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Cryptocurrency Hacks Set Record in First Half of 2026, Losses Exceed $1 Billion

In the first half of 2026, losses from hacker attacks on cryptocurrency projects have exceeded $1 billion, with the number of verified attack incidents reaching a record high for the same period in history, described as "the half-year with the most hacker attacks on record." However, in terms of value, overall losses remain lower than the same period last year, mainly because a $1.5 billion attack incident occurred at Bybit in 2025, raising the baseline.

Drift hacker transferred 23,000 ETH into Tornado Cash, worth approximately $44.4 million

According to on-chain analyst PeckShield (@PeckShieldAlert), the address labeled "Drift Exploiter" has deposited 23,095.1 ETH (approximately $44.4 million) into Tornado Cash for mixing, and additionally transferred 0.85 ETH to Bybit.

Midnight Foundation: Wanchain Cardano<>BNB Bridge Attacked, Multiple Exchanges Jointly Freeze Related Assets

According to an official post from Midnight Foundation (@midnightfdn), the Wanchain Cardano<>BNB cross-chain bridge suffered a security attack. Currently, multiple major exchanges including KuCoin, Kraken, Binance, Bybit, OKX, and MEXC have responded rapidly, taking preventive measures to restrict the flow of stolen assets, including freezing relevant accounts and addresses, blacklisting the attacker's wallets, and suspending NIGHT token deposit and withdrawal services. The exchanges confirmed that this incident is an isolated third-party bridge vulnerability and is unrelated to the Midnight Network mainnet and the NIGHT asset itself.

Midnight:Multiple Exchanges Including Binance Freeze Funds Involved in Cross-Chain Bridge Attack

the Midnight Foundation has provided an update on the handling of the cross-chain bridge attack event involving Wanchain Cardano and BNB. Multiple exchanges including KuCoin, Kraken, Binance, Bybit, OKX, Gate, and MEXC have coordinated risk control actions, temporarily freezing the involved accounts and associated addresses, adding the hacker wallet to a blacklist, and pausing NIGHT token deposits and withdrawals as needed to curb the transfer and cashing out of stolen assets.The Foundation specifically noted that this security incident is an isolated incident related to a third-party cross-chain bridge, and the Midnight mainnet and native NIGHT assets have not been affected. The project team continues to collaborate with major exchanges and ecosystem partners to advance traceability investigations, reminding the community to rely on official disclosures for information and to be cautious of misinformation.

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).

Dragonfly Partner: DeFi "Hacker Doomsday" Warning Failed to Materialize, AI Hardening Significantly Improves Security of Major Protocols

Dragonfly 管理合伙人 Haseeb Qureshi(@hosseeb)在 X 平台发文,距 OpenZeppelin 创始人 Manuel Aráoz 发出"DeFi 全面不安全"警告已过去两个月,数据显示所谓"黑客末日"并未成真。 数据显示,2026年 DeFi 被盗金额年化值低于 2025 年全年,即便剔除异常月份(如 Bybit 黑客事件、Drift 及 KelpDAO 事件)后对比,2026 年每月被盗金额仍低于 2025 年;按 TVL 标准化后,2026年 DeFi 资金被盗比例同样略低于 2025 年。 Haseeb 指出,当前呈现出"攻击次数上升、单次规模下降"的结构性特征——攻击者主要针对无力承担 AI 安全加固成本的小型协议和废弃项目,而已完成 AI 代码加固的大型协议安全性实际上有所提升。他总结称,"DeFi 中平均每一美元的安全性与一年前持平,将资金存放于大型协议大概率是安全的。"

CertiK Hack3D Report: Web3 Losses Exceed $1.3 Billion in the First Half of 2026, Attacks Accelerate Towards High-Value Targets

