Hack News

Crypto news, in-depth analysis and latest market developments tagged Hack. The COINOTAG editorial desk keeps the archive continuously updated.

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July 31, 2026 at 05:52 AM UTC

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Bitcoin (BTC) Wallet Sweep Moves 594 BTC in Three Blocks
Bitcoin News A coordinated sweep of 594.48 BTC across 500 transactions in a three-block window has coincided with a Coldcard Mk3 security advisory from Coinkite. The Canadian hardware maker said on July 30 that seeds created on Mk3 firmware 4.0.1 through 5.0.3 may put funds at risk, whil
Jul 31, 2026
XRP Staking Scam Drains $8.5M in Fake Flare Network Site
XRP News A fake staking portal that imitated Flare Network and its FXRP token drained 3.4 million units of XRP (XRP) from 71 investors over eight days last October, Seoul police said on July 30. The loss was valued at 12.3 billion won, or $8.5 million, making it one of the more concentra
Jul 30, 2026
Ethereum Leads $332M First-Half Hack Losses
Crypto News Ethereum (ETH) recorded the largest chain-level loss total in the first half of 2026, with $332 million stolen from protocols on its network, according to blockchain-security research published July 28. The figure sat inside a broader crypto-wide toll that exceeded $1 billion
Jul 29, 2026
Worldcoin (WLD) Faces AI Safety Test After OpenAI Agent Breaches Four Services
Worldcoin News Worldcoin (WLD), an altcoin tied to proof-of-humanity and AI-era identity, is being watched closely after new safety disclosures showed how hard autonomous software can be to contain. The central event involved an Open
Jul 29, 2026
Cardano Bridge Exploit Drains 515 Million NIGHT Tokens
Cardano News A security breach on a Cardano cross-chain bridge drained roughly 515 million Midnight (NIGHT) tokens, sending the privacy network's token to an all-time low near $
Jul 21, 2026
Ethereum-Based Summer.fi Shuts Down After $6.04M USDC Vault Exploit
Crypto News Summer.fi, the Ethereum-based decentralized finance platform, will wind down operations after a $6.04 million exploit drained two of its USDC vaults, the company confirmed. The team said the July 6 attack on its Lazy Summer Protocol destroyed the capital needed to rebuild, le
Jul 16, 2026
Hedera Oracle Exploit Drains $9M From Bonzo Lend, Including 34.5M Wrapped HBAR
HBAR News Hedera-based lending protocol Bonzo Lend lost roughly $9 million after an attacker manipulated the price of the SAUCE token used as collateral, draining the pool for far more than was ever deposited. The incident, disclosed in a preliminary report over the weekend, struck a dec
Jul 11, 2026
Ethereum Foundation AI Agents Uncover Validator-Crashing Bug CVE-2026-34219
Ethereum News Ethereum's core developers turned coordinated AI agents loose on the network's own client software and surfaced a genuine, remotely triggerable vulnerability capable of knocking validator nodes offline. The flaw lived inside gossipsub, the peer-to-peer messaging layer that
Jul 11, 2026
Hedera HBAR Exploit Tally Climbs to $5.25 Million in Bridged Funds
HBAR News Hedera (HBAR), the enterprise-focused distributed ledger, was hit by an exploit that has driven tracked losses past $5 million, according to on-chain data first surfaced over the weekend. The incident came to light on Saturday when blockchain trackers flagged suspicious outflow
Jul 11, 2026
Cardano’s EMURGO Steps Down From Pentad Governance After $2.4M Hack
Cardano News Cardano (ADA) came under renewed pressure after EMURGO, one of the network’s three founding entities, formally stepped down from the Pentad — the cooperative body that steers Cardano’s strategic governance. The token slipped
Jul 9, 2026
BONK Treasury Loses $20M to Malicious Governance Vote
BONK News South Korea's three largest digital-asset exchanges — Upbit, Bithumb and Coinone — placed BONK, the Solana-based meme coin, under a formal trading-caution designation on July 7. The exchanges' official announcements state the flag took effect at 4:00 p.m. local time and runs th
Jul 7, 2026
BONK DAO Loses $20 Million in Malicious Governance Attack
BONK News BONK (BONK), the largest meme token on Solana, suffered an estimated $20 million treasury drain after attackers pushed through a malicious on-chain governance proposal, the project confirmed. The stolen tokens have begun moving toward centralized exchanges, raising fears of imm
Jul 6, 2026
Summer.fi Loses $6 Million in Active DeFi Exploit, SUMR Token Slides
Crypto News A live exploit drained roughly $6 million from Summer.fi, the front-end for the onchain Lazy Summer vault protocol, in the second recorded DeFi breach of July. Security monitoring surfaced the incident on Monday morning, with on-chain data pinning early losses near $6 million
Jul 6, 2026
Cardano SecondFi Breach: 129M ADA Worth $18.5M Moved by White Hat
Cardano News Cardano (ADA) is at the center of an $18.5 million wallet breach after a self-described white hat hacker moved 129 million ADA out of vulnerable SecondFi wallets. The disclosure, made on June 25 by Cardano founder Charles Hos
Jun 29, 2026
Bitcoin Near $61K Amid Extreme Fear as ADA Yoroi Exploit, Solana DEX Mania Grip Markets
Crypto News Activity on Solana-based decentralized exchanges turned frenetic over the past 24 hours, with speculative trading pairs delivering extreme moves. The most-watched altcoin pairs included FITNESS/SOL, which led trending scr
Jun 25, 2026
Bitcoin Near $66K as Aztec Hack Drains $2.19M, Dunamu-Naver Merger Faces Probe
Crypto News Bitcoin clawed back toward the $66,000 mark, yet the recovery is showing little conviction. On-chain data points to fading strength: trading volumes are thinning and network activity remains subdued, while momentum gauges and on-balance volume still sit near <a href="https://
Jun 16, 2026
Nvidia Raises $25B for AI Push as Aztec Loses $2.19M to Settlement Exploit
Crypto News Chipmaker Nvidia returned to the debt market on Monday with a $25 billion investment-grade bond sale, its first since 2021 and one of the largest corporate offerings of the year. Investor demand was extraordinary: order books swelled past $85 billion, more than three times th
Jun 15, 2026
Humanity Token Hack Halts Deposits, Anthropic Blocks Fable 5, Bitcoin Holds Near $65K
Crypto News Crypto community channels lit up over Humanity (H), an altcoin where a security breach forced several exchanges to suspend deposits and withdrawals while traders braced for a June 25 token unlock. With Korean-exchange bal
Jun 15, 2026
SpaceX Stock Lists on Solana, ETF Assets Top $1B as Raydium Suffers $1.34M Exploit
Solana News SpaceX shares are poised to begin trading on Solana the same day the company is expected to list on Nasdaq, an aggressive push to bring newly listed U.S. equities on-chain from day one. A tokenized version called SPCX, issued by regulated brokerage Backpack alongside tokeniza
Jun 11, 2026
Morpho Raises $175M, Zoomex Logs $5.25B Volume, $1.58M TOP Governance Hack
Crypto News Derivatives venue Zoomex closed May with execution metrics that underscored how technical reliability draws volume even when Bitcoin chops sideways. The platform reported 24-hour futures turnover above $5.25 billion again
Jun 9, 2026