Can Miami Crypto Holders File Claims Against Both Carriers and Exchanges?

Yes, Miami crypto holders who lose digital assets through a SIM swap attack may pursue civil claims against both their wireless carrier and cryptocurrency exchange. When a hacker exploits a carrier’s security failures to hijack your phone number and then drains your exchange account, two separate parties may share responsibility for the resulting loss. Understanding how dual liability works under Florida and federal law can help victims evaluate their legal options and recover stolen cryptocurrency.

If you experienced a crypto account hack in Miami and need guidance on your potential claims, Kaplan Rothstein Prüss Peraza, P.A. can help. Call (888) 578-6255 or reach out online to discuss your situation.

How SIM Swap Attacks Create Dual Liability in Crypto Theft

A SIM swap attack typically involves two points of failure, each controlled by a different company. First, a bad actor convinces your wireless carrier to transfer your phone number to a new SIM card. Once the attacker controls your number, they intercept two-factor authentication codes and access your cryptocurrency exchange account. The theft requires failures at both the carrier and exchange level.

This chain of events is why victims in Florida may pursue claims against both entities. The carrier may be liable for negligently allowing the unauthorized SIM transfer. The exchange may be liable for inadequate account security, failure to detect suspicious login activity, or breach of its terms-of-service agreement. Courts evaluate each defendant’s conduct independently, meaning a claim against one does not preclude a claim against the other.

💡 Pro Tip: Preserve every piece of evidence immediately after discovering a SIM swap, including screenshots of unauthorized transactions, carrier account records, exchange login history, and communications with customer support. This documentation forms the backbone of any civil claim.

Why Your Wireless Carrier May Be Liable for a SIM Swap

Wireless carriers owe their customers a duty to safeguard account access, and a negligent SIM transfer can breach that duty. When a carrier’s employee processes a fraudulent SIM swap without proper identity verification, the carrier may face liability for negligence. Miami victims have pursued carrier negligence SIM swap claims by showing the company failed to follow its own security protocols.

Several legal theories may support a civil case against the carrier:

• Negligence: The carrier failed to exercise reasonable care in verifying the identity of the person requesting the SIM swap.
• Breach of contract: The carrier’s service agreement may promise certain security protections it failed to deliver.
• Violations of federal telecommunications regulations: The FCC has adopted rules requiring carriers to use secure authentication methods before processing a SIM change, and failure to comply may support a civil claim.

A real-world example: a T-Mobile customer filed suit after losing millions in cryptocurrency through a SIM swap scam involving T-Mobile. These cases demonstrate carriers face significant civil exposure when security lapses enable crypto theft.

💡 Pro Tip: Request your carrier’s internal records showing how the SIM swap was processed. These records may reveal whether the representative followed required verification steps, which is critical to proving negligence.

Exchange Security Failure Claims Under Florida Law

Cryptocurrency exchanges have obligations to protect user accounts, and a breach of those obligations may give rise to civil liability. When an exchange fails to flag a login from an unfamiliar device or location, neglects to implement robust authentication safeguards, or ignores red flags like rapid large withdrawals, victims may have a viable exchange security failure claim.

Terms-of-service agreements between users and exchanges play a central role in these disputes. These agreements often define the exchange’s security responsibilities, limitations on liability, and user rights following unauthorized activity. However, certain contractual limitations may be unenforceable under Florida law if found unconscionable or contrary to public policy. A careful review of the applicable terms of service is essential to identifying whether the exchange met its contractual commitments.

Florida law provides a helpful foundation for these claims. Under Florida’s legal framework, digital currency such as Bitcoin qualifies as a digital asset under state law, providing a recognized legal classification for these holdings and supporting the argument that exchanges owe recognized legal duties regarding protection.

Federal Laws That Support Miami Crypto Hacking Claims

Several federal statutes provide powerful tools for crypto theft victims pursuing civil recovery. The Computer Fraud and Abuse Act (CFAA) prohibits unauthorized access to protected computers and obtaining anything of value through such access. Importantly, the CFAA includes a private right of action allowing any person who suffers damage or loss by reason of a violation to maintain a civil action, provided the claimant demonstrates at least $5,000 in loss or meets other qualifying criteria.

Securities laws may also apply depending on the type of digital asset stolen. Whether a particular cryptocurrency qualifies as a security remains a matter of ongoing regulatory and judicial analysis, with the SEC asserting increasing authority over the crypto industry. Where a token qualifies as a security, it must generally be sold through licensed broker-dealers and traded on approved exchanges. Private investors may enforce securities regulations by filing lawsuits, including claims under Rule 10b-5, which prohibits misrepresentation and fraudulent schemes in connection with securities transactions. However, Rule 10b-5 claims require proof of scienter, an intent to deceive or defraud, which may limit applicability in cases involving negligent security practices rather than affirmative fraud. Many investors bring claims alleging multiple causes of action, including securities fraud alongside breach of fiduciary duty and negligence.