Odaily, Web3 security firm CertiK has released the "Hack3D: First Half of 2026 Report." The report shows that the Web3 ecosystem experienced 344 security incidents in the first half of 2026, with cumulative losses of approximately $1.32 billion. Although this figure represents a 46.8% decrease compared to the same period last year, excluding the impact of the $1.45 billion security incident involving Bybit, the scale of losses in the first half of this year actually increased by approximately 28% year-on-year, indicating that the overall security environment in the industry has not materially improved.The report points out that wallet theft has become the attack type causing the greatest financial loss, accounting for approximately $450 million in losses in the first half of the year. Meanwhile, although the number of phishing attacks fell by more than 50% year-on-year, the loss amount only decreased by approximately 10.8%, reflecting that attackers are shifting towards high-net-worth individuals and institutional targets, carrying out more targeted high-value attacks.Furthermore, code vulnerabilities remain the most frequent type of attack, with 204 related incidents. CertiK believes that attackers are increasingly targeting long-running legacy smart contracts that lack re-audits. The report also shows that mega-attacks continue to dominate industry losses, with the Kelp DAO and Drift Protocol incidents alone causing approximately $577 million in losses, accounting for 44% of the total losses in the first half of the year. Looking at the number of incidents, the impact of single attacks, and the changing attack patterns, the Web3 industry is facing more complex and continuously escalating security challenges.

CertiK: Crypto Hacking Losses Down 47% YoY in First Half of 2026, But Ecosystem Not Safer

CertiK warned that the decline in losses was primarily due to a single massive Bybit hack incident worth $1.4 billion during the same period last year; excluding this factor, attacks are becoming "more targeted and more destructive per incident," with private key and multi-signature wallet management remaining the most critical security risk exposures.

CoinEx Emerges as Key Hub for Iran Sanctions Evasion, Involving Over $3.8 Billion in Funds

According to The Wall Street Journal, blockchain public-chain data analysis shows that Iranian entities have conducted over $3.84 billion in transactions via the cryptocurrency exchange CoinEx to circumvent U.S. economic sanctions. Investigators traced funds linked to two digital wallets controlled by the Central Bank of Iran and found connections to the $1.5 billion stolen by North Korean hackers from the Bybit exchange. After flowing through complex, multi-layered transaction paths, these funds ultimately entered CoinEx—making it one of the central channels through which Iran uses cryptocurrencies to bypass sanctions.

Immunefi CEO claims AI models lead to surge in crypto security vulnerabilities

Odaily, Mitchell Amador, CEO of bug bounty platform Immunefi, stated at the WAIB Summit that new AI models such as Claude Opus 4.8 and ChatGPT 5.5 are shifting the balance of cybersecurity offense and defense in favor of attackers, leading to a resurgence in crypto hacks in 2026. Data from DefiLlama shows that in April 2026, illicit actors stole over $634 million from crypto platforms, the highest monthly total since the Bybit hack in February 2025 drove losses of approximately $1.4 billion.Amador stated that the crypto industry is in a critical survival period for the next three to four years until security teams leverage similar AI models to build codebases that attackers cannot breach; if the industry adopts more crowd-sourced security solutions, this timeline could be shortened to within two years. The latest Claude Mythos model, Fable 5, from AI company Anthropic, previously raised concerns about accelerating the ability to exploit crypto vulnerabilities.Anthropic stated that Fable 5 has safeguards in place that will redirect topics related to cybersecurity and similar fields to Claude Opus 4.8. On April 19, an attacker transferred approximately 116,500 restaked Ethereum (rsETH) from Kelp DAO's LayerZero-based rsETH bridge, valued at around $290 million to $293 million at the time. Cross-chain protocol LayerZero stated that the 1/1 decentralized verification network configuration of Kelp DAO relied on a single verification path for processing cross-chain messages, creating a single point of failure. (Cointelegraph)

More than 80 crypto industry cyberattacks occurred in Q1 2026, doubling year-on-year

AML/KYT provider Shard disclosed that the number of cyberattacks targeting the cryptocurrency industry in Q1 2026 doubled year-on-year, exceeding 80 incidents; however, total losses declined by 69% year-on-year to $496 million, down from $1.6 billion in the same period last year. Shard noted that losses in Q1 2025 were primarily driven by a major theft incident involving Bybit, valued at approximately $1.4 billion; in contrast, attacks in Q1 2026 were more dispersed, targeting DeFi protocols, infrastructure services, and individual users. On a monthly basis: 29 attacks occurred in January, causing losses exceeding $392 million; 26 attacks occurred in February, causing losses exceeding $22 million; and 27 attacks occurred in March, causing losses exceeding $81 million.

