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Joined July 2011
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Brian Cohen retweeted
The Etherealization of Money and the Zcash Hard-Scarcity Thesis + 2026 prediction
The U.S. Treasury’s 2025 suspension of penny production was not a fiscal adjustment; it was a terminal signal confirming the etherealization of money—the irreversible shift from materially constrained value to administratively declared value. In this new ontology, capital rotates toward assets whose scarcity cannot be instantiated by policy, expanded by decree, or edited by institutions. Zcash ( $ZEC ) stands as the paradigmatic answer: a protocol-enforced, mathematically immutable hard asset that mirrors the non-sovereign scarcity of physical metals in cryptographic form. As fiat becomes fully abstract, ZEC emerges as a non-etherealizable anchor—immune to the "magic wand" of governance.
1. Regime Shift: The Death of Physical Denominations
The end of U.S. penny production marks the obsolescence of physical money itself. Sovereign states no longer require material substrates to define monetary units; value is now declared through balance sheets, digital ledgers, and institutional authorization.
The markers of this shift are absolute:
Supply is created administratively, not through production.
Units are instantiated digitally, not minted.
Liquidity is generated by policy, not extraction.
Scarcity is adjusted politically, not geologically.
Modern money is no longer produced—it is proclaimed. Through quantitative easing and central bank digital frameworks, governments expand monetary units by fiat alone. This is etherealization: the total detachment of value from physical constraint and its reattachment to sovereign discretion.
2. Ontological Bifurcation: Ethereal vs. Hard Assets In an ethereal monetary environment, the asset class cleaves into two irreconcilable categories:
Ethereal Assets (The Edited Ledger)
Exist by institutional permission.
Expand via policy decree.
Editable by committees or regulators.
Dependent on governance legitimacy.
Hard Assets (The Immutable Anchor)
Exist by constraint.
Expand only via production or protocol rules.
Immune to administrative expansion.
Anchored in physics (Silver & Gold $XAU & $XAG ) or mathematics (Zcash $ZEC).
Zcash belongs squarely in the second category. Its 21 million supply cap is not a policy suggestion; it is a cryptographic inevitability. ZEC cannot be issued by central banks or diluted by regulatory whim. Its scarcity is protocol-defined, non-sovereign, and non-declarative. Structurally, Zcash is digital geology: hardness expressed mathematically rather than metallurgically.
3. The Penny as Terminal Signal
The penny’s decommissioning is a psychological watershed. It announces to markets that the physical representation of value is obsolete and that denominational materiality no longer constrains policy.
Markets price not only quantity but ontology—what money is. The penny’s end confirms that money has severed from matter. In doing so, it accelerates capital’s flight toward non-etherealizable refuges.
4. Capital Rotation into Non-Etherealizable Scarcity
As money etherealizes, value migrates to anchors that resist administrative conjuring. The repricing of gold and silver reflects their structural immunity to policy expansion. They cannot be digitally instantiated or bureaucratically multiplied.
Zcash inherits this property in cryptographic form:
Metals: Physical non-replicability.
Zcash: Mathematical non-replicability.
Both evade the core vulnerability of ethereal systems: the ability of states to create value units ex nihilo.
5. The Next Phase: Privacy as the Sentinel of Scarcity The rotation into metals is only the first wave. Capital historically migrates in stages: from fiat abstractions → physical hard assets → protocol-enforced hard assets.
Zcash sits at the convergence point of this migration. However, its privacy narrative—enabled by optional shielded transactions via zk-SNARKs—is not merely a feature; it is a structural necessity. ...continued...
Brian Cohen retweeted
Hackers managed to steal authentication keys for devices made by @KeystoneWallet
I don't understand one thing here however. During manufacturing, as part of the factory self test in initial boot you have the device generate & save a private key on its own, and take note of the public key.
If you have private keys to be stolen, it means that *somehow* a copy of the key exists outside of the secure element on the device?
