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Crypto security — hacks, exploits, and post-mortems

Smart-contract exploits, bridge hacks, phishing campaigns, and exchange breaches cost the crypto industry billions every year. Our security coverage reports each major incident as it surfaces — root cause where known, on-chain forensic trails, attacker addresses, fund flows through mixers and bridges, recovery efforts, and post-mortems published by the affected protocols and audit firms. We also follow the white-hat ecosystem, bug bounty programs at Immunefi and Code4rena, ongoing audits, and the security-tooling vendors (formal verification, runtime monitoring) working to reduce the next breach.

Smart-contract exploitsBridge & oracle hacksExchange breachesPhishing & social engineeringPost-mortemsAudits & bug bounties

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Security

Glassnode: 1.92M Bitcoin Exposed to Quantum Computing Risk

Blockchain analytics firm Glassnode classified 1.92 million BTC, or 9.6% of total supply, as vulnerable to quantum compu...

May 21, 2026, 08:01 AM
GlassnodeBitcoin
Security

Binance's CZ Warns Developers to Rotate Keys After GitHub Breach

GitHub confirmed that thousands of internal repositories were accessed without authorization. Binance founder Changpeng ...

May 20, 2026, 08:02 AM
GitHubBinance
SecurityExchanges

Bankr Disables Transactions After 14-Wallet Security Breach

Bankr halted all transactions after 14 user wallets were compromised in a security incident, with users reporting signif...

May 20, 2026, 08:01 AM
Bankr
SecurityMacro

Ethereum Better Positioned Than Bitcoin for Quantum Threats, Report Says

A new report from blockchain security experts argues that Ethereum faces fewer risks than Bitcoin from quantum computing...

May 20, 2026, 07:04 AM
EthereumBitcoin
ExchangesSecurity

Swan Bitcoin Faces $970M Lawsuit Over Prime Trust Collapse

Swan Bitcoin is defending a $970 million lawsuit alleging the company moved 11,994 Bitcoin, cash, stablecoins, and XRP f...

May 19, 2026, 09:03 AM
Swan BitcoinPrime Trust
SecurityDeFi

ECHO Token Falls After $76.7M Admin Key Exploit Enables Unauthorized eBTC Minting

An attacker compromised Echo Protocol's admin key and minted $76.7 million in unauthorized eBTC, using the fake tokens t...

May 19, 2026, 09:01 AM
Echo ProtocolECHO
SecurityDeFi

Echo Protocol Pauses Bridge After $76M eBTC Exploit on Monad

Echo Protocol halted its bridge after an attacker minted approximately 1,000 unauthorized eBTC tokens worth $76 million ...

May 19, 2026, 09:01 AM
Echo ProtocolPeckShield
SecurityRegulation

Ohio Man Sentenced to 9 Years for $10M Cryptocurrency Ponzi Scheme

An Ohio resident received a 9-year prison sentence for operating a $10 million cryptocurrency Ponzi scheme that defraude...

May 19, 2026, 04:02 AM
Crypto Briefing
Layer 1Security

Google AI Breakthroughs at I/O 2026 May Reshape Blockchain Security Standards

Google will announce AI advancements at its I/O 2026 conference with potential implications for blockchain governance an...

May 19, 2026, 04:01 AM
GoogleGoogle I/O
Layer 1Security

Cardano Plans Quantum-Resistant Cryptography Migration, Hoskinson Says

Cardano founder Charles Hoskinson disclosed plans to migrate the network toward quantum-resistant cryptography to defend...

May 19, 2026, 02:15 AM
CardanoCharles Hoskinson
AdoptionSecurity

Bitcoin Depot Files for Bankruptcy, Raising Questions on ATM Funds

Bitcoin Depot, a major operator of Bitcoin ATMs, has filed for bankruptcy. The filing raises questions about the safety ...

May 18, 2026, 12:04 PM
Bitcoin Depot
Security

Phishing Scam Impersonates Google Alerts to Target Crypto Traders

Threat actors are sending emails that impersonate Google security alerts to lure cryptocurrency traders toward fake logi...

May 18, 2026, 12:01 PM
Google
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