On-chain analyst James Examine has pushed again towards claims {that a} quantum-enabled sale of Satoshi-era Bitcoin would characterize an existential market shock, arguing that the doubtless sell-side strain is way smaller than the headline numbers recommend.
In an April 23 report titled “Promoting Satoshi’s Stack,” Examine examined the controversy over whether or not Bitcoin ought to freeze quantum-vulnerable cash if a cryptographically related quantum laptop, or CRQC, turns into viable. The dialogue has intensified round older Bitcoin outputs whose public keys are uncovered, together with cash from Bitcoin’s earliest years that many market members affiliate with Satoshi Nakamoto.
Bitcoin Quantum Fears Over Satoshi’s Cash Overblown?
Examine’s central argument isn’t that quantum threat must be ignored. He stated Bitcoiners ought to assist “the controversy, growth, and preparation” of credible post-quantum options. However he rejected the concept that weak cash routinely translate right into a market-ending promote occasion.
“Quantum bulls typically quote the 6.9M weak cash as being a sword of Damocles that threatens to kill Bitcoin ought to a CRQC ever come to market,” Examine wrote. “As with most issues, there’s a tonne of misplaced nuance, and the satan is totally within the particulars.”
In accordance with the report, roughly 6.934 million BTC presently fall into classes that might be weak to long-range quantum assaults as a result of their public keys are uncovered. That features 1.716 million BTC in Satoshi-era P2PK outputs, 214,000 BTC in Taproot addresses, and about 4.996 million BTC held in reused addresses.
Examine argues that the complete 6.934 million BTC determine is finest understood as a theoretical higher certain slightly than a practical market-risk estimate. Taproot is comparatively new, he famous, which means many homeowners are doubtless nonetheless lively and in a position to migrate. Reused addresses, in the meantime, doubtless embody massive volumes managed by exchanges, custodians, ETFs and different entities with each the inducement and capability to improve when post-quantum paths develop into out there.
“The actual threat are the 1.716M Satoshi Period P2PK cash, which many liken to a sunken galleon filled with gold, there for the taking if the lock may be pried open,” Examine wrote.
Even below a extreme assumption that every one 1.716 million P2PK cash are stolen and offered, Examine stated the market influence would doubtless be vital however not deadly. He in contrast the haul towards revived provide, URPD shifts, trade deposits and buying and selling volumes, discovering that the complete P2PK steadiness is broadly equal to about 60 to 90 days of sell-side exercise seen in Bitcoin bull markets or late-stage bear-market capitulations.
“There isn’t a doubt {that a} QC attacker promoting all of the P2PK cash would negatively influence the value. It most likely creates a bear market. Nonetheless, the place will, I push again strongly, is it’s nowhere close to the ‘end-of-days’ deadly sell-side many quantum bulls within the debate appear to say.”
Examine pointed to revived provide, which measures cash held for not less than six months which are spent on a given day, as one lens for estimating Bitcoin’s capacity to soak up older provide. He stated a baseline of roughly 10,000 BTC per day is typical even in bear-market circumstances, whereas bull-market profit-taking can push revived provide above 20,000 to 30,000 BTC per day.
On that foundation, the sale of Satoshi-era P2PK cash would characterize a big however not unprecedented demand take a look at. Examine additionally cited latest 90-day cost-basis turnover, arguing that greater than 2.3 million BTC had moved to new patrons between $60,000 and $80,000 for the reason that Feb. 5, 2026 sell-off, exceeding the P2PK steadiness by 1.36 instances.
The report additionally discusses the proposed “hourglass” compromise within the BIP-360 debate, below which miners may embody no multiple P2PK output per block. With about 38,000 P2PK outputs, Examine estimated that such a mechanism would take roughly 264 days to totally exhaust the set, roughly consistent with an optimistic post-quantum migration timeline for the broader Bitcoin community.
For Examine, the quantum debate finally goes past market mechanics. The sell-side argument, he suggests, is weaker than typically claimed; the more durable query is whether or not Bitcoin ought to protect property rights even when previous cash develop into weak, or intervene earlier than another person can take them.
“To the oldsters who declare we MUST freeze the cash due to the sell-side, I’d encourage you to place some numbers to your claims,” he wrote. “As a substitute, the precise thrust of this debate is across the ideas of what Bitcoin is.”
At press time, BTC traded at $77,869.
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