💡 Pro Tip: If your stolen crypto included tokens that may be classified as securities, this could open additional legal avenues. The classification of the specific token matters significantly to the strength and scope of your claims.

Florida Blue Sky Laws and Additional Protections

Florida’s own securities regulations, commonly known as blue sky laws, may provide protections beyond federal law. Certain provisions under Florida’s securities statutes may impose different or less burdensome proof requirements than federal counterparts, making state-level claims easier to establish. A Florida SIM swap attorney can evaluate whether state securities claims apply alongside federal causes of action.

Filing a Civil Case in Miami-Dade County

Miami-Dade County provides accessible pathways for crypto holders to initiate civil claims. The Miami-Dade Clerk of Courts supports eFiling for civil cases, allowing victims to file claims electronically. Filing fees vary by claim amount, with costs structured on a tiered schedule based on the value in dispute.

Small Claims vs. Circuit Court

The appropriate court depends on the amount of cryptocurrency stolen. For lower-value losses, small claims court is available in Miami-Dade County for claims up to $8,000. Claims between $8,000 and $50,000 proceed through County Civil Court, while claims exceeding $50,000 proceed through Circuit Civil Court, where more complex discovery and motion practice are available.

💡 Pro Tip: Even if your individual loss seems modest, review all associated damages carefully. Lost value from price appreciation between theft and recovery, transaction fees, and time spent on mitigation may increase your total compensable loss.

What a SIM Swap Lawyer Can Do for Your Case

An experienced sim swap lawyer understands how to build claims against multiple defendants simultaneously. Dual liability crypto theft cases require coordination across different legal theories, different sets of evidence, and potentially different courts or procedural requirements. A sim swap lawyer Miami victims trust will navigate the intersection of telecommunications law, cybersecurity regulations, and financial services obligations.

Preserving Evidence and Building Your Claim

Time-sensitive evidence preservation is one of the most critical early steps. The Stored Communications Act restricts when and how service providers may disclose stored electronic communications to third parties, affecting what exchanges and carriers can voluntarily turn over and what must be obtained through formal legal process such as a subpoena or court order. Your attorney can issue preservation demands and pursue appropriate legal process to secure records before deletion.

💡 Pro Tip: Do not wait to act. Carriers and exchanges may have limited data retention windows. The sooner you engage legal counsel, the better your chances of preserving the records needed to prove your case.

Frequently Asked Questions

1. Can I sue both my carrier and my crypto exchange after a SIM swap attack?

In many cases, yes. Each party may bear independent liability based on its own failures. The carrier may be liable for negligently processing the SIM transfer, while the exchange may be liable for inadequate security or breach of its terms of service. A SIM swap civil case in Florida can proceed against multiple defendants.

2. What federal laws protect Miami crypto holders from SIM swap theft?

The CFAA prohibits unauthorized computer access and provides a private right of action for victims who suffer qualifying losses. Depending on the type of crypto asset, federal securities laws and Rule 10b-5 may also apply. Florida blue sky laws can offer additional state-level protections.

3. How do I file a crypto theft claim in Miami-Dade County?

Miami-Dade County supports eFiling for civil cases through the Clerk of Courts. Filing fees depend on your claim’s value. An attorney can help you determine the correct court, prepare the complaint, and ensure proper service on all defendants.

4. What evidence do I need for a Coinbase SIM swap lawsuit?

Key evidence includes carrier account records showing the unauthorized SIM transfer, exchange login logs and transaction histories, communications with both companies’ support teams, blockchain records of stolen funds, and any police report documentation. Preserving this evidence early is essential.

5. Does it matter whether my stolen crypto is considered a security?

It can matter significantly. If the stolen tokens qualify as securities, additional legal claims under federal and state securities laws may be available. These claims carry their own standards and potential remedies that could strengthen your overall case.

Protecting Your Rights After a Miami Crypto Account Hack

Miami crypto holders who fall victim to SIM swap attacks should understand that the law may provide multiple avenues for civil recovery. Both carriers and exchanges can face liability when their security failures contribute to the theft of digital assets. Florida law, federal statutes like the CFAA, and potentially securities regulations all offer frameworks for pursuing compensation. The key is acting quickly, preserving evidence, and understanding the specific legal theories that apply to your situation.

If you lost cryptocurrency through a SIM swap or exchange security failure, Kaplan Rothstein Prüss Peraza, P.A. is ready to evaluate your claims. Call (888) 578-6255 or contact the firm today to start exploring your options for recovery.