Cronos Restarts Blockchain via State Rollback Following Multimillion-Dollar Tectonic Exploit
August 31, 2026
Cronos validators resumed block production after rolling back almost 11,000 blocks to undo a massive Tectonic protocol exploit, erasing two hours of global transactions while $6.29 million escaped to Ethereum.
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The Sandbox Guarantees 1:1 Reimbursement Following $14.7M Cross-Chain Bridge Exploit
August 29, 2026
Following an August 22 exploit that drained nearly 14.7 million SAND tokens, metaverse giant The Sandbox has pledged full 1:1 reimbursement for affected users across Base and BNB Chain using treasury funds.
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Rain Card Contract Vulnerability Drains $500K From Solana Neobank Avici Users
August 29, 2026
A vulnerability in an outdated Solana smart contract maintained by card issuer Rain led to a $500,859 exploit affecting 1,685 Avici neobank users. Both companies have pledged full user refunds.
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Critical Vulnerability in Cosmos EVM Module Prompts Emergency Network Halts After Multi-Chain Exploits
August 25, 2026
Cosmos Labs issued an urgent advisory instructing public blockchains running its EVM module to halt operations immediately after a critical flaw enabled exploits across three networks, resulting in massive token losses.
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Devastating Coldcard Vulnerability Triggers $114 Million Loss for Devoted Bitcoin Self-Custody Investors
August 21, 2026
A major security vulnerability in Coldcard hardware wallets has resulted in over $114 million stolen from self-custody Bitcoin holders who followed strict offline security protocols.
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Critical BTCPay Server Vulnerability Triggers Widespread Lightning Node Sweeps
August 19, 2026
A critical zero-day vulnerability in BTCPay Server led to active attacks draining Bitcoin Lightning Network nodes, prompting an urgent security patch release and calls for server operators to update immediately.
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Harmony Emergency Patch Addresses Quorum and Receipt-Replay Flaws Following Unauthorized Mint Claim
August 18, 2026
Harmony releases emergency mainnet patch v2026.1.1 to fix pre-staking quorum and cross-shard receipt-replay flaws following reports of unauthorized ONE token minting.
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