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[SITUATION] · [ACTIVE] · [TECHNOLOGY]

3 clusters · 41 sources · 9 days · First seen · Last updated

Cronos blockchain Tectonic protocol exploit

Overview

The Cronos blockchain experienced a major security breach involving the Tectonic decentralized lending protocol. Attackers executed a price manipulation exploit on the protocol’s governance token, TONIC, inflating its value nearly 100-fold within a 20-minute window due to thin market liquidity. This allowed the attacker to use the artificially high-value token as collateral to borrow significant amounts of other liquid assets.

Initial reports estimated the exploit affected approximately $75 million in assets, causing Tectonic’s total value locked to drop from roughly $121.7 million to about $3 million. To contain the theft, Cronos validators coordinated an emergency halt of block production lasting over ten hours.

Following the halt, validators performed a network rollback, restarting the chain from a snapshot taken before the exploit occurred. This action erased approximately 11,000 blocks of history and the stolen assets from the ledger. While the rollback helped mitigate the impact, total estimated losses were later cited in a range between $75 million and $120 million. The incident highlighted a lack of price-deviation safeguards or circuit breakers within the protocol to reject anomalous price spikes reported by oracles.

Cronos has since confirmed that $9.19 million in funds were permanently lost. The manipulation of TONIC collateral generated approximately $120.4 million in total borrowing activity. While the network rollback successfully recovered approximately $111.2 million, roughly 7.6% of the affected funds remained unrecovered after being transferred off-chain.

Entities

Cronos · TONIC · Redstone · TONICs · Tectonic Protocol

Timeline

  1. 4 days ago

    [TECHNOLOGY] 5 sources
    Cronos confirms $9.19 million lost after Tectonic exploit rollback

    Cronos validators recovered $111.2 million of a $120.4 million Tectonic protocol exploit via a network rollback, though $9.19 million remains permanently lost.

  2. 10 days ago

    [TECHNOLOGY] 2 sources
    Cronos network performs rollback following Tectonics exploit

    A price manipulation exploit on the Tectonics protocol drained an estimated $75M–$120M from the Cronos network, prompting validators to halt block production and perform a full network rollback.

  3. 12 days ago

    [TECHNOLOGY] 36 sources
    Cronos blockchain halts after $75M Tectonic protocol exploit

    The Cronos blockchain halted operations following a $75 million exploit of the Tectonic lending protocol, where attackers manipulated the TONIC token price to borrow massive amounts of assets.

Sources

abmedia.io · altcoininvestor.com · ambcrypto.com · bitcoinbazis.hu · bitcoinethereumnews.com · bitcoinke.io · bitnewsbot.com · blockcast.it · blockchainseoul.kr · blockonomi.com · blocktempo.com · blogs.airdropalert.com · coinedition.com · coinpedia.org · cointelegraph.com · cointrust.com · criptotendencias.com · crypto-insiders.nl · crypto.news · cryptobriefing.com · cryptonomist.ch · cryptopolitan.com · cryptoticker.io · detlionblood32.wordpress.com · ethnews.com · flagthis.com · it-boltwise.de · journalducoin.com · mycryptoparadise.com · news.bitcoin.com · planningassociates.com.au · portaldobitcoin.uol.com.br · silviabillycostaliberi.noblogs.org · tekedia.com · therecord.media · therogueginger.com · tokenpost.com · tokenpost.kr · tronweekly.com · valor.globo.com · zombit.info

This summary has been updated 1 time: see revision history