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Following
SAND The Sandbox has suspended its token bridging function to the Base and BNB chains after being attacked and unsecured SAND tokens were minted. The team urgently suspended cross-chain transfers while assessing losses. The Sandbox Bridge attack once again reminds us that cross-chain infrastructure remains one of the most vulnerable links in the cryptocurrency space, a concern that directly affects Southeast Asian retail traders who hold SAND on multiple networks.
The Sandbox Bridge Attack Incident
According to the project's statement on X, The Sandbox confirmed that it had suspended bridging functions on the Base and BNB chains after the attack resulted in the minting of SAND tokens that were not supported by locked collateral. As a deterrent measure, the bridging operation was immediately suspended.
In the bridging mechanism, tokens on the target chain should be backed by a one-to-one mortgage by the assets locked in the original chain. The so-called "unsecured" tokens refer to units that exist on the Base or BNB chains but lack corresponding collateral, which means that the circulating supply on these chains no longer reflects real reserves.
Security company Blockaid also flagged activity related to the incident, while Crypto Briefing reported on the pause. Suspension of recharge and withdrawal is a standard preliminary measure to prevent the further spread of unsecured tokens.
Key Points
The Sandbox suspended SAND bridging on the Base and BNB chains after being attacked.
The attack minted SAND tokens that were not backed by locked collateral.
Cross-chain transfers have been suspended while the team is evaluating supply and risk exposure.
Impact of bridging suspension on SAND holders and cross-chain activity
Bridge suspension freezes top-ups, withdrawals and token liquidity between affected chains. Holders of chains that move SAND to Base or BNB may not be able to perform back-bridge operations before service is restored.
Unsecured minting immediately raised questions about supply integrity and redemption risks. If the number of tokens present on a chain exceeds the collateral available for redemption, the encapsulated version may trade at a discount or lose anchor completely, which is a core risk in any bridging failure.
SAND transactions on centralized exchanges are separate from bridging suspensions. Users of regional exchanges such as Indodax, Tokocrypto and Coins.ph should distinguish between spot balances and cross-chain bridging: the suspension covers bridging transfers and does not necessarily affect listing transactions on all exchanges.
What to Focus on next
A pause usually means that the team is checking balances and measuring exposure to contain it. According to preliminary reports, the most important follow-up actions will be incident review, checking SAND supplies against lock-in reserves, and clarifying conditions for restarting the bridge. Because the report is still early and incomplete, the specific attack method and the scale of the unsecured casting have not yet been confirmed.
Southeast Asian holders should rely only on official channels before attempting any transfer. Pay attention to The Sandbox's own updates on collateral verification and restart notices rather than acting on second-hand news, especially considering how quickly bridging incidents spread during trading hours in Jakarta, Bangkok and Manila.
The matter is still developing and details of the attack have yet to be verified. We will update it based on confirmation results released by The Sandbox and independent security researchers.
