Flow Validators Urged To Halt Work After Chain Rollback

deBridge founder Alex Smirnov has urged validators on the Flow blockchain to stop processing transactions until the Flow Foundation devises a remediation plan for users impacted by its controversial rollback of the chain.

The rollback was in response to the theft of $3.9 million on Dec. 27 when an attacker exploited a flaw in Flowโ€™s execution layer and siphoned funds off the chain via multiple cross-chain bridges.

deBridge is one of Flowโ€™s main bridge providers and Smirnov called on Flow to clarify plans to address doubled balances for users who bridged out during the rollback window.

Flow validators havenโ€™t been able to heed Smirnovโ€™s call just yet, as data from Flowscan shows that the Flow blockchain remains stuck at block height 137,385,824, where it has been since 11:24 pm UTC on Saturday.

Around the same time, the Flow Foundation said the blockchain was expected to restart within the next four to six hours. The exploit and Flowโ€™s rollback have driven the FLOW token down 42% since the attack, CoinGecko data shows.

Rollback sparks debate

Chain rollbacks are controversial because they undo confirmed transactions, creating uncertainty over user account balances while undermining confidence in the networkโ€™s decentralization and security.

Smirnov slammed the โ€œrushed decision,โ€ claiming that Flow failed to notify ecosystem partners that it would rollback the chain, and argued that the chain rollback would cause even more financial damage than the original exploit:

โ€œA rollback introduces systemic issues that affect bridges, custodians, users, and counterparties who acted honestly during the affected window.โ€

That includes crypto exchanges listing the Flow (FLOW) token, which Smirnov noted could have put them in a difficult position regarding how to handle deposits and withdrawals during the rollback window.