
CTO & co-founder @fairmint. Fairmint makes equity moves faster, cheaper by turning cap tables into smart-contracts.
United States
Joined July 2007
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“A token is not equity. But equity can be a token.”
That distinction changes everything about tokenized stocks.
Our CEO @Joris_DLN on why the official shareholder register matters, from yesterday’s webinar with @CantonStrategic 👇
We're seeing the effects of a "Zucman-like" (named after @gabriel_zucman) tax play out in real life 🍿
Any comments Gabriel? – at Weehawken, NJ
this California wealth tax thing is just incredible.
so in October 2025, a California healthcare union proposed a "one time" 5% tax on any billionaire's wealth. the ballot measure will be voted on next month. In early December 2025, California announced that it would be a retroactive tax if passed, applying to anyone with CA residency as of Jan 1, 2026. The objective is to pay for Medi-Cal, California's incredibly dysfunctional healthcare system. (which also functions as a glorified welfare apparatus, but that's a discussion for another time).
polls reveal that the CA electorate is split around 50/50 on the tax, but prediction markets only give Prop 40 a ~23% chance of passing (there are competing measures on the ballet that would nullify it).
there are 200 billionaires in CA, worth collectively somewhere between $2.3 and $2.6 trillion. 5% of that is around $100b, accounting for a small amount of attrition. proponents of the tax forecasted a significant windfall, assuming only a 10% departure rate.
supporters thought they were being clever with the retroactive concept. no billionares would leave CA in the few short months between the tax being proposed and the residency cutoff date, without the tax even having passed yet, right?
well as it turns out, they did.
a new paper [1] from two academics at Stanford called "The Net Present Value of the California Billionaire Tax Act", argues that not only did more billionaires leave due to the proposed tax than its proponents expected, but that the value of the tax, if it does pass, is actually negative.
proponents of the tax only assumed 10% avoidance, that is, only 10% of the taxable base of targeted billionaires would leave CA within the very short Oct-Dec 2025 window. Jaros and Rauh, the Stanford academics, find that a lower bound of 28.6% of the taxable base managed to leave.
just based on known departures, those departures total $577b in net worth, or $28.8b in potential tax lost. this of course does not capture everyone (many left without announcing their departure), so the authors normalize to departure rates estimated from other wealth tax events, and apply other discounts for litigation, arriving arrive at a figure of only $28-$36b in forecasted tax revenues.
but this isn't all! all of the income taxes paid by the departed billionaires are also forsaken. the authors estimate that CA billionaires pay $3.3- 5.8b in annual income taxes. they assume a midpoint of $2b lost in annual collections from departed billionaires. the net present value of that lost income stream is -$68.9 billion.
so when you add it all up you get:
+ $30b one-time tax windfall (estimated)
- $69b in present value of lost future income taxes
= - 38.9b overall net present value of the tax
of course, this analysis is highly estimate driven. the authors simulate the parameters 100k times and find a negative NPV of the implemented tax 85 percent of the time.
and if the tax doesn't pass, which it's not looking like it will, California still ended up losing at least $577b in departed net worth, and they have permanently poisoned the well with entrepreneurs who will now worry about future wealth taxes.
[1]: nber.org/system/files/workin…
thibauld retweeted
Everyone wants to tokenize stocks.
Meanwhile, Broadcom, Verizon, CoreWeave and others are objecting to having their shares traded on OKXICE.
Maybe the industry should start building with issuers instead of treating them as an afterthought. 🤷♂️
U.S. digital asset regulation is moving fast. What does that mean for the future of @CantonNetwork? 👀
Our CEO @Joris_DLN is joining Mark Wendland and Mark Toomey from Canton Strategic Holdings tomorrow to share his perspective.
Come join the conversation! 👇
Join us tomorrow at 11:00 a.m. ET for the Q3 Canton Network Ecosystem Webinar!
@MarkWendlandCSH and Mark Toomey of Canton Strategic Holdings, alongside @Joris_DLN of @Fairmint, will discuss U.S. digital asset regulation and its implications for the @CantonNetwork .
Register: app.webinar.net/ZX0qjLYp5kO
This is why I am so bullish @fairmint.
We build for issuers; they are our primary customers.
It takes a lot more efforts, but gaining the issuers' trust is *THE* moat!
thibauld retweeted
Trump is probably going to lose the midterms. After that, the period of self-reflection caused by Trump's victory in 2024 will be over. So before that happens, I wanted to remind people of why the left's mistakes enabled Trump's big victory two years ago.
noahpinion.blog/p/why-donald…
Now that's what I call a great victory!!
Let's take all those Yandex datacenters out @ZelenskyyUa 🔥🚀 – at West Hartford, CT
thibauld retweeted
Unironically, this might be an effective strategy to plunge support for Trump, AfD and the likes.
If anything, @ZelenskyyUa is saving Democracy in America 🔥🙏 – at Blue Hills, CT
Waiting for Trump to blame @ZelenskyyUa for putting that mine here...
thibauld retweeted
Volodymyr Zelensky is the towering giant of our time, a true statesman and leader of his nation.
Donald Trump is a moral pygmy, the worst, most destructive, politician America has ever produced.
thibauld retweeted
We will be introducing bipartisan legislation to block any and all purchases of Russian oil. It will be called the “Ronald Reagan Peace Through Strength Act.” It will be forced to the Floor via discharge and it will pass overwhelmingly. #PeaceThroughStrength
Me retweeting Mike Pence means it's really time for Trump to go. The midterms cannot come soon enough.
Most US citizens are just tired of this bullshit... unfortunately they're also tired of the Democrat's own bullshit.
Who is the no-bullshit candidates we're all waiting for? Who is the @davidlisnard of the US?
President Trump’s decision to lift sanctions on Russian fuel amidst Putin’s ongoing and brutal attacks on civilian targets in Ukraine makes no sense and is a betrayal of the legacy and leadership of the late Senator Lindsey Graham.
While Ukraine fights for its survival, Putin’s war machine continues to prosecute his terrorist war on civilian populations and innocent Ukrainians are dying every day.
Now, Instead of implementing the tough sanctions Lindsey Graham fought to his last breath to enact, President Trump has announced the United States is lifting sanctions on Russian energy, fueling the Putin’s war machine.
As I saw firsthand in Ukraine last month, Putin is losing this war. Ukraine has fought the Russian military to a standstill and reinvented warfare with drones taking the fight into the heart of Russia.
America should not be throwing a lifeline to Putin’s war machine. Now is the time to stand strong against Russian aggression as we did during the first Trump administration.
Putin doesn’t want peace. Putin wants Ukraine. I have no doubt that if Putin overruns Ukraine, it will only be a matter of time until Russia’s military crosses a border that our troops will have to deal with him.
America is the Leader of the Free World. For our National Security, for the security of our Allies in Europe including Ukraine, President Trump should rescind this deal immediately and return to the strong policies of our four years in the White House; impose harsh sanctions on any nation purchasing Russian energy and work with our allies to ensure Ukraine has the military support it needs to repel and defeat this Russian invasion once and for all. Slava Ukraini🇺🇸🇺🇦
thibauld retweeted
God, are we setting up further intervention against Zelensky? We should’ve been 1000% on his side this whole time and oil prices would’ve gone down after Moscow‘s humiliating defeat. But now we’re funding Putin’s war machine. It’s monstrous.