DxSale Accused of Transferring Approximately $7.3 Million from Early BNB Chain Locked Liquidity Pools

According to on-chain investigator Eye, DxSale is suspected of withdrawing approximately $7.3 million from some of its early liquidity pools locked on BNB Chain since 2021—impacting over 1,400 LPs. Eye stated that the attack involved silent ownership transfers and over 80 wallet hops. Eye noted that the newly used wallet address in the attack received 104 BNB from Bybit 20 hours prior to the liquidity pool withdrawal, and subsequently received approximately 1,200 BNB after the funds were withdrawn from the liquidity pools. Thereafter, this address transferred roughly 3,400 BNB in total to two wallets, with the related funds already withdrawn via multiple Binance deposit addresses.

Bybit Collaborates with University of Hong Kong Student Team on Anti-Money Laundering Research

According to an official announcement, Bybit recently completed an innovative anti-money laundering (AML) research collaboration with a student team from The University of Hong Kong (HKU). This collaboration used Bybit’s February 2025 security incident as a case study, providing HKU Business School master’s students with hands-on experience in blockchain investigations and AML analysis.

CertiK CEO: AI Is Turning DeFi Defense into an "Unfair Game"

Ronghui Gu, co-founder and CEO of CertiK, stated that AI tools are exacerbating the imbalance between attack and defense in DeFi security, making it easier for attackers to discover vulnerabilities and replicate attack paths across different protocols.He pointed out that the DeFi security situation was particularly severe in April of this year, with only 3 days that month free from hacker attacks, resulting in cumulative losses exceeding $690 million for DeFi protocols. Excluding the Bybit attack in February 2025, April has become the month with the highest losses from DeFi hacks since March 2022.Ronghui Gu believes that attackers can concentrate significant computing power to repeatedly test a single protocol, whereas security companies need to serve multiple clients simultaneously with dispersed resources, putting the defense side at a natural disadvantage. Meanwhile, the focus of recent attacks is also shifting from smart contract vulnerabilities to operational security and weak points in the supply chain.He emphasized that even if AI fails to find vulnerabilities over an extended period, it does not prove the code is completely secure; under current technical conditions, formal verification remains a more reliable method for ensuring security.

CertiK Report: North Korean Hackers Caused ~60% of Digital Asset Thefts in 2025, Attack Pattern Shifts Toward 'Offline Infiltration'

Odaily, Web3 security firm CertiK has released the "Skynet North Korean Crypto Threat Report." Data shows that since 2016, North Korean hacking groups have accumulated approximately $6.75 billion in stolen digital assets. In 2025 alone, their thefts amounted to $2.06 billion in losses, accounting for nearly 60% of the total annual losses in the global crypto industry (including the $1.5 billion Bybit hack). As of early 2026, this threat trend continues, with losses attributable to them making up about 55%.The report emphasizes that the North Korean hackers' attack patterns have fundamentally shifted, evolving from mere code vulnerability exploitation into a state-level attack system combining social engineering, deep supply chain attacks, and 'physical infiltration.' In the recent Drift protocol incident, attackers even spent six months infiltrating offline industry conferences, building trust through real financial transactions and personal interactions before launching the attack.CertiK security experts warn that in the face of such systemic attacks, purely technical defenses are proving inadequate. Crypto institutions urgently need to fully implement a 'zero-trust' hiring model, reinforce third-party supply chains, establish fund circuit breaker mechanisms, and collaborate with professional security firms to build a full lifecycle defense system covering code auditing, round-the-clock risk monitoring, and on-chain anti-money laundering/KYT (Know Your Transaction) fund tracking.

