks, emergency dispatch routes, courier logistics — the live, continuous flow of people and vehicles through urban space held his attention in a way that nothing else did.¹ He taught himself to code and built his own dispatch software to track vehicles moving through a city in real time. This was not a school project or a hobby. It was the first expression of a lifelong obsession with real-time information systems — the same obsession that would eventually drive him to create Twitter.
He studied at the Missouri University of Science and Technology before transferring to New York University, which he left without graduating.¹ The dropout was not aimlessness. It was impatience. He had already found his direction — building systems that moved information between strangers at scale — and a degree was not going to get him there faster.
Pre-Bitcoin Career
Dorsey moved to the San Francisco Bay Area and spent several years working at the intersection of software and urban logistics, refining his thinking about real-time systems. The idea that would define his first decade arrived around 2000: a service that let people broadcast their current status to a small group in real time. What are you doing right now? The answer, transmitted instantly to anyone who wanted to follow. Email and phone calls could not deliver that kind of ambient, continuous social awareness. Nothing yet built could.
The idea did not go anywhere for few years until Dorsey teamed up with Ev Williams and Biz Stone at Odeo, a struggling podcasting startup. When Apple added podcasts to iTunes in 25, Odeo’s business fell apart. Forcing the team look of new ideas. Dorsey pitched his status-broadcasting concept to Willams and Stone. The team built a prototype in just two weeks. On March 21, 2006, Dorsey sent the first ever tweet: *”just setting up my twttr.”*⁵
What happened next is one of the most successful business growth stories in technology history. Twitter rapidly grew from an experimental side project into a global real-communication platform. Everyone from world leaders and journalists to activists and celebrities used it to share thoughts they might not say anywhere else. It became infrastructure for public discourse in a way that no one had fully anticipated — including its creators.¹ Dorsey served as Twitter’s first CEO before being pushed out in a boardroom dispute in 2008. He was publicly gracious about the exist but privately wounded in ways that would sharpen his later convictions about centralized power.
He channeled that energy into his next idea. In 2009 — the same year Satoshi Nakamoto mined the Genesis Block⁴ — Dorsey co-founded Square with Jim McKelvey, a glass artist friend who had lost a sale because he could not accept credit cards.⁵ The founding insight was precise: millions of small merchants had no affordable, accessible way to accept card payments. Banks charged too much. Hardware was expensive and complicated. The barrier excluded exactly the people who needed access most.
Square’s answer was a tiny card reader that plugged into a smartphone’s headphone jack. Suddenly, anyone could accept credit cards without hidden fees or complex contracts. The company expanded into checkout software, payroll, and small business lending, went public in 2015, and eventually rebranded as Block in 2021.⁵
The Twitter board recalled Dorsey as interim CEO in 2015, then confirmed him permanently later that year.³ He ran two public comapnies with characteristic calm. His second tenure brought genuine product improvements: the expansion from 140 to 280 characters, the introduction of Spaces, the acquisition of Revue. It also brought persistent, unresolved tension between Twitter’s identity as a free speech platform and its responsibilities as a moderator of public discourse. That tension followed him until he stepped down in November 2021, handing the role to Parag Agrawal.⁶
By then, Dorsey had already signaled where his deepest convictions were pointing.
The Awekening
To understand Dorsey’s relationship with Bitcoin, you have to understand how he thinks about the internet. To him, the two were always inseparable.
His conviction built slowly across several years, fed by frustrations accumulating on multiple fronts simultaneously. Through Square, he encountered daily the dysfunction of legacy financial infrastructure — the fees, the delays, the arbitrary exclusions, the gatekeeping that served large institutions and ignored everyone else. Through Twitter, he watched centralized platforms exercise unilateral power over speech and financial access in ways that exposed a fundamental architectural flaw. These were not separate problems. They were the same problem. The internet had been built without a native currency, and that absence had forced every monetary transaction back through a pre-digital financial system that was slow, expensive, and structurally exclusionary.⁷
Bitcoin, when he studied it seriously, looked like the fix at the protocol level — money native to the internet, borderless and permissionless, controlled by no single entity.⁷ Just as the internet’s open protocols allowed anyone to build without permission from a central authority, Bitcoin enabled people to transact without permission from a bank or government.⁴
Then came Africa.
