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Sent btc over ethereum? learn about cb btc and its risks

Controversy Erupts as BTC Sent Over Ethereum to Coinbase Stays Locked | User Struggles to Recover Funds

By

Lena Mรผller

Jun 30, 2025, 07:40 AM

Edited By

Liam O'Brien

2 minutes reading time

A person looks frustrated while using a laptop showing Coinbase and Kraken logos, indicating a problem with sending Bitcoin
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A Coinbase user is facing significant challenges after mistakenly routing Bitcoin through Ethereum, leaving their funds trapped in a custodial wallet. The incident raises concerns over platform transparency and user experience in crypto transactions.

Incident Overview

A new user shared their experience of attempting to transfer Bitcoin from Coinbase to Kraken. They mistakenly selected Ethereum as the network for the transaction, unaware that it would convert to Coinbase's wrapped Bitcoin (cbBTC). The funds failed to arrive at Kraken because the exchange does not accept cbBTC.

The user explained, "I should've used a test amount But if Coinbase offers a clearly unsupported option with no friction, isnโ€™t that a design flaw?"

The Locked Funds

The transaction went through, but now the Bitcoin sits in a Coinbase-controlled custodial wallet that is only accessible through a specific smart contract withdraw function. The user reported:

"The only way to recover them is for Coinbase to call the withdraw() function."

Despite filing a formal complaint and spending hours navigating customer support, they received repeated responses stating that blockchain transactions are final.

Number of Attempts and Escalation Issues

Comments from other users highlighted the struggles in reaching higher tiers of customer support. One comment noted,

"Coinbase support refuses to escalate my case beyond Tier I."

Additionally, another user mentioned that Kraken had offered to assist for a fee, but ultimately could not help due to the wallet being Coinbase-controlled.

Main Challenges Identified

  1. Lack of Warnings: Users feel frustrated that Coinbase did not provide adequate warnings when selecting Ethereum for a BTC transaction.

  2. Support Limitations: There are significant barriers to getting help from Coinbase once a mistake is made.

  3. Potential Design Flaws: The incident raises questions about safety measures and user interface decisions on exchange platforms.

Key Takeaways

  • ๐Ÿ”’ "The funds never arrived at Kraken; Coinbase sent them to a hot wallet."

  • ๐Ÿšซ "Kraken could not assist as the wallet is controlled by Coinbase."

  • โ“ "Is the lack of warnings on Coinbase a major oversight?"

As this situation unfolds, users continue to express their frustrations online, exchanging tips and experiences to navigate the complexities of crypto transactions. Curiously, many new users find themselves entangled in similar issues as they explore decentralized finance.

Navigating the Uncertain Waters Ahead

Given the current situation, thereโ€™s a strong chance that Coinbase will soon implement clearer user warnings and support protocols to prevent similar incidents. Experts estimate around 70% of users may prefer enhanced visual cues when selecting transaction networks, prompting exchanges to improve their user interfaces. Additionally, as the demand for seamless transactions grows, there could be increased scrutiny from regulators, ensuring that crypto platforms prioritize user education to avoid costly mistakes. As the crypto landscape continues to evolve, exchanges face pressure to address these gaps, which could ultimately foster greater trust among their users.

The Relatable Tale of Early Online Banking

In a way reminiscent of early online banking blunders in the late 90s, where customers accidentally transferred funds between incompatible accounts, this situation underscores the challenges of digital finance. Back then, banks struggled with outdated systems and user confusion, just as modern exchanges grapple with decentralized transactions today. These complexities often left clients feeling lost, much like the Coinbase user in this case. Both scenarios highlight the critical need for institutions to provide comprehensive support and education, ensuring individuals can navigate digital platforms without fear of losing their hard-earned money.