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AI’s cash burn problem
Of course it's a bubble, but who survives it?


Happy Tuesday!
AI is pure magic. It automates mundane tasks, can generate photo-realistic images and videos, and it’s perfect for research — like a search engine on 500 mg of vyvanse and Andrew Huberman’s optimization protocol.
But all of that pixy dust comes at a dear cost, and that’s the topic of today’s newsletter.
Plus, headlines from this week in mining, Bitcoin, AI, and more!
And one of our most interesting pods of the year with Chris Stott of Lonestar Data: the company putting data storage on the moon! Scroll to the bottom to find the link!
Headlines By Blockspace
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Strategy logs its 80th Bitcoin purchase, adds 850 BTC after tapping STRF and MSTR ATM
Strategy (MSTR) announced its 80th bitcoin purchase on Monday, acquiring 850 BTC between September 15–21 for $99.7 million at an average price of $117,344 per BTC. - link
Strive to acquire Semler Scientific at 210% premium, adds 5,816 Bitcoin
According to a September 22 company press release, Strive (ASST) entered into a definitive agreement to acquire Semler Scientific (SMLR) in an all-stock transaction at a 210% premium, exchanging 21.05 Strive Class A shares for each Semler common share, and simultaneously purchased 5,816 BTC for $675 million at an average $116,047 per bitcoin.- link
Digital assets draw $1.9 billion as Fed’s “Hawkish Cut” spurs inflows: CoinShares
Digital asset investment products saw $1.9 billion of inflows last week, marking a rebound after months of outflows in the wake of the US Federal Reserve’s “hawkish cut” to interest rates. Investors initially hesitated following the September rate reduction, but $746 million flowed in on Thursday and Friday as markets digested the move. - link
IREN doubles GPU fleet and raises ARR target to $500 million after stock price surge
IREN has expanded its AI Cloud capacity to approximately 23,000 GPUs and lifted its annualized run-rate revenue target for the service to $500 million by the end of Q1 2026, according to a company press release. — link

AI’s cash burn problem
In the Gospel of Matthew’s Parable of the Talents, a master gives three servants talents (currency), 5 for the first servant, 3 for the second, and 1 for the third. The first two invest their talents, doubling their money; the third buries his allowance, making it inert and unprofitable.
The master praises the thrifty two and rebukes the timorous one, with the core lesson being never let opportunities, responsibilities, and resources go to waste.
But what happens when you invest and don’t earn anything to show for it (yet)? Welcome to the AI arms race.
ChatGPT, according to a JP Morgan note, is on track for $13 billion in ARR as of August, and the company is offering a secondary equity offering that values the AI frontrunner at $500 billion.
But OpenAI didn’t reach that valuation from earnings. It achieved it from spending.
OpenAI projects that it will burn $8 billion in 2025 alone on operating activities, and it expects this to balloon to $115 billion for total spend through 2029.
In another JPMorgan note, research analysts forecast that OpenAI won’t see profitability until 2029, but that’s under prior 4-year cash burn guidance, which OpenAI has since revised upward by ~$80 billion to the current $115 billion figure.
Put simply, the electro-silicon alchemy that enlivens our ChatGPT responses comes at cost – a hefty one that is outstripping profits. And this is not just an OpenAI problem – it’s an AI problem.

Luxor Order Book: New Look, Seamless Flow
The Hashrate Order Book platform just got a major upgrade — with a streamlined UI, simplified order placement, and direct integration with Luxor’s mining pool.
Blockspace Podcasts
Three wild stories for Writer’s Room this week. NBA star Kevin Durant finally remembered his Coinbase password after 11 years of locked bitcoin gains, and Michael Saylor revealed how he uses ChatGPT to design revolutionary $6 billion securities offerings. Plus, Monero experienced its deepest blockchain reorganization attack in history.
On today’s Mining Pod, Christopher Stott, the CEO and founder of Lonestar Data Holdings, joins us to talk about putting computer storage in space! Chris explains how Lonestar managed to place a data storage device on the moon (with more to come), why nation states want lunar data backups, why space’s natural cooling and solar power provide optimal conditions for these mini data centers, and why backing up humanity's data off-planet isn't sci-fi but reality.

Where we drop fun topics with nothing to do with Bitcoin.
Yesterday was the first official (for whatever that’s worth) day of fall. In Old and Middle English, folks naturally named the autumn/fall season “harvest,” although poets often remarked of the time as the “fall[ing] of leaves.” Fall would emerge as a standard colloquialism as a result, whereas autumn — from the Latin autumnus for “passing of the year” — eventually won out as the standard in English starting in the 16th century. As it goes with linguistic splits between U.K.-U.S. English, Americans predominantly use fall to name the season.
-CMH
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