P2P Cryptocurrency Payment Leads to a Fraud Investigation in Turkey: Criminal Risks Explained (2026 Updated Guide)

A P2P cryptocurrency payment leads to a fraud investigation in Turkey. Learn about bank account freezes, crypto transaction evidence, criminal liability, statements, asset seizure and defense options for foreign suspects.

Peer-to-peer cryptocurrency transactions can become the subject of criminal investigations in Turkey when money transferred for a crypto purchase is later connected with fraud, unauthorized account activity, stolen funds or another alleged offense. A foreign national may believe that they merely bought or sold cryptocurrency through a P2P transaction, yet later discover that their bank account has been frozen, their crypto account is under investigation or they have been summoned by the police or prosecutor. The critical legal question is not simply whether money entered the person’s account. Investigators may examine why the payment was made, whether cryptocurrency was actually transferred, what the suspect knew about the source of the funds and whether there is evidence of intentional participation in fraud.

How Can an Ordinary P2P Crypto Transaction Become a Fraud Investigation?

A typical problem begins when one person transfers Turkish lira to another person’s bank account in exchange for cryptocurrency. The cryptocurrency is then transferred to the buyer’s wallet.

Later, the bank transfer may be reported as fraudulent.

The sender may claim that their banking credentials were stolen, that they were deceived by another person or that the payment was made as part of an unrelated fraud scheme.

The recipient of the money may then appear in the financial trail.

Receiving Fraud-Related Money Does Not Automatically Establish Fraud

The existence of a bank transfer is important evidence, but criminal liability normally requires analysis of the individual’s conduct, knowledge and intent.

A genuine cryptocurrency seller may have received money without knowing that the funds were allegedly connected with a crime.

The defense should therefore reconstruct the commercial reason for the transfer.

Preserve the P2P Order Immediately

One of the most important pieces of evidence can be the original cryptocurrency transaction record.

Preserve the order number, date, time, amount, cryptocurrency, exchange rate, counterparty information and completion status.

Do not rely solely on screenshots if downloadable transaction records are available.

Preserve the Blockchain Transaction

If cryptocurrency was actually transferred, preserve the transaction hash, wallet addresses, amount, cryptocurrency network, timestamp and confirmation information.

Blockchain evidence can help demonstrate that the bank payment was followed by an actual crypto transfer rather than simply being retained without consideration.

Bank Records and Blockchain Records Should Be Matched

A strong factual defense may require showing the complete sequence:

Bank payment received → P2P order confirmed → cryptocurrency released → blockchain transaction completed.

Dates, times and amounts should be compared carefully.

Preserve Platform Communications

If the P2P platform contains messages between buyer and seller, preserve them.

Messages may show price negotiations, payment confirmation, requests for transaction details and release of the cryptocurrency.

They can help distinguish a genuine trade from an unexplained money transfer.

Do Not Delete the Crypto Account

Deleting the account after learning about an investigation can make reconstruction more difficult and may create unnecessary suspicion.

Preserve transaction history and account records before access is restricted.

What If the Bank Account Is Frozen?

A fraud complaint can result in restrictions affecting the recipient’s bank account depending on the investigation and measures ordered or implemented under the applicable legal framework.

The first step is to identify the authority and investigation file connected with the restriction.

Find the Investigation File

A foreign national who discovers an unexplained account restriction should determine whether there is a prosecutor’s investigation and obtain the relevant file information through lawful channels.

The legal strategy cannot be properly prepared without understanding the allegation.

Is the Foreigner a Suspect or Only Part of the Money Trail?

This distinction matters.

A person’s account can appear in financial records without necessarily meaning that prosecutors have established intentional participation in the underlying fraud.

The defense should determine the person’s procedural status and specific allegation.

What If the Victim Transferred the Money Personally?

A common P2P problem involves a third-party fraudster instructing a victim to transfer money directly to a cryptocurrency seller.

The seller may believe the transfer came from the crypto buyer while the victim believes they are paying for an entirely different transaction.

This creates a triangular payment structure that must be reconstructed carefully.

Third-Party Payments Create Additional Risk

P2P sellers should be cautious where the name of the person sending the bank payment does not correspond with the person buying cryptocurrency.

A mismatch does not by itself establish criminal activity, but it can become an important investigative issue.

Investigators May Examine Whether the Seller Ignored Warning Signs

Relevant circumstances may include repeated third-party payments, unusual payment descriptions, unusually high transaction volumes, rapid movement of funds, inconsistent counterparty identities or transactions that appear economically unusual.

The defense should address the actual transaction pattern rather than focusing on one transfer in isolation.

