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first_img Cronos rolled back the blockchain to recover 111 million USD in stolen funds

Cronos confirmed in a post-mortem report that the attack on the lending platform Tectonic on August 30 involved $120.4 million in borrowing activities. The validators made the "difficult decision" to roll back the on-chain history, successfully recovering approximately $111.2 million (about 92% of the affected funds), while about $9.19 million flowed out before the network was paused and could not be recovered. The attacker leveraged weak DEX liquidity to inflate the price of Tectonic token TONIC by about 100 times within minutes and borrowed $120.4 million through a single transaction across nine markets. The validators paused the network about two hours later, restoring the chain to the last block before the suspicious activity, with block production resuming approximately 11 hours after the attack. The rollback involved reversing 1 hour and 54 minutes of on-chain history, totaling 10,961 blocks, with all transactions within that window being canceled, regardless of whether they were involved in the attack. Cronos stated that the alternative would have been to restart the network without restoring the previous state, which would have left the stolen assets in the hands of the attacker. This rollback closely followed Harmony's announcement of a similar plan, while Flow abandoned its rollback proposal last December due to community opposition. The validator cap for Cronos is 100, which facilitated quick coordination for the pause and restart, but also indicated that the network's finality in emergencies depends on validator consensus.

Analysis: The Bitcoin "Realized Market Value Momentum Indicator" has turned positive after 93 days, signaling a recovery in on-chain capital flow

The "Realized Cap Impulse" indicator for Bitcoin has recently ended a continuous 93-day negative state and has turned positive for the first time, marking the longest reversal signal after a capital contraction cycle since the bear market of 2022.This indicator measures the momentum of changes in the realized market capitalization by tracking the changes in realized cap, combined with factors of Bitcoin supply and price, to assess whether the flow of tokens with actual economic significance in the market is driving capital base expansion. The positive shift in the indicator does not merely reflect a price increase but indicates that the flow of funds within the Bitcoin network is changing.Data shows that the indicator broke above the zero axis on August 20 when the BTC price was around $73,000 and has maintained positive values for 8 consecutive days. Currently, the BTC price has risen to about $78,900, an increase of approximately 8% during this period.As of the latest, the indicator reading is 0.198, below the peak of 0.226 reached on August 26. Historical data indicates that similar signals at the end of bear markets have been accompanied by significant rebounds in Bitcoin: after the indicator turned positive in September 2015, Bitcoin rose about 160% within a year; after March 2019, it increased about 173% in 90 days; and after January 2023, it rose about 45% in 90 days, with a yearly increase of 104%.However, the realized cap momentum indicator is not an absolute signal of a cycle bottom. Similar positive shifts occurred in early 2018 and 2022, but the market did not immediately enter a sustained upward phase afterward. Analysts believe that the indicator's continued positive value, confirmed by price trends, is more valuable than a single-day breakthrough above the zero axis.
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