A CBI Passport Does Not Solve Your IRS Problem: The Renunciation Reality Check for U.S. Bitcoiners
8 min read
A second passport is the move most US Bitcoiners assume will quiet the IRS. The IRS does not care which passports you hold. It cares whether your name is on a Certificate of Loss of Nationality. For US Bitcoiners, the second passport is the prerequisite, not the solution. The solution is renunciation, and the passport is what makes the renunciation file move. Without the passport, the renunciation conversation does not start. With the passport, the IRS conversation still does not end until the CLN is in hand. This article walks through why the passport on its own changes nothing, what FATCA actually does to a US-citizen Bitcoiner with a second passport, what citizenship-based taxation means for a Bitcoiner who relocates to a zero-tax jurisdiction, the renunciation sequence and why the passport must come first, the exit-tax math under Internal Revenue Code Section 877A, and three scenarios where the passport has standalone value even before renunciation.
Why The Passport On Its Own Changes Nothing
The most common framing error in US-Bitcoiner files is the assumption that a second passport quiets the IRS. The IRS does not work on passport criteria; it works on citizenship criteria. As long as you remain a US citizen, you are taxed on worldwide income, you file Form 1040 annually, you report foreign accounts on FinCEN 114 (the FBAR) and Form 8938, and your foreign financial accounts are reported back to the IRS by the foreign bank under FATCA. The CBI passport you hold beyond your US passport changes none of that.
What it does change: it gives you a place to land, a place to bank, and the legal precondition for the only mechanism that ends US tax obligations. The passport is a precondition, not a fix.
What FATCA Actually Does
The Foreign Account Tax Compliance Act, enacted in 2010, requires foreign financial institutions to identify their US-person account holders and report them to the IRS. The reporting is annual and automated. Banks in CBI-receptive jurisdictions know exactly which clients are US persons because they have to ask, document, and report. A Bitcoiner who holds a second passport but remains a US citizen is still a US person under FATCA. Foreign banks face 30% withholding on US-source payments if they fail to comply, which is why some decline US-person clients outright rather than carry the compliance overhead. Holding a CBI passport does not reduce that friction. The passport opens new account doors; the FATCA reporting follows the holder through every one of them.
Citizenship-based Taxation
The United States is one of two jurisdictions in the world that taxes its citizens on worldwide income regardless of where they live. The other is Eritrea. For a US Bitcoiner who relocates to a zero-capital-gains jurisdiction (Vanuatu, the Caribbean five, El Salvador), the relocation does nothing for the US tax bill. Capital gains on Bitcoin sold from a wallet in Vanuatu are taxed by the IRS the same as if the sale happened in California.
This produces the recurring first-conversation confusion. The Vanuatu zero-tax regime applies to Vanuatu tax residents who are not subject to another jurisdiction's worldwide-income rule. For a US citizen, the IRS rule applies regardless. The Vanuatu zero-tax benefit accrues only after the US citizenship is renounced.
The Renunciation Sequence
Renunciation is the only mechanism that ends US citizenship-based taxation. The standard sequence is non-negotiable in practice: the renouncing citizen needs another citizenship in hand before the renunciation oath. Under 7 FAM 1215, the State Department will accept a renunciation that leaves the renouncer stateless, but consular officers warn in writing of the consequences (no travel document, no banking, no residency anchor, restricted ability to work, marry, or receive services). Statelessness is a path to acute hardship, not a clever workaround.
This is where the CBI passport becomes load-bearing. The passport is the precondition that makes the file move cleanly. Without it, the IRS conversation does not change.
The sequence:
01 / Acquire the second citizenship. Vanuatu is fastest at 30 to 60 days. The Caribbean five (St. Kitts, Antigua, Dominica, Grenada, St. Lucia) run 4 to 8 months. Türkiye runs 4 to 6 months. Malta CBM is bespoke and longer. The passport must be in hand before the renunciation file moves.
02 / Schedule the renunciation appointment. US embassies and consulates schedule appointments under State Department guidance. Wait times vary by post; some run months out.
03 / Conduct the renunciation interview. Two visits at the embassy. The oath of renunciation is administered. Form DS-4079 (questionnaire) and Form DS-4080 (oath) are filed.
