Coinbase rotates major token holdings in a scheduled internal security migration.

Exchange warns users of rising phishing risks during large onchain movements.

Experts flag AI and quantum computing as growing threats to crypto security.

Coinbase moved a significant batch of Bitcoin, Ether, and other tokens on Saturday in a scheduled internal security migration. The exchange said the shift followed its routine process of rotating large balances away from long-used wallet addresses, according to a company announcement. 

The company also verified that there was no connection between the operation and any breach or external threat.

“Migrating wallets periodically is a well-accepted best practice that minimizes long-term exposure of funds. This is a planned migration and unrelated to industry changes or price conditions. This is not in response to a data breach incident or external threat.”

The company clarified that the funds were transferred between Coinbase-managed wallets that were already identified by blockchain analyzers and intelligence services. These labels were used to ensure that the funds remained in the custody of Coinbase for users and analysts. The exchange also said that the transfers within the network bring internal exposure, such that the attackers would no longer pay any attention to the familiar addresses.

Coinbase Warns Users of Phishing Risks During Migration

Coinbase cautioned that fake sellers can seek to use the exposure of such movements. As the report mentioned, fraudsters might reach out to customers with the help of fake warnings impersonating Coinbase employees.

These players usually require usernames or passwords or they ask clients to transfer money. The exchange highlighted the fact that it does not request its users to transfer credentials or redistribute assets via personal messages.

Also Read: Coinbase Purchases Solana DEX Vector.fun to Enhance Trading Options

The firm told the customers to disregard unwanted communication that alludes to the migration. It stated that phishing attacks tend to increase with major transactions on the chain. Hackers follow the blockchain and attack users at the time of uncertainty. Coinbase advised its audience to go through official support channels only.

Source: Arkham Intelligence

AI Tools Expand the Capabilities of Modern Cybercriminals

According to cybersecurity experts, the threats are related to the bigger trends in the crypto industry. Attackers still have centralized servers, information, and hot wallets as their favorite targets. These are large storage environments of data or token reserves. Attacks on such high-value structures are usually planned by the hacker over a period of months.

Analysts have also pointed out that artificial intelligence is increasing the frontiers of attacks. Artificial intelligence tools allow attackers to process information publicly, compare metadata, and find vulnerabilities. This enables scammers to develop more impactful needs and tailor-craft actions to steal credentials.

Quantum computing presents an extra risk to future security. A researcher, Gianluca Di Bella, who works with smart contracts and zero-knowledge proofs, said that in the future, quantum machines would be capable of breaking existing cryptographic defenses. He also said that attackers can already be gathering public keys to prepare against harvest now, decrypt later attack approaches.

Di Bella encouraged the industry to switch over to post-quantum cryptography. He says that the change is required to minimize the risk of new retroactive attacks. The migration of Coinbase reflects the process by which exchanges are constantly evolving their internal processes as the threat environment becomes increasingly complicated.

Also Read: Strategy Plans More Bitcoin Buys, Citing Its 2022 Bear Market Playbook

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Filed under: Bitcoin - @ November 23, 2025 12:15 am