In 2019, Dorsey spent two weeks traveling through Ethiopia and Ghana. What he encountered reframed everything. Bitcoin’s value proposition was not theoretical in those places. It was immediate and visceral — communities underserved by banks, facing currency debasement, paying enormous percentages of remittance flows to intermediary fees, hungry for financial infrastructure that did not require anyone’s permission to access.⁸ Dorsey had been thinking about Bitcoin as a technological argument. Africa showed him it was a human one.
“Africa will define the future, especially of Bitcoin.” — Jack Dorsey, 2019⁷
He returned from that trip not with a refined thesis but with a transformed sense of urgency. Bitcoin was not primarily a store of value for wealthy investors in developed countries. It was economic infrastructure for the parts of the world the existing financial system had abandoned.⁸ That realization did not produce a press release. It produced a decade-long commitment that is still unfolding.
Evolution
What distinguishes Dorsey from most corporate Bitcoin advocates is the distance he has traveled — and the consistency of direction across each step.
Block’s Cash App introduced Bitcoin buying and selling in 2018, giving millions of Americans their first direct interaction with Bitcoin through a product they already used for money transfers.⁵ Within a few years, Cash App’s Bitcoin revenue had grown into a multi-billion dollar annual business line — but Dorsey consistently framed this not as a product feature but as a mission: financial access as infrastructure, not as a service to be granted or revoked.
In 2020, Square purchased $50 million in Bitcoin for its corporate treasury — a move that preceded MicroStrategy’s famous accumulation and signaled that the builder class of Silicon Valley was taking Bitcoin seriously in ways that went beyond endorsement.⁵ The same year, Spiral — formerly Square Crypto — launched as a dedicated division funding open-source Bitcoin development entirely independent of commercial return.⁹ Spiral’s mandate was explicit and unhedged: Bitcoin only, no altcoins, no blockchain experiments. Engineers hired, developers funded, infrastructure built for the public commons.
Spiral’s most consequential output was the Lightning Development Kit — a modular library enabling developers to integrate Lightning Network payments without building from scratch.⁹ This was the kind of foundational work that rarely generates headlines but determines what becomes possible at scale. Open-source Bitcoin infrastructure does not build itself, and Dorsey’s decision to fund it without expectation of direct commercial return placed him in a category apart from executives who praised Bitcoin from conference stages and did nothing else.
In 2021, Block announced TBD — a division tasked with building decentralized financial infrastructure on Bitcoin rails.¹⁰ Its flagship project, tbDEX, was a protocol designed to facilitate value exchange without centralized intermediaries, using Bitcoin as the settlement layer. Dorsey’s framing was deliberately ideological: he was not building another fintech product. He was attempting to construct infrastructure that no single company — including Block itself — could control or shut down.
His exit from Twitter that same year accelerated rather than concluded his evolution. Freed from the constraints of running a publicly traded social media company, he threw his support and 14 Bitcoin behind Nostr — a decentralized, censorship-resistant social protocol built on cryptographic key pairs, created by the pseudonymous developer fiatjaf.⁶ The alignment between Nostr’s architecture and Bitcoin’s design philosophy was not coincidental. It reflected how fully Dorsey’s worldview had converged around a single principle: systems that no one controls are more durable than systems that someone does.
When Elon Musk acquired Twitter in 2022, Dorsey’s commentary became pointed. The problem with centralized social platforms was not leadership, he argued. It was architecture. No individual, regardless of their values, should have unilateral power over what billions of people can say and who can be heard.⁶
In 2023, Block invested in OCEAN Mining Pool — a decentralized mining operation founded by Luke Dashjr that returns block template selection to individual miners.¹¹ The move addressed one of Bitcoin’s most serious structural vulnerabilities: the concentration of mining power. It also earned Dorsey credibility among Bitcoin’s most ideologically rigorous community members, who had watched his corporate affiliations with cautious suspicion.