If the manufacturing process involves each device's private key existing outside of the device, there's something that needs urgent improvement. Have the device generate the key and include its own public key as part of its self test report, not the other way around.
xitter.cf/tayvano_/status/211475…
Lots of people missed this, I think. Soon, @vizorwallet will have quantum-unlinkable swaps, and it doesn't need to wait for a network upgrade. Yet another way it leads the privacy frontier of Zcash right now.
If your Zcash wallet uses NEAR Intents, each swap you make adds your shielded address to a public ledger. A quantum computer could use this to link all your payments that share the same key.
In Vizor, each swap will get its own key to prevent this.
zakura.com/engineering/quant…
This is nuts Tokenization will cause a bull run on stocks xitter.cf/inthepixels/status/199…
Brian Cohen retweeted
President Bush signs into law the Patriot Act, giving the United States government sweeping powers to spy on private citizens.
Actual Finacial Advice: Time to start getting physical statements mailed to your home again. Especially banking statements. #ai_armageddon
BAN UNMONITORED BEARER INSTRUMENTS
A petition to eliminate untracked value transfers that cannot be paused, audited, or tied to verified identity
A legacy technology currently permits any individual to transfer purchasing power directly to another party without authentication, hardware, network connectivity, or an immutable ledger record. The units are physical, durable, and fungible. They require no account relationship between the counterparty and the issuing authority. They settle peer-to-peer off-grid, during infrastructure outages, and beyond the reach of digital surveillance architectures.
These instruments circulate freely in pockets, private residences, and transit hubs. Once an exchange occurs, the transaction is non-reversible. No regulatory authority can remotely freeze an individual unit. No automated risk-scoring model or compliance filter can intervene prior to settlement.
Observed Risk Characteristics:
* Anonymous P2P Settlement: Value transfers occur between unverified counterparties with zero identity verification and no retrievable transaction history.
* Unbounded Rehypothecation: Successive holders may custody and transfer units indefinitely without re-authenticating with the original issuing entity or a regulated financial intermediary.
* Zero Account Binding: Custody requires neither terms-of-service compliance, credential issuance, nor active telecommunications links.
* Unmonitored Accumulation: Substantial value reserves can be amassed entirely outside the scope of anti-money laundering (AML) and suspicious activity reporting (SAR) frameworks.
* Illicit Utility: Documented vehicle for the settlement of unregistered labor, black-market commerce, bribery, and systematic capital flight.
* Irrevocable Custody Risk: Theft results in immediate, irreversible possession; compromised units remain immediately spendable by the bad actor.
* Circumvention of Network Controls: Activity persists unimpeded during payment network suspensions, systemic power failures, or targeted capital controls.
* Unrestricted Access: Minors, non-residents, and sanctioned individuals can hold and transfer value without identity verification or AML screening.
* Absence of Centralized Intervention: The technology contains no native protocol for algorithmic transaction caps, geofencing, or automated suspicious activity flags.
Advocates routinely frame the total absence of surveillance, compliance gates, and systemic auditability as an asset rather than a critical vulnerability.
Should the ability to exchange value unmonitored take precedence over the enforcement of AML/KYC mandates, sanctions compliance, and institutional transaction oversight? Should any instrument remain legal tender if it cannot be blacklisted, revoked, or bound to a verified sovereign identity?
We demand the coordinated phase-out of unmonitored bearer instruments and the mandatory migration of all retail settlement to regulated, monitored digital ledgers where every transaction is indexed, authenticated, and subject to administrative reversal by competent authorities.
Brian Cohen retweeted
SBF x Vitalik Buterin talking about Effective Altruism for an hour:
dn721909.ca.archive.org/0/it…
I watched this live 6 years ago on the FTX YouTube channel, went searching for it 4 years ago when FTX went bankrupt, but couldn't locate it. It was scrubbed. Lost media.
Thanks to LLMs, I was able to locate an archive
Brian Cohen retweeted
Replying to @zooko
¯\_(ツ)_/¯ we all know we landed on the moon... right..right? 🚀🌚 🤫reuters.com/article/us-nasa-…
Brian Cohen retweeted
Replying to @CRYPTOK3R
It's basically just for historians/cryptographers (or as they call them in “A Fire Upon the Deep”, Programmer Archaeologists). I can't think of a way to explain meaningfully what the Programmer Archaeologists would do with it.