ZachXBT: US Law Firms' "Free-Riding Claims" May Hinder Recovery and Compensation of Funds for Hacking Victims

Odaily Odaily PaperImperium, the head of MegaETH, disclosed on X platform that documents from the U.S. District Court for the Southern District of New York show that a U.S. court has issued an injunction against the Arbitrum DAO, prohibiting it from transferring approximately $71 million in ETH assets that were previously frozen during the KelpDAO hacking incident. In response, on-chain detective ZachXBT posted on X platform, stating that certain U.S. law firms are using his investigative work and on-chain forensics to help victims of some hacking incidents file legal claims. However, this practice may actually slow down or hinder victims from receiving compensation or recovering funds.ZachXBT added that in previous hacking incidents involving the Lazarus Group, such law firms often stepped in after on-chain fund tracking or freezing was completed, proposing subsequent legal actions that were weakly related to the crypto incidents themselves. Similar "free-riding claims" strategies were used in events like Harmony and Bybit. He called on the crypto community to establish a DAO to resist such practices.

CertiK: Crypto security incidents in April resulted in losses of $651 million, the highest monthly loss since March 2022

According to CertiK Alert (@CertiKAlert), cryptocurrency security incidents in April 2026 resulted in total losses of approximately $651 million, of which around $3.5 million stemmed from phishing attacks. This marks the highest monthly loss since March 2022 (approximately $715 million), second only to the Bybit hack in February 2025 (excluded from comparison).

An address deposited 1.397 million UNI tokens—worth approximately $4.6 million—to three exchanges two hours ago.

According to on-chain analyst Ai Aunt (@ai_9684xtpa), the address 0xb5E…Fc24e deposited a total of 1.397 million UNI tokens—worth approximately $4.6 million—into three exchanges two hours ago. Notably, the Bybit deposit address has had multiple interactions with the DeFi crypto fund DeFiance Capital, which is an investor in both Aave and LayerZero—two entities closely linked to the recent Kelp DAO hack incident.

Mantle plans to lend 30,000 ETH to Aave, with confirmed bailout funds covering approximately 43,500 ETH

According to information from the governance forum, Bybit’s public chain Mantle plans to lend 30,000 ETH to Aave to address the bad debt risks arising from recent security incidents.According to statistics from crypto analyst Ember (@EmberCN), the confirmed scale of bailout funds is estimated to cover a shortfall of approximately 43,500 ETH.

KelpDAO’s stolen funds have entered the laundering phase: part of the funds has been bridged across chains to the Bitcoin network via THORChain, and over 400 addresses have already been utilized.

According to on-chain analyst Specter (@SpecterAnalyst), the North Korean hacking group TraderTraitor began laundering stolen funds from KelpDAO at approximately 3 a.m. Beijing time today—just three hours after the Arbitrum Council froze 30.7 ETH (approximately $71 million). The attackers split the remaining funds across three wallets, holding roughly 25,000 ETH (~$57.6 million), 25,700 ETH (~$59.2 million), and 25,000 ETH (~$57.9 million), respectively. The third wallet immediately initiated laundering operations and now holds only about 3,800 ETH (~$8 million). The majority of the funds were bridged to the Bitcoin network via THORChain, with approximately 99% flowing through this protocol. As a result, THORChain’s daily trading volume surged to $211 million—more than ten times its 30-day average—and generated roughly $189,000 in fees. During this laundering process, the illicit proceeds were also commingled with funds stolen in the BTC Turk (2025) and Bybit (2025) hacks. To date, approximately 442 BTC (~$33 million) linked to these incidents have been traced on the Bitcoin network, and over 400 addresses have been utilized throughout the entire laundering operation.