Bitkey, Block’s self-custody Bitcoin hardware wallet, launched commercially the same year — a direct embodiment of the conviction that self-sovereignty requires tools that ordinary people can actually use.⁵
Philosophy & Ideology
Dorsey is not an economist or an Austrian school theorist. He arrived at hard money conclusions through an entirely practical route, and that practicality gives his Bitcoin philosophy a texture that distinguishes it from the academic variety.
His monetary conviction is rooted in the observation that financial exclusion is not an accident. It is an ingrained feature of a system built by and for incumbents.⁸ Bitcoin does not reform that system, it bypasses by offering permissionless access to anyone with a connection, independent of geography, citizenship, or credit history.⁴ For Dorsey, this is not a political argument. It is an engineering observation about what is now possible.
On the technical side, he is an unambiguous Lightning Network advocate. His investments in LDK, TBD’s architecture, and Cash App’s Lightning integration all reflect the conviction that Bitcoin’s base layer must remain conservative and secure while scalability is addressed at Layer 2.⁹ He has shown no interest in alternatives that treat Bitcoin’s protocol constraints as problems to be engineered around rather than foundations to build upon.
His maximalism — the position that Bitcoin is the only cryptocurrency that matters — is not tribal. It is structural. He has argued publicly and repeatedly that the proliferation of alternative tokens fragments attention, introduces unnecessary complexity, and recreates the centralized power structures Bitcoin was designed to dismantle.⁷ His 2021 public dispute with Marc Andreessen over Web3 crystallized this position: so-called decentralized applications built on venture-funded protocols were neither decentralized nor owned by their users.⁶
What holds all of Dorsey’s apparent contradictions together — the man who built Twitter arguing against centralized platforms, the payments CEO funding permissionless finance — is a single consistent thread: open systems beat closed ones, and the most important technology is the technology that gives ordinary people capabilities previously reserved for the powerful.⁷
The Record
Key Appearances
- Bitcoin 2021 Conference, Miami — Keynote
- Bitcoin 2022 Conference, Miami
- Lex Fridman Podcast — Bitcoin, consciousness, and technology
- The Joe Rogan Experience — Bitcoin and decentralization
- CoinDesk Consensus 2019
Connections & Network
- Influenced by: Satoshi Nakamoto and Cypherpunk values of Hal Finney
- Collaborators: Steve Lee (Spiral), Mike Brock (TBD), Luke Dashjr (OCEAN), fiatjaf (Nostr)
- Notable friction: Marc Andreessen (Web3 dispute), Bitcoin privacy advocates (Cash App KYC tension)
Footnotes
¹ Feloni, Richard. “The Morning Routine of Twitter and Square CEO Jack Dorsey.” Business Insider, January 26, 2016. businessinsider.com
² Stone, Biz. Things a Little Bird Told Me: Confessions of a Creative Mind. Grand Central Publishing, 2014.
³ Bilton, Nick. Hatching Twitter: A True Story of Money, Power, Friendship, and Betrayal. Portfolio/Penguin, 2013.
⁴ Nakamoto, Satoshi. Bitcoin: A Peer-to-Peer Electronic Cash System. October 2008. bitcoin.org/bitcoin.pdf
⁵ Block, Inc. Company history and filings. block.xyz
⁶ Dorsey, Jack. “Twitter as a company has always been my sole regret.” Twitter/X, November 29, 2022. twitter.com/jack
⁷ Dorsey, Jack. Public statements on Bitcoin. Twitter/X, various dates, 2019–2023. twitter.com/jack
⁸ World Bank Group. The Global Findex Database 2021. World Bank, 2022. worldbank.org
⁹ Block, Inc. “Spiral — Bitcoin and Lightning Development.” spiral.xyz
¹⁰ TBD. “Web5: An Extra Decentralized Web Platform.” Block, Inc., June 2022. developer.tbd.website
¹¹ Block, Inc. Bitcoin Mining Whitepaper. October 2021. block.xyz/bitcoin-mining
12 Bilton, Nick. Hatching Twitter: A True Story of Money, Power, Friendship, and Betrayal. Portfolio/Penguin, 2013.