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Posts tagged with

blockchain security

Core Pulls Back 186M Tokens After Reward Exploit

Core DAO removed 186.153 million CORE through an emergency upgrade after a reward-accounting flaw released roughly 255 million tokens ahead of schedule, while about 69 million CORE remains outside the reconciliation.

Kadim

September 6, 2026
6 min read

Core DAO CORE crypto exploit +4

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validator rewards token supply hard fork blockchain security
Polygon Reveals Patched Flaws That Could Have Crashed PoS Nodes

Polygon disclosed security and liveness flaws in its Bor and Heimdall clients after Austin and Kyoto hard forks patched them; the project says no mainnet exploitation or fund loss was observed.

Kadim

August 31, 2026
5 min read

Polygon POL blockchain security +5

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hard fork Bor Heimdall validator security crypto infrastructure
Avici Says 1,685 Users Hit in $500K Card-Contract Exploit

Avici said a vulnerable Solana card contract affected 1,685 customers and $500,859.22 in balances, while the crypto-card platform and partner Rain pledged full refunds.

Kadim

August 30, 2026
6 min read

Avici Rain Solana +5

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crypto card crypto exploit DeFi security self custody blockchain security
Ajna v2 Users Told to Exit After $775K Liquidation Exploit

Ajna v2 users were told to withdraw funds, repay loans and stop interacting with the Ethereum lending protocol after a liquidation-logic exploit drained an estimated $775,400 from seven pools.

Kadim

August 30, 2026
6 min read

Ajna Ajna v2 DeFi lending +5

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Ethereum crypto exploit liquidation logic blockchain security DeFi security
Fogo Foundation Says 400M Tokens Moved in Security Compromise

Fogo Foundation says an unknown actor transferred about 400 million FOGO tokens after a security compromise, while the high-speed SVM blockchain remained online.

Kadim

August 29, 2026
6 min read

Fogo FOGO blockchain security +4

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crypto hack wallet compromise SVM token security
MANTRA Post-Mortem Puts August Exploit at 720.9M Tokens, $3.6M

MANTRA Chain says an attacker transferred 720.9 million MANTRA tokens, valued at about $3.6 million before the incident, from a burn address and legacy multisig in the August Cosmos EVM exploit.

Kadim

August 29, 2026
7 min read

MANTRA MANTRA Chain Cosmos EVM +5

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crypto exploit blockchain security RWA token supply chain outage
Cosmos EVM Flaw Drained $5.72M Across Six Chains, Post-Mortem Says

Cosmos Labs says attackers exploited a critical Cosmos EVM balance flaw across six networks, moving an estimated $5.72 million through DEXs and centralized exchanges before accounts were frozen.

Kadim

August 29, 2026
7 min read

Cosmos Cosmos EVM ATOM +5

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blockchain security crypto exploit Cosmos SDK MANTRA chain upgrades
Zilliqa Confirms 683M ZIL Theft in Ledger App Failure

Zilliqa's post-mortem confirmed 683.13 million ZIL was stolen through a flaw in its legacy Ledger app, exposing 6,772 accounts and freezing legacy transactions.

Kadim

August 25, 2026
6 min read

Zilliqa ZIL Ledger +5

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hardware wallet crypto security wallet exploit blockchain security Zilliqa EVM
Sui Adds Quantum-Safe Accounts, Targets Mainnet Authentication in 2027

Sui plans quantum-safe vaults this year and native ML-DSA-65 account authentication in Q1 2027, allowing users to keep their recovery phrase and address.

Kadim

August 7, 2026
5 min read

Sui SUI quantum-safe accounts +5

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post-quantum cryptography ML-DSA-65 SLH-DSA blockchain security quantum computing
Crypto Hacks Just Hit a Record 207 in Six Months

TRM Labs says crypto hackers carried out a record 207 attacks in H1 2026, but losses fell to $972M as private keys and infrastructure drove the biggest thefts.

Kadim

July 5, 2026
6 min read

crypto hacks TRM Labs North Korea +5

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DeFi security private keys smart contract exploits crypto crime blockchain security
Aptos Bug Put $70B in Crypto Risk in Play

A patched Aptos Move VM flaw found by Hexens gave researchers a near-90% attack success rate in simulations, raising bridge and stablecoin risk questions.

Kadim

July 4, 2026
7 min read

Aptos APT Hexens +5

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Move blockchain security crypto hacks bridges stablecoins
Algorand Sets 2027 Deadline to Make Its Blockchain Quantum-Resistant

Algorand plans native post-quantum accounts in Q3 2026 and broader quantum resilience by the end of 2027, including wallets, staking and consensus.

Kadim

June 20, 2026
6 min read

Algorand ALGO quantum computing +5

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post-quantum cryptography Falcon-1024 blockchain security layer 1 NIST