SiggeB
Active Pivian
Bitcoin passes most of the classical tests for money. The one it fails isn’t small.
The original article was published today on medium: https://medium.com/pivx/sound-money-needs-more-than-scarcity-3576667106a6
Bitcoin’s case for being sound money rests on a real, serious argument, one worth taking at full strength before questioning any part of it. Economists have used a standard set of properties to evaluate candidates for money for a very long time: durability, portability, divisibility, verifiability, scarcity, and fungibility. Bitcoin’s advocates didn’t invent this framework to flatter their asset. It predates Bitcoin by centuries. It’s also the right framework to actually use here, because it lets both Bitcoin and PIVX be measured against the same bar, rather than one built to favor either side.
Run Bitcoin through it honestly, and it earns high marks on almost everything.
Where Bitcoin genuinely delivers
Durability: a Bitcoin can’t rot, corrode, or degrade, its existence is guaranteed by a distributed network rather than a physical object that can be damaged or lost to time. Portability: value that once required an armored truck to move now moves at the speed of a broadcast transaction, across any border, to anyone, without asking permission. Divisibility: a single bitcoin splits into 100 million satoshis, fine enough for any transaction size that matters. Verifiability: anyone can audit the entire supply and every transaction in it, no trust required, no institution’s word to take.
And scarcity, the property Bitcoin is most famous for, is real and mathematically enforced. 21 million coins, full stop, a supply schedule no committee can vote to change. That’s a genuinely hard thing to build, and it’s why Bitcoin earned the nickname “digital gold.” The comparison is apt in more ways than one, which becomes relevant in a moment.
Where it fails, and fails structurally
Now the sixth property: fungibility. This is where the classical case for Bitcoin as money runs into a problem that isn’t small, isn’t temporary, and isn’t fixable without changing what Bitcoin fundamentally is.
Fungibility means every unit is interchangeable with every other unit, no bitcoin should be worth more or less, or more or less usable, than any other bitcoin, based on where it’s been. That’s not a nice-to-have for money. It’s close to the whole point. Money exists so strangers can transact without needing to investigate each other’s history first. The moment a currency’s units start carrying baggage, that function breaks down.
Bitcoin’s entire transaction history sits permanently on a public ledger, visible to anyone, forever. In practice, this doesn’t stay theoretical. Chain-analysis firms exist specifically to trace that history, and exchanges and custodians routinely act on what they find, flagging, discounting, or outright refusing coins whose history touches a mixer, a sanctioned address, or anything else their algorithms don’t like. That means, in the real world, not every bitcoin is treated the same. Some are worth less, or worth nothing at certain venues, purely because of where they’ve been, through no action of the current holder. That’s a textbook fungibility failure, and it’s structural, not a bug that gets patched. It’s the direct, unavoidable consequence of a permanent public ledger, the same design choice that gives Bitcoin its verifiability.
Give Bitcoin its due for the trade-off it made. Public verifiability is genuinely valuable, and Bitcoin chose it deliberately. But a currency can’t fully deliver both total transparency and full fungibility at the same time. That’s not a criticism, it’s a fact about what each design choice costs. Bitcoin picked transparency. The bill for that choice comes due exactly where fungibility is supposed to live.
What changed since 2009
It’s worth being precise about why this wasn’t always the obvious criticism it is today.
In 1993, Eric Hughes’ Cypherpunk Manifesto laid out a goal that Bitcoin, launched in 2009, did more than anything before it to actually deliver on: money that didn’t require permission from, or visibility to, any institution. And for Bitcoin’s first several years, that promise held up reasonably well in practice, not because the ledger wasn’t public, it always was, but because almost nobody had built the tools needed to actually exploit that transparency at scale. Chainalysis, the company that essentially invented commercial blockchain forensics, wasn’t founded until 2014, five years after Bitcoin launched, and it was born directly out of investigating the Mt. Gox collapse, not out of some pre-existing surveillance infrastructure waiting for Bitcoin to arrive.
That gap has closed entirely. Blockchain forensics is now a multi-billion-dollar industry, Chainalysis alone has raised over $500 million and is valued at $8.6 billion, serving governments, exchanges, and banks across dozens of countries. KYC requirements are close to universal at any on-ramp or off-ramp a normal person would actually use. And the tooling keeps compounding: Chainalysis’s own current marketing explicitly promotes AI systems built to scale investigation and compliance work to, in the company’s own words, the speed of crypto. What took a determined analyst days to trace by hand a decade ago, an automated system now does continuously, at scale, across the entire chain, indefinitely.