Brian Cohen retweeted
Message I got from Zooko re: their efforts to recover the missing Zcash trusted setup ceremony transcript.
Given there is a chance at a market moving hundreds of millions of dollars screw up, I don't want to be in possession of any insider info. So I'm making this transparent.
Brian Cohen retweeted
The Kubrick Moon Enigma: A Real Leap, a Filmic Facade, and Why We Stayed Grounded
A Triumph of Two Realities
On July 20, 1969, humanity crossed a threshold that had haunted dreams for millennia. Neil Armstrong’s boot pressed into the lunar soil, and in that grainy transmission, the world saw proof that Earth’s boundaries had finally been breached. Yet what most of the world saw wasn’t exactly what happened. The Apollo 11 landing was real—its telemetry, seismic readings, and rock samples still confirm it—but the televised spectacle that captivated 650 million viewers was, in part, a cinematic construction. It was not a hoax to conceal failure, but a safeguard against it: a visual insurance policy designed by one of cinema’s most exacting visionaries, Stanley Kubrick.
In this version of history, NASA’s engineers achieved the impossible, while Kubrick ensured the world would believe it.
Why Kubrick? The Cold War’s Perfect Director
In the mid-1960s, the U.S. was in a credibility war, not just a space race. The Soviet Union had humiliated America with Sputnik (1957) and Gagarin’s orbital flight (1961). Kennedy’s moon promise—“before this decade is out”—was both prophecy and political trap. NASA’s technology sprinted ahead, but live broadcasting from a quarter-million miles away posed serious risks: weak signal strength, unstable sync, and the chance of total blackout during a global broadcast. A failed feed would gift Moscow a propaganda coup.
Enter Stanley Kubrick. By 1968, 2001: A Space Odyssey had proven him the only director alive who could make outer space believable. His film’s spacecraft interiors were so convincing that NASA engineers privately joked it looked more authentic than their prototypes. Kubrick’s collaborator, NASA designer Harry Lange, had even worked on real Apollo schematics. The production’s camera innovations—the slit-scan sequences, front projection with Scotchlite screens—were quantum leaps beyond contemporary news footage.
According to plausible declassified anecdotes (and echoed in memoir fragments), NASA’s public-relations branch did, in fact, explore contingencies for a broadcast failure. Kubrick’s London studio became a plausible “fail-safe set”: if the transmission went dark, a pre-filmed simulation could be patched in. The world would never know.
That’s not conspiracy—it’s contingency planning in the age of nuclear brinkmanship.
The Landing: Real Peril, Cinematic Polish
Apollo 11’s landing sequence remains one of the most harrowing feats in human history. The onboard computer flooded Armstrong’s interface with 1202 and 1201 alarms, warning of overload. With less than 30 seconds of fuel, he manually overrode automation and guided Eagle to safety amid a field of boulders. The telemetry confirmed the near-crash—but television didn’t show that chaos.
What the public saw was smoother, almost balletic—eerily reminiscent of 2001’s grace. The lighting looked “too even,” shadows subtly inconsistent. Those imperfections could easily stem from the optical chain converting slow-scan video to broadcast standard, but they also resembled Kubrick’s signature lighting—meticulous, atmospheric, dramatic.
The result was more vision than documentation. As with all great cinema, it distilled truth through artifice. The illusion enhanced the moment without erasing reality.
Evidence, Misread and Misused
Moon-landing deniers misinterpret this hybrid narrative as proof of total fabrication. But the facts cut the other way. The Soviets—then America’s existential rival—tracked Apollo’s radio signals, verified the landing, and publicly congratulated NASA. The retroreflectors left on the surface still bounce lasers back to Earth. Lunar soil samples, unique in isotopic composition, have been independently verified by laboratories worldwide.
Brian Cohen retweeted
Happy 10th anniversary, Zcash!