One Transaction and Repeated Transactions May Be Viewed Differently

A single isolated P2P sale may create a different factual picture from dozens of payments from unrelated persons followed by immediate cryptocurrency transfers.

Investigators may analyze the broader account history.

Can P2P Trading Be Treated as Evidence of Fraud?

P2P cryptocurrency trading itself does not establish fraud.

The central question is whether the evidence demonstrates knowing and intentional participation in the alleged fraudulent conduct.

What If the Foreigner Never Communicated With the Victim?

Preserve evidence showing who actually communicated with the complainant.

Phone records, messaging accounts, platform communications and digital evidence may help determine whether the suspect ever contacted the alleged victim.

IP and Device Evidence May Become Important

Where the underlying fraud occurred online, investigators may examine IP information, devices, telephone numbers and accounts used to communicate with the victim.

If those records point to someone else, they can become important defense evidence.

Preserve Your Phone Carefully

Do not reset, sell or destroy a device that may contain relevant transaction information.

Messages, authentication records, cryptocurrency applications and banking notifications may later help establish what occurred.

Police May Ask About the Source of Cryptocurrency

A suspect may be asked where the cryptocurrency sold through P2P transactions came from.

Preserve exchange purchase records, wallet histories, previous transfers and other lawful source information.

Source of Funds May Also Be Investigated

If significant amounts of money moved through the account, investigators may examine the economic explanation for those transactions.

Maintain records demonstrating the relationship between incoming bank transfers and cryptocurrency sales.

Can the Crypto Wallet Be Traced?

Blockchain transactions can often be analyzed through their transaction history, although the evidentiary interpretation can be complex.

The existence of a transfer from the suspect’s wallet to another wallet can help demonstrate movement of cryptocurrency, but identifying the person controlling the destination wallet may require additional evidence.

Exchange Records Can Become Important

Centralized cryptocurrency platforms may hold identity verification, login and transaction information.

Where relevant, these records may help establish which account placed or completed a P2P order.

What If the Suspect’s Account Was Used by Someone Else?

If another person had access to the bank account, crypto account, telephone or device, this should be investigated carefully.

Merely asserting that “someone else used it” is generally insufficient without supporting evidence.

Never Invent an Account-Hacking Defense

If the suspect actually conducted the transaction, the defense should address the real commercial transaction.

False explanations can seriously damage credibility.

What Should a Foreigner Do Before Giving a Statement?

The person should understand the allegation, identify the relevant transactions and gather available evidence before providing a detailed explanation where procedurally possible.

A statement given without understanding the transaction history can create inconsistencies that become difficult to correct later.

Interpreter Rights Are Important

A foreign suspect who cannot adequately understand Turkish should request appropriate interpretation during criminal proceedings.

The suspect should not sign a statement that they do not understand.

Check the Written Statement Before Signing

Names, transaction amounts, dates, wallet addresses and technical terminology should be reviewed carefully.

A translation or transcription error involving a cryptocurrency transaction can materially change the meaning of the statement.

Should the Suspect Explain Every Transaction?

The defense should first identify which transactions are relevant to the investigation.

Where prosecutors examine multiple transfers, prepare a transaction table linking each payment with the corresponding crypto transaction and supporting evidence.

Create a Transaction Matrix

For each disputed payment, record:

Bank transfer date and amount; sender name; P2P order number; cryptocurrency amount; wallet or platform transaction; transaction hash; counterparty account; relevant messages; and completion time.

This can transform a confusing investigation into a traceable sequence of transactions.

What If Cryptocurrency Was Never Transferred?

That situation requires particularly careful examination.

If money was received but the promised cryptocurrency was never delivered, prosecutors may ask why the transaction was not completed and what happened to the funds.

Preserve cancellation, refund and dispute records.

Refund Evidence Can Be Important

If a transaction failed and the money was returned, preserve the bank record showing the refund.

The timing and recipient should be documented.

Can the Bank Account Remain Frozen During the Investigation?

Restrictions can continue depending on the legal basis and procedural developments.

The affected person should determine whether the measure can be challenged or whether a request can be made for release or narrowing of the restriction.

Can Cryptocurrency Assets Be Seized?

Digital assets may become relevant to seizure and asset-preservation measures in criminal investigations depending on the circumstances and applicable procedure.

Any seizure or restriction should be examined according to its specific legal basis.

Challenge Disproportionate Asset Restrictions

Where the investigation concerns a limited transaction but substantially larger assets are affected, the scope and proportionality of the measure should be reviewed.

Requests for release should be supported with transaction and ownership evidence.

