Coinbase offers help to Binance

Coinbase is blocking sends to compromised wallets and has offered assistance to Binance during its security incident, chief executive Brian Armstrong said in an October 30 statement. The announcement adds an exchange-level response to the broader effort to contain the incident.

“We've also reached out to Binance to offer our help,” Armstrong wrote at 01:19 UTC.

Yi He acknowledges the offer

Binance co-founder Yi He quote-posted Armstrong's message with a yellow heart at 01:47 UTC. That acknowledgment does not specify whether a particular assistance arrangement was agreed or identify assets secured through Coinbase's intervention.

Armstrong did not give an amount blocked or recovered.

How address controls fit into exchange security

Coinbase has previously described tools for assessing blockchain-address risk. In a December 2023 engineering article, the company explained how transaction patterns and machine-learning models could flag potentially risky addresses. It said address-risk information supported warnings and, in some cases, transaction delays for manual review across its products.

That earlier documentation provides background, not a technical explanation of this response. Armstrong's incident statement did not identify a model, screening rule, wallet list or specific Coinbase product. The company also cautions that its engineering posts describe practices at publication and may not reflect later changes.

Separately, Coinbase's customer allowlisting feature limits sends to addresses in a user's address book. That user-configured setting is distinct from the incident-specific intervention Armstrong announced; his post did not tell customers to change it.

Blocking transfers is not the same as recovering assets

A send restriction addresses a prospective transfer. It does not, by itself, establish that assets already taken from Binance have been returned. Any later recovery claim would need its own evidence and an attributable amount.

For the wider incident and the distinction between secured and returned assets, read The Token Press's Binance incident report and frozen-funds explainer. Our wallets and custody guide explains the differences between exchange-held balances and self-custody.

Information checked October 30, 2026, 05:29 UTC.