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Crypto Security
331 TokenPost stories are tagged Crypto Security. The newest appear first.
Latest Crypto Security stories
- Victims Recovered 0.8% of $1.18 Billion in 60 January-August 2026 Exploits by Sept. 2
By the cutoff, $9.8 million had reached victims, $81.4 million was frozen but not returned, and $287.1 million remained in attacker wallets that could not be frozen.
· Technology
- One Q3 Crypto Security Tally Put Losses at $1.28 Billion
The tally counted 268 incidents and listed adjusted losses of $877.8 million; other Q3 estimates were lower.
· Technology
- Cysic Blacklisted a Wallet 76 Minutes After a 10 Million CYS Mint
The wallet sold 7.2 million CYS before the blacklist took effect. About 306.6 ETH worth roughly $727,000 reached Ethereum.
· Technology
- Mark Karpelès Says Ledger Support Overstated Genuine Check’s Reach
Ledger’s Genuine Check cannot detect unauthorized physical changes when the original Secure Element remains intact.
· Technology
- Ledger CEO Rebukes Former Mt. Gox Chief Over Wallet Implant Warnings
Ledger CEO Pascal Gauthier challenged former Mt. Gox CEO Mark Karpelès after Karpelès estimated clearer warnings might have prevented more than $90 million in losses.
· Technology
- Karpelès Develops Tool to Scan Closed Hardware Wallets for Hidden LTE Antennas
The concept uses a faint radio signal and resonance measurements to flag a possible antenna. A prototype is expected in the coming weeks.
· Technology
- Qubic Says Attackers Moved About 2.94 Trillion QU From 1,404 Wallets
Qubic attributed the transfers to insufficient randomness in some wallet seeds and said the flaw was outside its protocol.
· Technology
- Qubic Pauses Network After $1.3 Million QU Theft Hits 1,404 Wallets
About 2.94 trillion QU was taken; 87.1% remains on the halted network, and the other 12.9% was frozen at MEXC.
· Technology
- MEXC and Bitget Suspend QUBIC Transfers for Different Reasons
MEXC cited a request from Qubic’s project team, while Bitget said its pause was for wallet maintenance and took effect Oct. 18.
· Business
- Crypto Losses Rise 55% to $1.18B Across 107 Q3 Incidents
About $906.8 million was tied to compromised suppliers or developer tools, uninstalled security fixes and components outside the latest review.
· Technology
- Cysic Halts Cross-Chain Bridge After 10 Million CYS Minted Without Authorization
About 2.8 million CYS remain at a blacklisted address. Cysic’s mainnet and users’ existing wallet assets were unaffected.
· Technology
- Autheo Renews THEO Warning as Linked Sales Reach 291.7 ETH
Transaction analysis traced about 291.7 Ether (ETH) in THEO sales. The receiving Ethereum wallet held 700.81 ETH after bridge transfers, including about 400.8 ETH already there before the incident.
· Technology
- Ledger CEO Pushes Back on Claim Earlier Disclosure Could Have Prevented $90 Million in Losses
Gauthier said Ledger had done its utmost to protect users and urged Karpelès to stick to known facts and avoid speculation.
· Technology
- Karpelès Says Ledger Warnings Could Have Prevented More Than $90M
A six-chain tally found $102 million in wallet outflows, but Ledger has not confirmed that amount as losses.
· Technology
- Ledger Implant Shows How Genuine Hardware Wallets Can Be Tampered With
An on-chain tally put outflows at $102.0 million from 335 wallets across six networks, but it does not establish total losses.
· Technology
- Pirate Chain Plans Hard Fork to Address Unauthorized Mint of 39.8 Million ARRR
The proposed upgrade has no announced block height or activation date, and the project has not explained how it relates to an earlier rollback target.
· Technology
- Lopp’s Archive of Crypto Holder Attacks Tops 700 Known Cases
Hundreds of previously unlisted incidents expanded the archive. A separate record lists 669 cases across 72 countries through Oct. 11.
· Technology
- UNCX Says Smart Token Vesting V2 Exploit Caused $807,600 in Losses
The attack affected four networks and 10 tokens; a white-hat returned 82.1435 million X tokens and 23.8682 ETH.
· Technology
- Bitcoin Quantum Upgrade Path Remains Unsettled After Coinbase Workshop
Participants at a workshop did not agree on an exact approach; BIP 360 targets long-exposure attacks but adds no post-quantum signatures.