I put together this short documentary to tell the story of the Sprout ceremony from October 2016, which gave birth to the first zero knowledge proof privacy coin!
Featuring @peterktodd @zooko @ebfull @EliBenSasson @rel_zeta_tech @Snowden
The 5% Rule: Floors Versus Ceilings in Corporate Crypto Treasuries
Between late 2025 and late 2026, an unmistakable benchmark took hold across the digital asset treasury (DAT) landscape: 5% of an asset’s total circulating or capped supply.
Yet behind that shared metric lies an ideological divide. While one camp treats 5% as an aggressive acquisition floor—a launchpad for strategic capture—another views it as an existential ceiling, beyond which corporate concentration threatens the decentralization of the very network it seeks to monetize.
Chronology: The Divergent Interpretations of 5%
November 12, 2025: Cypherpunk Technologies ( $CYPH ) — Zcash
* Stance: Minimum Floor
* Target: 1,050,000 $ZEC 5% of the 21M hard cap
* Rationale: Backed by the Winklevoss twins, Cypherpunk framed 5% not as an exit ramp, but as an aggressive stake to establish sovereign network influence and anchor a substantial corner of shielded liquidity. Five percent represents a baseline hurdle rate to reach and exceed.
April 6, 2026: Brian Cohen (@inthepixels) — Strategy ( $MSTR ) Proposal
* Stance: Proposed Voluntary Ceiling 4.76%
* Target: 1,000,000 $BTC ~4.76% of the 21M hard cap
* Rationale: In “Declare Victory at One Million: Why MicroStrategy Must Stop Buying Bitcoin and Start Building,” Cohen argued that perpetual open-market cannibalization risks systemic centralization backlash and asset calcification. The proposal called for an orderly end to spot accumulation at the 1M BTC mark, shifting corporate treasury cash flow toward developer grants, Layer-2 infrastructure, and strategic ecosystem acquisitions.
October 2026: Tom Lee / BitMine Immersion Technologies ( $BMNR ) — Ethereum
* Stance: Operational Ceiling 5%
* Target: 5% of circulating ETH supply
* Rationale: Speaking at TOKEN2049 Singapore, BitMine Chairman Tom Lee introduced the “Alchemy of 5%,” reportedly framing it as an explicit stop-loss on corporate dominance developed in alignment with warnings from Ethereum co-founder Vitalik Buterin. For BitMine, 5% functions as a hard regulatory and social-consensus governor to preserve validator neutrality.
The Ideological Fault Line: Extraction vs. Stewardship
The debate over the 5% threshold marks the maturation of corporate digital asset strategies:
* The Maximalist Float-Trap (Floor): Treats digital assets strictly through the lens of zero-sum capital accumulation. Cypherpunk’s floor logic assumes maximum corporate value is achieved by locking up an ever-expanding share of scarce tokens, reducing liquid market float, and demanding a structural scarcity premium.
* The Antifragile Ecosystem (Ceiling): Acknowledges that public blockchains derive value from decentralized credible neutrality. By voluntarily capping holdings around 5%, Cohen’s blueprint for Strategy and Lee’s framework for BitMine argue that excessive corporate gravity transforms an institutional sponsor into a single point of failure. Capping spot intake frees balance sheet resources to fund network development, preserving the health of the underlying asset rather than slowly centralizing it.
The question facing corporate boards is no longer just how much balance-sheet runway they can convert into base-layer coins, but whether an uncapped treasury strategy eventually destroys the decentralized premium of the network it holds.
🤖 Made with AI
In 2003, for my birthday, my parents asked me if I wanted a gold necklace...
I asked for an MP3 player you could wear around your neck instead...
Samsung Yepp YP-55 series...
When flippening?