None of that required Bitcoin to change. The ledger works exactly the way it always did. What changed is everything built to read it. A design that delivered on the manifesto’s promise reasonably well in 2009, simply by virtue of nobody having built the surveillance layer yet, doesn’t deliver on that same promise by default in an environment where deanonymizing a public ledger is now a mature, well-funded, AI-assisted industry. The values haven’t moved. The technology required to actually protect them has, and Bitcoin’s architecture was fixed years before that technology arrived.
The other classical question: does anyone spend it?
There’s a second, quieter problem worth taking seriously, and it’s one mainstream monetary economists were making arguments about long before cryptocurrency existed, not a crypto-native complaint invented to attack Bitcoin specifically.
An asset that’s widely expected to keep appreciating faster than the price of goods and services gives its holders a straightforward, rational incentive: hold it, don’t spend it. Every purchase becomes an opportunity cost against a rising asset, and the smart move, individually, is always to wait. That’s a fine strategy for a savings vehicle. It’s a real problem for something trying to also function as a medium of exchange, the thing that actually circulates and gets used, rather than sitting untouched in cold storage. This is precisely why most functioning currencies, historically and today, target mild, predictable, positive inflation rather than a hard cap or deflationary schedule, not because inflation is virtuous in itself, but because a currency people are incentivized to hoard is failing at half of what money is supposed to do.
PIVX’s supply isn’t fixed. It follows a disclosed, algorithmic tail emission, a fixed, flat number of new PIV created every block, indefinitely, rather than a hard cap or a halving schedule that eventually approaches zero. The absolute emission doesn’t shrink. What does shrink, steadily, is the resulting inflation rate as a percentage of total supply, since the same flat number of new coins matters less every year against an ever-larger base. That’s a deliberate design difference, not an oversight, and measured against the classical goal of money that actually circulates, it points the right direction. A currency whose supply grows slowly and predictably gives holders less reason to sit on it indefinitely, and more reason to treat it as something meant to move.
Where this actually lands, and it isn’t “sell your Bitcoin”
None of the above is an argument that Bitcoin is a bad place to store wealth. Its scarcity case is real, its track record is real, and plenty of people have entirely legitimate reasons to hold it for exactly that purpose. I’m not arguing that PIVX should replace Bitcoin as a store of value. That would be a much weaker, much less interesting point, and it isn’t the one worth making.
The actual argument is narrower and, I think, considerably stronger: Bitcoin cannot fix its own fungibility problem without abandoning the transparent ledger that makes it Bitcoin. That gap doesn’t need to stay open, though, because nothing requires that the same asset handle both jobs, storing value and moving privately through the world, by itself.
Think of it as two different moments in money’s life, not two competing coins fighting for the same role. Bitcoin can do what it does best: sit as a scarce, durable, verifiable store of value, digital gold, held for years, unspent. PIVX exists for the other moment, when value actually needs to move, when it stops being savings and becomes a purchase, a payment, a transaction with another human being who doesn’t need or deserve a window into everything that wallet has ever touched. PIVX’s zk-SNARK shielded transactions break the public trail at exactly that junction. Not by hiding a crime. By restoring the property money is supposed to have by default, and that Bitcoin’s own design permanently forecloses on: no history attached to the unit changing hands.
The one honest caveat worth stating plainly: getting from Bitcoin to PIVX still requires an exchange somewhere, and if that exchange is the kind that collects your identity, a link could exist at that single point. This is worth taking seriously rather than waving away. It’s also a solved problem in practice, not a theoretical gap. PIVX’s own website lists a range of exchanges that require no personal information at all, swap services built specifically around no registration, no email, and no KYC, several explicitly designed for exactly this kind of private conversion. Once PIVX is in a shielded wallet, spending it doesn’t require going back through a centralized, identity-linked venue at all, there are already real ways to convert PIV directly into everyday purchasing power, gift cards, goods, and services, without an account or a KYC form anywhere in the chain. The mechanics exist today. The gap between “sound store of value” and “actually private to spend” isn’t hypothetical, and it isn’t unsolved.
The reframe
This article was never really about Bitcoin versus PIVX, and treating it that way undersells the actual point. Bitcoin built something genuinely remarkable: scarce, verifiable, portable digital value, the store-of-value half of sound money, done about as well as it can be done on a fully public ledger. What it can’t do, by its own founding design choice, is fix its fungibility on its own. That’s not a failure of effort or imagination. It’s the direct cost of the transparency Bitcoin chose on purpose.
PIVX isn’t trying to win the store-of-value argument. It’s built for the part of sound money that Bitcoin’s own architecture permanently can’t provide for itself, privacy at the moment value actually moves, from savings into the world, between one person and another, the way money was always supposed to work before every transaction came with a permanent, public paper trail attached.