Money Laundering Issues May Arise

Where funds allegedly derived from fraud are converted into cryptocurrency or moved through multiple accounts, investigators may examine whether additional financial-crime issues arise.

This does not mean that every P2P seller receiving suspicious funds has committed money laundering. Knowledge, intent and the complete transaction structure remain important.

Do Not Contact the Complainant Improperly

After learning of an investigation, a suspect should avoid pressuring or attempting to influence the complainant.

Any legitimate repayment, settlement or communication issue should be considered within an appropriate legal strategy.

Can Returning the Money Automatically End the Criminal Case?

No general assumption should be made.

The legal effect of repayment depends on the alleged offense, procedural stage and circumstances. Repayment does not automatically erase the underlying allegation.

What If the Actual Fraudster Is Identified?

Evidence identifying another person can fundamentally affect the investigation.

Preserve usernames, phone numbers, wallet addresses, messages, IP-related evidence and any information linking the actual fraudulent communications to another person.

Mistaken Identification Is Possible

Financial investigations can initially focus on the person whose bank account received the money even though another individual carried out the deception.

The defense should separate the recipient of the payment from the person who allegedly deceived the victim.

Foreign Nationals May Face Additional Consequences

A criminal investigation can create practical concerns beyond the immediate case, including travel, residence or immigration issues depending on the circumstances.

These consequences should be evaluated separately rather than assuming that the existence of an investigation automatically produces an immigration sanction.

Evidence Should Be Preserved Before Accounts Are Closed

Crypto platforms, messaging services and banks may retain records according to their own systems and legal obligations, but the suspect should preserve lawfully accessible records promptly.

Important evidence can become more difficult to retrieve over time.

Immediate Defense Strategy

A foreign national facing a Turkish fraud investigation after a P2P cryptocurrency payment should immediately identify the investigation file, determine the disputed bank transfer, preserve the P2P order, download platform records, preserve the blockchain transaction hash, match bank and crypto transactions, save counterparty communications, document the source of cryptocurrency, identify any third-party payment mismatch, review account-freeze measures and prepare a transaction-by-transaction explanation before giving a detailed statement.

Frequently Asked Questions

Does receiving money connected with fraud automatically make the P2P seller guilty?

No. The person’s knowledge, intent, conduct and relationship with the alleged fraud must be examined together with the financial evidence.

Can a blockchain transaction help the defense?

Yes. It may help demonstrate that cryptocurrency was actually transferred in exchange for the bank payment.

What if the bank sender and crypto buyer are different people?

That mismatch can become an important investigative issue. The circumstances and communications surrounding the transaction should be documented carefully.

Can the police freeze a foreigner’s bank account?

Financial restrictions may arise during a criminal investigation depending on the applicable legal basis and procedural measures. The specific restriction should be identified and reviewed.

Should the suspect delete their cryptocurrency account?

No. Relevant transaction and communication evidence should be preserved.

Can the foreigner challenge a bank-account freeze?

Depending on the legal basis and procedural circumstances, legal remedies or requests for release may be available.

What if the suspect never spoke to the fraud victim?

Evidence demonstrating who actually communicated with the victim can be important in distinguishing the P2P transaction from the underlying alleged deception.

Can cryptocurrency itself be seized?

Digital assets can potentially become subject to investigative asset measures depending on the circumstances and applicable legal procedure.

Should a foreign suspect give a statement without understanding the transactions?

A detailed statement should be approached carefully. The relevant bank and cryptocurrency records should be reconstructed, and a person who does not adequately understand Turkish should use appropriate interpretation.

What is the most important evidence?

The strongest factual defense often comes from connecting the disputed bank transfer to a genuine P2P order and an actual cryptocurrency transfer through consistent bank records, platform data, communications and blockchain evidence.

Client-Focused Legal Support for Cryptocurrency Fraud Investigations in Turkey

P2P cryptocurrency investigations can involve fraud allegations, bank-account freezes, blockchain evidence, cryptocurrency exchange records, digital searches, asset seizure and financial-crime investigations. Fırat Fesih Kaya Law Office assists foreign nationals, foreign investors and international clients facing cryptocurrency-related criminal investigations in Turkey. Lawyer Fırat Fesih Kaya provides legal assistance in reviewing investigation files, preparing statements, analyzing bank and blockchain evidence, challenging asset restrictions and developing defense strategies where legitimate P2P transactions have become connected with fraud allegations.

Phone:
+90 312 434 22 22

Mobile:
+90 532 769 22 22

Email:
info@firatfesihkaya.av.tr

Address:
Mevlana Boulevard No:221, Yıldırım Tower, Office No:148, 06520 Balgat, Çankaya, Ankara, Turkey