Claims Against Crypto Exchanges

Claims Against Cryptocurrency Exchanges
Legal Strategy for Dealing with Blockades, Withholdings, and Disputes Involving Digital Asset Platforms
Exchanges are now the primary gateway to the digital asset market. Through these platforms, users can buy and sell cryptocurrencies, manage investments, make international transfers, and access services such as staking, lending, and crypto asset custody.
However, this operational dependence also creates significant legal risks. Every year, there is an increase in disputes related to frozen accounts, withheld funds, pending withdrawals, unilateral account closures, or issues arising from AML procedures.
These platforms operate under standard-form contracts drafted unilaterally, which grant them broad authority to limit services, restrict operations, or suspend accounts when they detect certain circumstances. In practice, many users only discover these powers when they can no longer access their funds.
The problem is exacerbated by the fact that internal complaint mechanisms are often limited, automated, and ineffective at resolving complex disputes. Meanwhile, the financial loss can grow every day, especially in a market as volatile as that of cryptoassets.
At IN DIEM, we help individuals, investors, traders, and companies defend their rights against domestic and international exchanges by designing legal strategies aimed at recovering funds, unblocking accounts, and claiming damages. See also our services for claims against cryptocurrency exchanges.
Why do conflicts arise with exchanges?
Most disputes involving cryptocurrency platforms stem from a combination of regulatory requirements, the automation of internal controls, and broad contractual powers.
The most common reasons include:
- AML or KYC reviews.
- Automatic detection of activity deemed to be risky.
- Inconsistencies in identification documents.
- Transfers from external wallets.
- Transaction flagged as unusual by the monitoring systems.
- Internal changes to the exchange’s risk policy.
- Operational errors or technical issues.
In many cases, users receive generic messages that do not clearly explain the reason for the restriction or offer a specific solution.
Platforms such as Binance, Coinbase, Kraken, Crypto.com, Bybit, KuCoin, and OKX have complex internal procedures that can result in prolonged account suspensions if the issue is not resolved properly from the outset.
What are the legal implications of a freeze or withholding?
From a legal perspective, an account freeze or a withholding of funds is not merely a technical glitch.
This constitutes an effective restriction on the owner’s right to dispose of their digital assets.
Although certain restrictions may be justified by regulatory obligations related to the prevention of money laundering, these measures must meet criteria of proportionality, reasonableness, and contractual good faith.
When a platform withholds funds for excessive periods of time, fails to provide sufficient information, or unjustifiably prevents access to assets, contractual and financial liabilities may arise.
In addition to the value of the retained funds, potential damages resulting from the following must be assessed:
- Inability to trade on the market.
- Missed investment opportunities.
- Compulsory liquidations.
- Business losses.
- Reputational damage.
Each situation requires an individualized analysis of the contractual documentation, communications with the platform, and applicable regulations.
Why do so many claims fail?
Most claims against exchanges fail due to strategic errors made during the early stages of the dispute.
Some of the most common mistakes include:
- Handle matters exclusively through support tickets.
- Submitting documentation in a disorganized manner.
- Failure to preserve relevant evidence.
- Accept generic answers without challenging them.
- Delay legal action for weeks or months.
- Initiating legal proceedings without a prior strategy.
An effective claim requires building a solid body of evidence from the very beginning, properly documenting all actions and legally defining the breach of contract.
Our Services for Claims Against Exchanges
We provide comprehensive assistance in disputes related to digital asset platforms, including:
- Account suspension or closure.
- Withheld funds.
- Pending withdrawals.
- AML/KYC Reviews.
- Losses resulting from operational restrictions.
- Unauthorized access.
- Complex contractual disputes.
- Claims against international exchanges.
Our team combines legal expertise in blockchain, digital assets, technology contracts, and financial regulation to design solutions tailored to each case.
Complaints Regarding Account Freezes or Closures
The unilateral closure of an account may result in the complete loss of access to funds, documentation, and transaction history.
In these cases, we analyze:
- Applicable contractual terms.
- Reason cited by the exchange.
- Validity of the communications sent.
- Compliance with internal procedures.
- User rights affected.
Our goal is to regain access or, if that is not possible, to obtain the full return of the retained assets.
Claims for withholdings resulting from AML/PBC reviews
AML reviews are currently one of the main causes of frozen funds.
Although exchanges are required to implement anti-money laundering measures, these measures cannot become indefinite restrictions without sufficient justification.
We assist our clients with:
- Proof of the source of funds.
- Reconstruction of blockchain traceability.
- Response to requests for documentation.
- Negotiations with compliance departments.
- Complaints about prolonged delays.
When necessary, we coordinate this work with our crypto tax reporting and crypto transaction reconstruction.
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Complaints Regarding Restrictions or Blocking of Withdrawals
Pending or rejected withdrawals are a common issue on centralized exchanges.
In many cases, the platform accepts the request but keeps the transaction in a pending status for days or weeks without providing a clear explanation.
We analyze the cause of the issue and design a strategy aimed at resolving the situation or seeking compensation for the financial losses resulting from the restriction.
Claims for financial losses resulting from the exchange’s actions
When an action taken by the platform results in direct financial losses, financial liability may arise.
