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Cambridge Study: US Hosts ~31% of Ethereum Nodes; Over One-Third Nodes Offline Could Impact Finalization

Odaily Odaily A new study by the Cambridge Centre for Alternative Finance reveals that approximately 31% of Ethereum node activity is located in the United States, with another 39% distributed across EU countries excluding the UK, indicating that the geographic distribution of Ethereum nodes remains relatively concentrated in Western nations.Lead researcher Alexander Neumuller stated that while node distribution is not currently concentrated in any single country, it is heavily reliant on a few major cloud service providers, including Hetzner, Amazon AWS, and OVH. Notably, the Ethereum network does not require half of its validators to fail for problems to arise. If more than one-third of validators go offline simultaneously, the network may be unable to finalize block checkpoints (finalization). Neumuller pointed out that nodes and validators do not have a one-to-one correspondence; a single node may run multiple validators. Therefore, it is currently impossible to precisely assess the actual impact on the validator network from the failure of a specific node or service provider.Furthermore, the study reassessed the energy consumption of Ethereum following The Merge. Data shows that Ethereum's current annual energy consumption is approximately 7.9 GWh, equivalent to a continuous power draw of about 1 MW. This represents only about 0.02% of pre-merge levels, a reduction of approximately 99.98%. Currently, over 56% of the energy used by the Ethereum network comes from sustainable sources, exceeding the global average.The study also noted that client software diversity is another potential risk. If a dominant client software has a vulnerability, it could affect a large number of network participants. The report was published by the Cambridge Centre for Alternative Finance and supported by the Ethereum Foundation. (The)

Ostium trading remains paused, user margin funds remain frozen

Odaily reports, perpetual contract DEX Ostium stated that platform trading remains paused following a security incident. User positions remain open but cannot be modified for now, and trading margin funds are still held in the frozen trading smart contract without any movement.Ostium stated that its team is continuously coordinating with relevant authorities, SEAL 911, and multiple security researchers. Updates regarding the resumption of smart contract activities and the timeline for fund recovery will be released subsequently.According to PeckShield monitoring, approximately 24 million USDC from Ostium's public OLP vault was stolen. The attacker subsequently swapped these funds for approximately 12,100 ETH, of which about 10,500 ETH was transferred to Tornado Cash.

Ostium OLP Vault Attacked, Approximately $24 Million USDC Stolen and Transferred to Tornado Cash

According to monitoring by on-chain analyst PeckShield (@PeckShieldAlert), the public OLP vault of decentralized perpetual contract protocol Ostium (@Ostium) was attacked, with approximately 24 million USDC stolen. The attacker subsequently swapped the stolen funds for 12,080 ETH and has transferred 10,540 ETH into the mixer Tornado Cash to obscure the fund flow. On-chain tracing shows that the attacker's initial funds originated from ChangeNow and Bybit, with 1 ETH transferred from each to the attacker's wallet (0x321D...8bfD9).

DeBank user musti_akrep exploits Ostium vulnerability to profit 23.75 million USDC and exchange for 12,085 ETH

according to on-chain analyst Yujin's monitoring, half an hour ago, an address (0x321...bfd9) with the DeBank username musti_akrep profited 23.75 million USDC by exploiting a vulnerability on Perp DEX Ostium and withdrew it. The 23.75 million USDC was withdrawn to the Arbitrum chain and immediately exchanged for 12,085 ETH at a price of $1,965. Currently, these 12,085 ETH remain on the Arbitrum chain.

LayerZero_Core Executor wallet allegedly hacked, multi-chain losses of $2.1 million

according to on-chain detective Specter's monitoring, the LayerZero_Core Executor wallet may have been compromised, resulting in a total multi-chain loss of $2.1 million. The attacker bridged the stolen funds to Ethereum via Stargate and Relay, and is currently holding 955 ETH (worth $1.78 million) and 322,000 USDC. CyversAlerts first identified this suspicious activity.

BarnBridge governance attack reportedly causes approximately $776,000 in losses

According to BlockSec monitoring, the BarnBridge SMART Yield cUSDC protocol was attacked on Ethereum, resulting in losses of approximately $776,000, suspected to be a governance attack. The attacker first gained DAO governance rights, then upgraded the SmartYield/controller proxy to a malicious implementation contract. This contract called the _takeUnderlying privileged function of CompoundProvider, utilizing pre-existing USDC approvals from 50 user accounts, and via transferFees, moved the aggregated funds to the attacker.