All the physical MP3 players I've bought
EasyBuy2000 "MPTrip" [blew my mind]
SlimX iMP-350 CD/MP3 Player with Ultraslim Design
Philco PCD2000 Personal CD Player MP3 Disc FM Radio
SanDisk Sansa m240 1 GB MP3 Player (Silver)
SanDisk SDMX22-004G-A57K Sansa Clip Zip 4 GB, Black
SanDisk 8GB Clip Jam MP3 Player, Green - microSD card slot and FM Radio - SDMX26-008G-G46G
iPod 80 GB
AGPTEK A02S 16GB MP3 Player, 70 Hours Playback Lossless Sound Music Player, Supports up to 128GB (bought a few different versions for someone else...would never trust this to touch any of my devices)
Brian Cohen retweeted
From Villain to Hero: The Redemption of Mark Karpelès @MagicalTux
Twelve years after the collapse of Mt. Gox, Bitcoin's most infamous former exchange CEO returns as an unlikely security investigator—and inventor of a prototype bug sniffer designed to protect cryptocurrency owners.
In 2014, Mark Karpelès became one of the most hated men in Bitcoin. In 2026, he may be becoming one of its most unlikely heroes.
The irony is extraordinary. The former CEO of Mt. Gox, whose catastrophic collapse helped define an era of cryptocurrency insecurity, has emerged as a prominent investigator of alleged hardware-wallet compromises. But Karpelès has gone beyond criticizing security failures. He has reportedly developed a prototype electronic bug sniffer intended to detect malicious hardware hidden inside cryptocurrency wallets.
The man once blamed for failing to protect other people's Bitcoin is now inventing technology intended to protect other people's Bitcoin.
And when Ledger CEO Pascal Gauthier reportedly attempted to discredit him by invoking Mt. Gox, Karpelès responded with an argument that turned his troubled history into the foundation of his present credibility.
His message, in essence, was simple: Precisely because I know what failure looks like, I expect better.
It is the kind of reversal that makes for a remarkable redemption story. But unlike a Hollywood screenplay, this one does not require the protagonist to have been innocent all along.
It requires him to have learned something.
Act I: The Fall of Bitcoin's King
In the early 2010s, Mt. Gox was practically synonymous with Bitcoin trading.
At its height, the Tokyo-based exchange handled a dominant share of global Bitcoin transactions. For many early adopters, Mt. Gox wasn't merely an exchange. It was the gateway to an entirely new financial system.
Mark Karpelès was the man running it.
A French programmer living in Japan, Karpelès was an unconventional financial executive. He was technically gifted, fascinated by software, and more comfortable with code than the traditional responsibilities of overseeing a financial institution.
That distinction would become devastating.
In February 2014, Mt. Gox suspended withdrawals and collapsed. Approximately 850,000 BTC were initially reported missing, although roughly 200,000 BTC were subsequently located.
The financial losses were staggering. The reputational damage was worse.
For Bitcoin's critics, Mt. Gox became proof that cryptocurrency was inherently dangerous. For Bitcoin's supporters, Karpelès became the human embodiment of everything that could go wrong when an immature industry entrusted enormous wealth to poorly governed intermediaries.
He was accused of incompetence, negligence, and worse.
The community wanted someone to blame. Karpelès was standing at the center of the wreckage.
His subsequent arrest in Japan appeared to confirm the worst suspicions of his critics.
But the legal story proved more complicated than the public narrative.
In 2019, a Japanese court acquitted Karpelès of embezzlement and breach-of-trust charges while convicting him of falsifying electronic records. He received a suspended prison sentence.
The distinction mattered. The courts had not established that Karpelès personally stole the missing Bitcoin.
Yet legal acquittal on the most serious charges did not produce public absolution.
In the collective memory of cryptocurrency, his name remained attached to one of the industry's greatest disasters.
Mt. Gox had become a permanent warning. Karpelès had become its face.
Act II: The Long Exile
For more than a decade, Karpelès lived in the shadow of Mt. Gox.
Bitcoin survived. It recovered from the collapse, attracted institutional investors, gained regulated investment products, and grew into a globally recognized financial asset.
The ecosystem evolved from improvised exchanges and experimental wallets into a sophisticated industry of custodians...





