These situations include:
- Inability to execute orders.
- Automatic settlements.
- Loss of market opportunities.
- Trading halts during periods of high volatility.
- Runtime errors.
Accurately quantifying the damages is essential to building a strong and defensible claim.
Defense in Complex Cases Involving Exchanges
Some disputes are particularly complex due to the financial stakes involved, the existence of corporate structures, the involvement of multiple jurisdictions, or the simultaneous interplay of regulatory and tax issues.
In these cases, we develop a comprehensive strategy that may include:
- Blockchain technical analysis.
- Document audit.
- Operative reconstruction.
- Regulatory Actions.
- Negotiations are at an advanced stage.
- Preparation of legal actions.
When there are additional regulatory implications, we coordinate the defense with our MiCA inspection defense services.
Complaints Regarding Security Incidents and Unauthorized Access
Unauthorized access, theft of digital assets, or unauthorized transactions give rise to significant liability issues.
We analyze whether the incident stems from:
- Platform vulnerabilities.
- Security vulnerabilities.
- Credential Commitments.
- Operational errors.
Based on that analysis, we design the most appropriate legal strategy to hold parties accountable and maximize the chances of recovery.
Comprehensive Strategy for Dealing with International Exchanges
A large number of the exchanges operating in Europe are based outside of Spain.
This adds complexity to issues related to:
- Competent jurisdiction.
- Applicable Law.
- Enforcement of rulings.
- Consumer protection.
- Applicable European regulations.
Our team analyzes each case from an international perspective to determine the most effective courses of action and recovery strategies.
Our Approach and When to Take Action
In disputes with exchanges, timing plays a decisive role.
The sooner action is taken:
- It’s easier to keep records.
- There is greater capacity to rebuild operations.
- There is a lower risk of the legal position being compromised.
- There are more options for resolving the conflict without resorting to lengthy and costly legal proceedings.
Therefore, we recommend taking action as soon as any blockages, restrictions, AML incidents, or problems accessing funds arise.
At IN DIEM, we combine legal expertise, technical knowledge of the blockchain ecosystem, and collaboration with specialists in cryptoasset analysis and traceability to provide comprehensive defense against exchanges and digital platforms.
If your account has been frozen, your funds are being held, or you are experiencing any issues with a cryptocurrency platform, we can help you assess your situation and develop the best strategy to protect your interests.
In addition, these procedures are often related to issues of taxation of cryptocurrencies, potential tax audits related to cryptocurrencies , and ongoing ongoing MiCA compliance.
Companies affected by recurring outages should also review their onboarding of crypto companies to minimize operational and reputational risks.
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Frequently Asked Questions International Legal
Answers to frequently asked questions about international legal services, cross-border operations, corporate law, and global legal advisory.
What can I do if an exchange has blocked my account?
The first step is to identify the reason given by the platform, save all communications, and gather the relevant documentation. In many cases, it is possible to file a formal complaint to regain access to the account or have the withheld funds released.
Can an exchange hold onto my cryptocurrencies indefinitely?
Not necessarily. Although exchanges may implement controls related to anti-money laundering or risk management, these measures must be proportionate, justified, and maintained only for a reasonable period of time to complete the necessary verifications.
What happens if Binance or Coinbase don’t respond to my requests?
The lack of a response does not prevent you from taking action to file a claim. There are both extrajudicial and judicial mechanisms that can be used to demand a response, request additional information, or seek the release of frozen funds.
Can I file a claim for losses caused by an account freeze?
Yes. Depending on the specific circumstances, it may be possible to claim actual damages, lost profits, loss of opportunity, or other financial losses directly resulting from the restriction imposed by the platform.
What does an AML review on an exchange mean?
It is an internal procedure through which the platform analyzes certain transactions or funds to verify their origin and comply with its obligations regarding the prevention of money laundering and terrorist financing.
What documents should I keep?
It is advisable to keep emails, screenshots, transaction histories, support tickets, activity logs, and any other communications with the platform that may be relevant to substantiating the facts.
What happens if the exchange is located outside of Spain?
Many international exchanges remain subject to legal and regulatory obligations when providing services to users residing in the European Union. Therefore, the company’s location does not necessarily prevent users from filing complaints or taking legal action.
When should you consult a lawyer?
It is advisable to seek expert advice from the very beginning of the problem. Early action makes it possible to preserve evidence, develop an appropriate strategy, and increase the chances of recovering the funds or resolving the issue favorably.
Can I file a complaint if my account was closed without explanation?
Yes. The unilateral closure of an account must be analyzed from a contractual, regulatory, and consumer protection perspective. In certain cases, it may be possible to challenge the decision or seek redress for the consequences resulting from it.
How long does it take to file a complaint with an exchange?
The duration depends on factors such as the complexity of the case, the platform involved, the applicable jurisdiction, and the strategy employed. Some issues can be resolved in a few weeks, while others require longer proceedings and additional steps.
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, the In Diem Team.

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Is your exchange preventing you from accessing your funds?
Account freezes, frozen funds, pending withdrawals, or AML reviews can result in significant financial losses. We analyze your situation and develop a legal strategy tailored to the dispute and the platform involved.
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