04 / File the final tax return and Form 8854. The expatriation tax form. This is where the exit-tax math gets done.
05 / Receive the Certificate of Loss of Nationality. Issued by State, transmitted to IRS. Citizenship terminates as of the date of the renunciation oath.
Once the CLN is in hand, US tax obligations end going forward. FATCA reporting on the holder ends. Foreign accounts are no longer foreign, because the holder is no longer a US person.
The Exit Tax
The exit tax is the price the IRS charges for letting you go. Codified at Internal Revenue Code Section 877A, it applies to "covered expatriates," a category most Bitcoin holders with substantial stacks fall into.
Three tests determine covered-expatriate status:
01 / Net worth test. Net worth on the date of expatriation of $2 million or more.
02 / Tax liability test. Average annual federal income tax liability over the five preceding years above an inflation-indexed threshold ($206,000 for 2025, per Rev. Proc. 2024-40).
03 / Compliance test. Failure to certify five years of US tax compliance under penalties of perjury.
A Bitcoiner whose stack appreciated meaningfully clears the $2M net-worth threshold readily. The exit-tax mechanism is a deemed sale of all worldwide assets at fair market value on the day before expatriation, with capital gains owed on the deemed gain above an exemption ($890,000 for 2025).
For a Bitcoin-heavy stack the math matters. A Bitcoiner with $10M in BTC at expatriation owes capital gains on roughly $9.1M of deemed appreciation, assuming low-basis acquisition. At 23.8% federal long-term capital gains plus net-investment-income tax, that is roughly $2.17M owed at expatriation. Payment plans, valuation arguments, and timing the renunciation against a Bitcoin-price drawdown are all real strategies. The order of magnitude is what it is. Renunciation is not free.
When The Second Passport Matters Independent Of Renunciation
The renunciation framing is the dominant reason a US Bitcoiner pursues a CBI passport, but it is not the only reason. Three scenarios where the passport carries standalone value before renunciation, or instead of renunciation:
01 / Banking access. The second passport changes the conversation with non-US banks. Before renunciation the holder is still subject to FATCA; after renunciation, the same individual presents under the CBI citizenship and clears rules at banks that decline US persons. The passport opens the second-citizen door even before the file is run.
02 / Travel and consular protection. A second passport carries its own visa-free profile. For a US Bitcoiner concerned about travel restrictions, sanctions exposure, or diplomatic incidents that affect US passport holders specifically, the second passport provides a separate set of options.
03 / Family planning. A CBI passport, depending on the program, includes spouse and dependent children. Family members who acquire the second citizenship inherit it and can make their own life choices independent of the parent's US-tax situation. Some Bitcoiners pursue CBI specifically for the family inclusion.
In each case the passport has standalone use. None of them, on their own, end the IRS conversation. That is renunciation's job.
The Principle
A CBI passport does not solve a US Bitcoiner's IRS problem. It cannot. The IRS taxes citizenship, not residency, and not the other passports a citizen happens to hold. The only mechanism that ends citizenship-based taxation is renunciation. Renunciation requires a second passport in hand before the file moves. The passport is the precondition. Renunciation is the solution. The exit tax is the cost.
For a US Bitcoiner serious about the exit, the sequence is: acquire the second citizenship through 21 CBI, take possession of the passport, then run the renunciation execution with Exitly, our sister firm in the Bitcitizen ecosystem. We do not file renunciation papers. Exitly does. We hand off cleanly, because the second passport is what makes the renunciation file possible. For a Bitcoiner who wants the passport without renouncing, the standalone value is real but bounded: banking, travel, family. The IRS bill stays put.
Programs change. The programs available today may not exist next year. Every CBI threshold increase in history has been upward. Low time preference does not mean no action. It means making the right move at the right time.
If you want to walk through whether a CBI-then-renunciation sequence fits your situation, including the exit-tax math on your current stack, book a confidential advisory session. Encrypted, no obligation, no payment required to start the conversation.
Adam Juchniewicz, CEO, 21 CBI US Air Force veteran. Bitcoiner since 2020. Licensed agent of The Bitcoin Office of El Salvador.

Adam Juchniewicz, CEO, 21 CBI
US Air Force veteran. Bitcoiner since 2020.