· Technology
- Crypto Custody Author Urges Users to Keep AI Off Wallet Devices
The guidance recommends 2-of-3 multisignature wallets for frequently moved assets and using a separate device to photograph signing screens for AI review.
· Insights & Views
- NEAR Intents Recovered $3.8 Million After 23 Failed Deposits
A contract flaw let failed deposits remain credited, enabling withdrawals through a cross-chain system. All funds were recovered within 36 hours of the vulnerability’s discovery.
· Technology
- Ledger Links Verified Wallet Theft Cases to CryptoBilis Devices
One examined device contained an unauthorized module connected to its screen. Ledger advises some recent buyers to move assets to a new device with a fresh recovery phrase.
· Technology
- UNCX Vesting Bug Led to $1.49 Million Gross Drain Estimate
A stale share count in Vesting V2 enabled oversized claims, affecting 10 tokens across Ethereum, BNB Chain, Robinhood Chain and Base.
· Technology
- Karpelès Says MediaMarkt Ledger Nano X Contained Spy Implant
X user Johannes sent one device to Karpelès and another to Ledger. Ledger said its German stock inspections found no tampering and that it had not examined devices shown online.
· Technology
- More Than 60 Bitcoin (BTC) Stolen From Three Ledger-Linked Addresses
The addresses received BTC on Sept. 22 and were emptied into one wallet on Oct. 9. Chainalysis linked the suspected operator to a task scam involving fake sales and product reviews.
· Technology
- Osmosis Community Flags bOSMO Bug After 50% Redemption Overpayments
About 40,508 OSMO is planned for 1,037 accounts after an Oct. 24 unstaking.
· Technology
- Pirate Chain Says Bug Enabled Unauthorized Minting of 39.8M ARRR
The new tokens increased total supply by roughly 20%; dPoW notarization is temporarily paused as exchanges and mining pools are asked to halt related operations voluntarily.
· Technology
- Ledger Says Criminals Spent Millions on Wallet Theft Infrastructure
The modified devices were resold through Southeast Asian dealers. Ledger said checks found no other tampered wallets in the channels it inspected.
· Technology
- Pirate Chain Says Exploit Created 39.8 Million ARRR Tokens
The network remains operational as developers work on recovery and ask users to keep funds in place.
· Technology
- bOSMO Minting Bug Leaves Token Underbacked as Plan Excludes Later Buyers
The live flaw still permits cheap minting, putting liquidity pools at risk. Buyers after the eligibility snapshot are excluded from compensation.
· Technology
- ChangeNOW Fixes Website Flaw and Announces New Security Initiative
Email addresses and transaction details may have been exposed, though the flaw did not provide access to customer balances or assets.
· Technology
- Ledger’s $849 Atom Reservation Draws Criticism After Suspected $86M Losses
The Founders Edition requires a fully refundable $100 deposit, and Ledger plans to launch Atom in 2027.
· Technology
- Ledger Tightens Reseller Rules After $102 Million Wallet Theft
Modified devices captured 24-word setup phrases and sent them over mobile networks; the estimate covers 324 wallets across six networks.
· Technology
- Tampered Ledger Wallets Sold Through CryptoBilis Targeted Recovery Phrases
The estimate covers 324 wallets across six networks through Oct. 15. Ledger has not confirmed a total.
· Technology
- Ledger Details Hardware Wallet Tampering Aimed at Recovery Phrases
The company said modified devices were returned through reseller channels in Southeast Asia and asked authorized sellers there and in Hong Kong to pause sales.
· Technology
- Ledger Bars Resale of Returned Devices and Pulls Wallets From Displays
Authorized dealers must store inventory in warehouses and hand devices to customers at purchase.
· Technology
- Ledger Brings Android Apps to Atom With Separate Crypto Signing
The data-only device will offer Seeker and OpenClaw, while a hardware-controlled mode handles crypto approvals.
· Technology
- Ledger Asks Retailers to Pause Sales in Southeast Asia and Hong Kong
New rules keep wallets off display and bar the resale of returned devices, even if they appear unopened.
· Technology
- Crypto Hacks Left $384 Million Unrecovered After $1.18 Billion in Q3 Losses
The 107 incidents included $387 million returned or reversed and $410 million in user losses covered by operators. Supplier and developer tool compromises, undeployed fixes and infrastructure beyond audit scopes accou…
· Technology
- Broad Security Weaknesses Accounted for 77% of Q3 2026 Crypto Hack Losses
Crypto hacks caused $1.18 billion in gross losses across 107 incidents. Four cases, led by Bitget and Liquid Network, made up about 80% of the total.
· Technology