Starknet Launches Compliant Privacy Framework STRK20

According to Odaily Planet Daily, Ethereum ZK Layer2 Starknet has officially launched the compliant privacy framework STRK20, providing native privacy transaction capabilities for various digital assets on-chain. The framework operates based on a privacy pool mechanism. Once user assets are deposited into the privacy pool, all transactions are encrypted, with details such as transfer addresses and amounts being invisible to the outside. Developers can quickly integrate this privacy system using the accompanying SDK and wallet API, catering to the private transfer needs of various ERC-20 assets. STRK20 incorporates a complete compliance process: users must undergo pre-screening before entering the privacy pool; only upon receiving a legally effective formal query request and after an independent assessment, will the platform selectively disclose specific users, corresponding time periods, or designated transfer records, without revealing the private data of unrelated users.

Hackers hack into SpaceXAI and Starlink accounts to promote SCATMAN, profiting approximately $125,000

According to Lookonchain monitoring, hackers hacked into the SpaceXAI and Starlink accounts to issue and promote SCATMAN. The hacker's wallets (0xfee...a8ba, 0xdd...ba89) minted 10 trillion SCATMAN and exchanged all of them for 59 ETH, worth $108,000; another wallet under their control also exchanged 59.28 million SCATMAN for 14.7 ETH, worth $27,000. The hackers profited a total of approximately $125,000.

Two hackers today spent a total of 11.718 million DAI to purchase 6,454.7 ETH

: According to monitoring by on-chain analyst Yu Jin, the hacker (0x18B...E66) who stole funds from a Coinbase user spent 7.378 million DAI early this morning to buy 4,049.7 ETH at a price of $1,822. Meanwhile, the address (0xa13...628) that received ETH from Tornado Cash last November had previously transferred out 4,978 ETH and exchanged them for 16.294 million DAI at a price of $3,273. Today, two hours ago, this address spent 4.34 million DAI to repurchase 2,405 ETH at a price of $1,804.

Suspected hacker wallet buys 6,358 ETH with 11.59 million DAI

据链上分析师 Onchain Lens(@OnchainLens)监测,两个疑似属于同一实体的钱包地址以 1159 万枚 DAI 买入 6358枚 ETH,成交均价约为 1823 美元。Onchain Lens 表示,相关资金可能与黑客有关。

Ethereum Foundation: AI Discovers Vulnerability That Could Cause Validator Nodes to Go Offline, But Manual Verification Still Required

According to CoinDesk, the Ethereum Foundation recently disclosed that its security team used AI agents to test the software running on Ethereum validator nodes and successfully discovered a vulnerability that could be triggered remotely, causing node crashes. However, researchers emphasized that amidst the large volume of security reports generated by AI, manual review remains a key step in distinguishing real vulnerabilities from false positives. Reportedly, the vulnerability discovered resides in the Ethereum network message propagation protocol gossipsub, where attackers can remotely trigger the node software into an abnormal computation state, causing the program to crash and shut down, taking the validator node offline until the operator manually restarts it. The vulnerability has been fixed and registered under the number "CVE-2026-34219". Nikos Baxevanis, a member of the Ethereum Foundation Protocol Security Team, stated that the truly surprising aspect of this incident was not the AI's ability to discover vulnerabilities, but the significant amount of time the team spent distinguishing which vulnerabilities were real and which were merely plausible "hallucinations".

A Solana OG had 181,000 SOL stolen, and the hacker swapped them for 7,918 ETH

According to Lookonchain monitoring, a Solana OG had 181,000 SOL stolen. The hacker sold all 181,000 SOL, bridged the funds to Ethereum, and exchanged them for 7,918 ETH, worth $14.2 million.

Hedera Network suspected of being hacked, attacker has bridged $3.7 million to Ethereum

: According to on-chain detective Specter's monitoring, the Hedera Network is suspected of being hacked. The attacker has bridged over $3.7 million from the Hedera Network to Ethereum via LayerZero. The stolen funds are currently being swapped from WBTC to ETH. The theft addresses include 0x9A4966152F6e10b33Cb7a37975e8619816d6a494 and 0xaf20D792A19fD42dCf697ceBa6100291D96dD93e.

