If your bank froze your account after a crypto deposit, do five things: keep the money where it is, reply to the bank’s information request promptly and in writing, gather exchange statements and purchase records, document that you own the wallet the funds came from, and escalate through the complaints process if the freeze drags on. Many freezes are routine source-of-funds reviews, not accusations.
It rarely feels routine when it happens to you. The account stops working, the bank sends a vague letter about “additional checks”, and nobody on the phone will say why. Here is why it happened and how to work through the five steps.
Why Banks Freeze Accounts After Crypto Deposits
Banks run automated transaction-monitoring systems that score every incoming payment. A transfer from a crypto exchange often trips several triggers at once: an unusual amount, a new counterparty, and a higher-risk sender category. When the score crosses a threshold, an analyst reviews the payment and the account may be restricted meanwhile.
Behind this sits a legal obligation: EU banks must understand the source of funds in customer accounts under EU anti-money laundering rules, and from 10 July 2027 a single rulebook, Regulation (EU) 2024/1624, applies directly across all member states, with crypto-asset services explicitly in scope. A bank that cannot get comfortable with the money’s origin can restrict the account and report to the national financial intelligence unit.
There is also a reason for the silence. In the UK, “tipping off” a customer that a suspicious activity report has been filed is a criminal offence under the Proceeds of Crime Act 2002, and most EU countries have equivalent rules, so bank staff are often legally barred from explaining. Crypto platforms face parallel duties, covered in our FATF Travel Rule guide.
None of this means the bank thinks you are a criminal. It means there is a gap in its file, and your job is to fill it.
Step 1: Keep the Money Where It Is
The instinct is to rescue your funds: shift them elsewhere, open a new account, or route money through a family member. Do none of this.
Rapid movement of funds straight after a compliance flag is exactly what layering, the middle stage of money laundering, looks like to a monitoring system. One frozen account can become three: each receiving bank runs its own screening and may file its own report. Sit tight, use an unaffected account for essentials, and focus on the paperwork.
Step 2: Respond Promptly and in Writing
When the bank asks for information, treat it as the priority it is. Reviews often stall because customers reply late, partially, or only by phone.
- Answer within the bank’s deadline, or ask in writing for a short extension.
- Reply in writing, so there is a record of what you sent and when.
- Answer exactly what was asked; no life story, no blank questions.
- Stay factual and calm, and keep copies of everything, including dates.
If the request is vague, ask which documents the bank needs and for which period. A specific list saves weeks.
Step 3: Gather Evidence of Where the Money Came From
The bank is trying to reconstruct a chain: legitimate income, a fiat purchase of crypto, a holding period, a sale, and the transfer into your account. Banks typically request:
- An exchange account statement in your name, showing the withdrawal to your bank.
- Transaction history exports (CSV or PDF) covering the relevant period, including the sale that produced the fiat.
- Original purchase records: your fiat deposits onto the exchange, matched to bank transfer or card receipts on your side.
- Trade history, if you converted between assets before selling.
- Proof of the income that funded the purchases: payslips, invoices, or a tax return.
- For older or unconventional holdings: whatever contemporaneous records exist, such as mining payout history or gift documentation.
If records are missing, say so and explain why; an honest narrative with partial documents beats silence.
Step 4: Prove the Wallet Is Yours and Show the On-Chain Path
Many holders have a gap in the middle of that chain: the crypto left an exchange, sat in a self-custodial wallet for years, then moved back through an exchange to the bank. Statements cover both ends but not the middle, and a bare wallet address proves nothing. Reviewers treat self-hosted wallets cautiously, as our self-hosted wallet risks guide explains.
Two things close the gap: proof the wallet is yours, and evidence its history is clean. This is what a KYW (Know Your Wallet) certificate addresses. CryptoPass verifies ownership on-chain via the Satoshi Test (a unique, refundable micro-amount sent to a one-time address, confirmed in 1-3 blocks) or WalletConnect for Ethereum and compatible chains, then screens the wallet’s transaction history, counterparty risk and sanctions exposure, producing a 0-100 score and a detailed PDF with a blockchain-verified hash, shareable by QR code or link alongside your exchange records.
An independent legal opinion (July 2023) by Dr. Stephan Ochsner, former CEO of the Liechtenstein Financial Market Authority, found the process aligns with state-of-the-art requirements for proving wallet ownership and supporting source-of-funds clarification under FATF, EU and Liechtenstein standards. To be clear: a certificate is an informational compliance report that helps document the origin of your funds; whether to lift a freeze always remains the bank’s decision.
Step 5: Escalate if the Freeze Drags On
If you have supplied everything and weeks pass with no movement:
- File a formal complaint with the bank. Use the word “complaint” so it enters the regulated complaints process.
- In the UK, the bank generally has up to eight weeks to issue a final response under FCA rules; after that, or if you disagree with the response, you can go to the Financial Ombudsman Service, normally within six months.
- In the EU, escalate to your national financial ombudsman. For a bank in another EEA country, FIN-NET helps you find the right body in your own language.
- Know the limits. If a suspicious activity report was filed, the bank may be waiting on the financial intelligence unit; in the UK the National Crime Agency has seven working days to respond and can extend the hold by a 31-day moratorium. An ombudsman cannot override a legally required hold, but can review whether the bank treated you fairly.
- For large sums or long freezes, consider a lawyer experienced in account-freezing cases in your jurisdiction.
The paper trail from Steps 2 and 3 is what makes an escalation credible.
Prepare Before the Next Transfer
The easiest freeze is the one that never happens. Checking your wallet before moving funds to your bank shows you the kind of risk signals a compliance reviewer looks at. The basic CryptoPass check is free, no card and no KYC to start, covering BTC, ETH, SOL, TRX, GRAM and USDT; a full KYW certificate costs from EUR 10 per wallet, no subscription. Get the app and check the wallet before the transfer, not after the letter arrives.
FAQ
How long can a bank freeze my account after a crypto deposit?
There is no single legal time limit. Straightforward source-of-funds reviews often resolve within days or weeks once you supply documents. Where a suspicious activity report is involved, statutory clocks apply; in the UK, seven working days plus a possible 31-day moratorium. Silence beyond that is grounds for a formal complaint.
Will the bank tell me why my account was frozen?
Often it cannot. In the UK, tipping-off rules make it a criminal offence to reveal that a suspicious activity report has been filed, and most EU countries have equivalent prohibitions. Expect generic wording about “additional checks”, and focus on answering the questions the bank does ask rather than demanding reasons.
What documents do banks ask for after a crypto deposit?
Typically an exchange account statement in your name, transaction history exports, records of your original fiat purchases, trade history if you converted assets, and proof of the income that funded them. If the funds passed through a self-custodial wallet, evidence of wallet ownership and its transaction history as well.
Can a KYW certificate get my account unfrozen?
No document guarantees an outcome; the decision always rests with the bank. A KYW certificate is an informational compliance report that packages on-chain ownership proof with screening of transaction history, counterparty risk and sanctions exposure, so it helps document the origin of your funds in a format built for compliance review.
This article is general information, not legal or tax advice.
