In countries with currency controls, people who want to save in dollars usually hit three walls: banks sell dollars at the official rate but in small amounts and with paperwork, the parallel rate on the street or online is noticeably higher, and sending money abroad needs approvals or declarations. That is exactly when people offering to “change money for you” or “get your money out” come calling. Ways around foreign-exchange rules are not covered here.
Find out which step your country controls
Currency controls usually apply to one or more of these steps:
- Buying foreign currency: how much an individual may buy at the official rate each month or year, and whether a purpose must be stated.
- Foreign-currency accounts: whether local banks can open them for residents, and whether that money can be withdrawn as cash or sent out.
- Money leaving the country: whether transfers abroad need approval or a declaration, and whether there is an annual limit.
- Crypto assets: whether individuals may hold and trade them, and whether exchanges may serve residents.
These rules are published on central bank and commercial bank websites, and the IMF's Annual Report on Exchange Arrangements and Exchange Restrictions (AREAER) summarises them for every member country, which makes it a useful cross-check. Write down where your country stands on each of the four steps; every choice after that depends on it.
Rules change, so old advice goes stale
Foreign-exchange rules move quickly, and advice from a few years ago can be completely out of date. Two recent cases show how much.
For years Argentina limited individuals to buying $200 a month at the official rate, and the official and street rates were far apart. From 14 April 2025 the government lifted the limit on individual purchases, and people could buy and sell dollars freely in the official market.
In Nigeria, residents can open US-dollar domiciliary accounts at local banks. In June 2023 the central bank removed the restriction on cash deposits into these accounts and allowed cash withdrawals of up to $10,000 a day.
So before you act, check the current rules, ideally at the counter of the bank where you hold your account. Much of what circulates online about how much you can convert, or which accounts you can open, is several years old.
The routes that stay within the rules
| Route | Requires | Upside | Watch out for |
|---|---|---|---|
| Foreign-currency account at a local bank | Residents are allowed to hold foreign-currency deposits | The steadiest option, locally regulated, and in some countries covered by deposit insurance | Withdrawal and transfer rules can change; protection depends on the local scheme |
| Buy within your allowance and deposit abroad | Money may leave the country, and you can open an account abroad | A bank abroad may offer stronger deposit insurance and stability | Declare as required; keep purchase and transfer records |
| Multi-currency wallet | The provider serves your country | Quick to open, with the amount shown before you convert | Many providers do not serve residents of countries with currency controls, or limit features |
| Stablecoins | Individuals may hold and trade crypto in your country | No need for a local bank to sell you dollars; transfers are fast | No deposit insurance; prices often track the parallel rate; large flows can draw questions from your bank |
These are not either-or. A common approach keeps most money in a local foreign-currency account and a small share in a more flexible tool. The protection and cost of each option are compared in where to hold US dollars.
Why informal exchange is the most expensive route
The parallel rate looks like the better deal, but its cost is not in the rate. Informal exchange tends to end in one of three ways: the other side takes your local currency and never delivers the dollars, or delivers counterfeits; the money you receive comes from fraud or another crime and your bank account is frozen as a result; or your country treats informal exchange or moving money out as illegal, and you face the consequences if it comes to light.
Ignore every advert promising to “buy your dollars at a premium,” “move your money out safely” or use an “inside channel.” How these schemes work is covered in scams and account safety.
The extra risks of using stablecoins
Where individuals may hold crypto, stablecoins really are how many people keep dollars. Before relying on them, think these through:
- Confirm your country's rules on individuals holding and trading crypto, and whether the exchange you plan to use serves residents. If the rules are unclear, keep the amount small.
- In countries with currency controls, the local-currency price of USDT on P2P markets usually tracks the parallel rate rather than the official one. The premium you pay when buying is not guaranteed to come back when you sell.
- When you sell through P2P and the buyer's money turns out to be tainted, it is your bank card that gets frozen. Trade only with sellers who have long track records, and keep every message inside the platform's order.
Where it is allowed, the steps for opening an exchange account are in the Binance sign-up guide, and buying, selling and cashing out are covered in how to turn USDT back into cash. Risks specific to stablecoins, such as depegs and freezes, are in stablecoin risks.
Whatever you choose, keep the records
Under currency controls, records matter more than usual. Keep currency-purchase receipts, bank statements, transfer slips, payslips or contracts, and exchange order history, filed by date. When a bank or tax office asks where a sum came from, having the records makes it simple; without them, the account may be restricted and explaining takes far longer.
If a sum involves tax or a declaration, follow the local rules, and for larger amounts ask a qualified local professional. This site does not reach compliance conclusions for any country.
Common questions
Sources
Country-by-country foreign-exchange rules are summarised in the IMF's AREAER database; the Argentine and Nigerian policy changes follow news coverage at the time.
- IMF: AREAER database
- MercoPress: Argentina announces end of currency controls
- Premium Times: CBN lifts cash deposit restriction on domiciliary accounts