ZachXBT: Suspected Attack on Early Solana Whale, Approximately 180,900 SOL Transferred

on-chain detective ZachXBT disclosed in a personal channel post that a whale suspectedly suffered an asset theft a few hours ago, with approximately 180,900 SOL (worth about $14.2 million) being abnormally transferred. ZachXBT stated that he collaborated with another on-chain security analyst, Specter, to analyze the related transactions, identifying unusual unstaking activities and fund transfers from the Solana network across to Ethereum. It is reported that the address belongs to one of Solana's early participants and is associated with the Genesis block allocation. This unusual operation involves a large amount of SOL assets. The specific attack method, destination of the funds, and whether it was due to a private key leak have not yet been confirmed.

Ethereum Foundation uses AI agents for red team testing of the ETH network and discovers real vulnerabilities

researchers from the Ethereum Foundation Protocol Security team said in a blog post on Thursday that they have deployed a series of AI agents to test the software relied upon by Ethereum, searching for vulnerabilities in encryption systems, protocol code, and smart contracts. The vulnerabilities discovered by the AI agents include a remotely triggerable panic issue in the libp2p gossipsub peer-to-peer layer used by Ethereum consensus clients. The issue has been fixed and disclosed on Github as CVE-2026-34219. Researchers stated that the AI agents are organized into specialized roles such as reconnaissance, search, patching, and verification, used to find potential attack paths, reproduce faults, and verify their applicability to production code. The Ethereum Foundation stated that AI has not replaced security researchers but has changed the way they work, enabling the team to cover far more scope than manual review. However, it requires researchers to exercise more careful judgment when evaluating a large number of seemingly credible conclusions. (Decrypt)

Summer.fi Attacker Moves 1.35 Million DAI, Swaps for ETH via Uniswap and Transfers to Tornado Cash

Odaily Odaily News According to Onchain Lens monitoring, on July 6, the Summer.fi attacker wallet (0x7BF...b3bdca) received 6.017 million DAI from the Summer.fi attack incident; subsequently, 1.35 million DAI have been transferred, swapped for ETH via Uniswap, and then sent to Tornado Cash through a second wallet (0x46e...eba7). The original wallet still holds approximately 4.67 million DAI, while the second wallet still holds 50 ETH.

Gate 回应"被盗170万美元"传言:操作记录完整可溯源,不存在系统安全漏洞

Gate 华语官方 X 账号发文披露,针对网传"Gate 被盗 170 万美元"事件,Gate 官方对完整操作时间线进行了还原。7月 4 日至 6 日期间,涉事账户通过活体人脸验证、历史交易记录核验等多重身份验证,完成了手机解绑、谷歌验证码重置、登录密码及资金密码修改等操作;7月 7 日,该账户在一台历史老设备上通过旧 Passkey 登录,随后经全面身份验证完成 5 笔提现,共涉及约 49.96 ETH、746,475 枚 HSK 及 1,565,982 枚 USDT;7月 8 日,用户方才向客服反馈资产被盗。Gate 强调,所有操作轨迹均来源于平台后台完整留存数据,可溯源核验,目前全站用户资产及账户安全。

Summer.fi Attacker Is Splitting 6.017 Million DAI and Converting to ETH for Mixing

According to Onchain Lens monitoring, the Summer.fi attacker is actively transferring funds. The relevant address is splitting 6.017 million DAI into multiple small transactions and swapping them for ETH via Uniswap.

After 5 months of silence, Step Finance attacker sells $21.4 million in SOL and transfers to Tornado Cash

According to Lookonchain, the Step Finance attacker, after 5 months of inactivity, sold all 261,933 SOL, worth $21.4 million. The funds were then bridged to Ethereum to purchase 12,128 ETH, which were subsequently deposited into Tornado Cash to launder the money.

hinkal will fully compensate user funds, confirming approximately 797,000 USDC was extracted by an attacker and swapped for 454 ETH

decentralized privacy protocol hinkal has released an update on a security incident, confirming that an attacker extracted approximately 797,000 USDC from its Ethereum contract through a series of transactions and exchanged it for about 454 ETH. Of this, roughly 410 ETH was subsequently transferred to Tornado Cash, while the remaining approximately 44.67 ETH was bridged to the Bitcoin network via THORChain. hinkal is currently collaborating with an external security team to trace the flow of funds.hinkal stated that the impact of this security incident is limited to the relevant fund pools on the Ethereum chain, and contracts on other chains remain unaffected. However, all contracts have been temporarily suspended for fixes and security verification. All affected users will be fully compensated at a 1:1 ratio, with specific compensation procedures and timelines to be announced in a subsequent update.