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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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SecurityLayer 2
2 Sources

Blockstream Rejects Hacker's $50M Bounty Demand After Liquid Sidechain Theft

Blockstream is refusing to pay approximately 600 Bitcoin (roughly $50 million) to the attacker who exploited its Liquid ...

Sep 12, 2026, 09:02 AM
BlockstreamLiquid
Security
2 Sources

XRP Healthcare Shuts Down After Wallet Flaw Drains 4,011 Accounts of $452,000

XRP Healthcare confirmed that unauthorized transactions drained $452,000 from 4,011 user wallets, prompting the platform...

Sep 11, 2026, 10:04 PM
XRP HealthcareXRP Ledger
RegulationSecurity
2 Sources

U.S. Treasury Sanctions Xinbi Guarantee, DOJ Restrains $52M in Crypto

The U.S. Treasury designated Xinbi Guarantee, a Chinese-language platform, as a sanctions target for operating a widespr...

Sep 11, 2026, 04:06 PM
U.S. TreasuryDepartment of Justice
SecurityLayer 2
4 Sources

Blockstream Refuses Ransom Demand After Liquid Network Bitcoin Exploit

Blockstream announced it will not pay a ransom for approximately 598.5 BTC remaining under the control of hackers who ex...

Sep 11, 2026, 11:05 AM
BlockstreamLiquid Network
Security
2 Sources

Trezor and BitBox Warn Users of Phishing Campaign Targeting Wallet Holders

Trezor and BitBox warned users Wednesday of phishing emails impersonating security alerts, exploiting breaches at third-...

Sep 11, 2026, 09:05 AM
TrezorBitBox
DeFiSecurity
2 Sources

Summer.fi Pauses Lazy Summer Vaults After $6M Exploit

DeFi protocol Summer.fi halted its Lazy Summer vaults Tuesday after an exploit drained approximately $6 million in user ...

Sep 11, 2026, 01:12 AM
Summer.fiSUMR
Layer 2Security
2 Sources

Liquid Network Resumes Block Production After $320M Bitcoin Withdrawal

Liquid Network restarted block production Thursday after a $320 million Bitcoin withdrawal halted the sidechain. The inc...

Sep 10, 2026, 09:09 PM
Liquid NetworkBlockstream
RegulationSecurity
2 Sources

Malone Lam Pleads Guilty to $245M Bitcoin Theft, Faces RICO Charges

Singaporean fraudster Malone Lam pleaded guilty to stealing approximately $245 million in Bitcoin and using RICO statute...

Sep 10, 2026, 11:09 AM
Malone LamBitcoin
SecurityAdoption
2 Sources

Trezor Users Targeted in Phishing Campaign Following Email Provider Breach

Trezor's email provider was compromised, enabling attackers to send fake security alerts to wallet users claiming a hard...

Sep 10, 2026, 08:01 AM
TrezorBitcoin
DeFiSecurity
2 Sources

Bonk DAO Treasury Drained of $20M in Governance Attack on Solana

An attacker spent approximately $4 million in Bonk tokens to acquire sufficient voting power to pass a malicious governa...

Sep 10, 2026, 06:02 AM
BonkSolana
SecurityDeFi
2 Sources

BonkDAO Attacker Moves $19M Stolen Funds Into New Shadow DAO

The wallet responsible for BonkDAO's $20 million governance attack has moved most of the stolen BONK tokens into a multi...

Sep 9, 2026, 12:10 PM
BonkDAOBONK
Layer 1Security
2 Sources

Ethereum Sets 2029 Quantum Resistance Deadline, Reshaping Protocol Roadmap

The Ethereum Foundation has made quantum resistance a top priority with a 2029 deadline, citing concerns that quantum co...

Sep 9, 2026, 03:02 AM
EthereumEthereum Foundation