News topic
Blockchain security
Network, wallet and blockchain-infrastructure security.
Image: CoinDeskColdcard Hacker Wallet Becomes an On-Chain Graffiti Wall for Pleas and Laundering Pitches
According to media reporting by CoinDesk published on August 5, 2026, an attacker-controlled Bitcoin address holding approximately $36 million in stolen funds from the recent Coldcard hardware wallet exploit has transformed into an unconventional public message board. Victims and opportunists have utilized Bitcoin's OP_RETURN function to attach permanent text messages to micro-transactions directed at the wallet, a development that is not officially confirmed by law enforcement.
Latest coverage
Blockchain security
Page 5 of 6
CoinDeskColdcard Hacker Wallet Becomes an On-Chain Graffiti Wall for Pleas and Laundering Pitches
According to media reporting by CoinDesk published on August 5, 2026, an attacker-controlled Bitcoin address holding approximately $36 million in stolen funds from the recent Coldcard hardware wallet exploit has transformed into an unconventional public message board. Victims and opportunists have utilized Bitcoin's OP_RETURN function to attach permanent text messages to micro-transactions directed at the wallet, a development that is not officially confirmed by law enforcement.
crypto.newsDavid Schwartz Weighs In on Reported $100M Coldcard Hardware Wallet Vulnerability and Custody Risks
According to reporting by crypto.news, Ripple CTO Emeritus David Schwartz compared the reported Coldcard hardware wallet security breach to historical traditional finance breakdowns, while industry trackers estimate significant stolen amounts that remain not officially confirmed by all regulatory bodies.
crypto.newsColdcard exploit drives record OKX inflows as users rethink self custody
According to crypto.news, OKX has reported record inflows to its centralized exchange following the Coldcard hardware wallet exploit, as the company says users are increasingly prioritizing managed custody after one of the largest known Bitcoin wallet security incidents, a claim that is not officially confirmed by independent entities.
CoinDeskColdcard Urges Immediate Bitcoin Migration As Active Wallet Exploit Continues
According to reporting by CoinDesk, Coldcard developers have urged users to move their bitcoin immediately as an active wallet exploit continues. This severe security threat, not officially confirmed by independent third-party audits at scale, has allegedly drained roughly $114 million from self-custodied wallets across multiple device models and firmware versions.
decrypt.co via LBankCrypto Privacy Tools Serve 'Essential Protective Functions': Report by ChangeNOW, CoinRabbit
A report by non-custodial platform ChangeNOW and digital asset management firm CoinRabbit highlights the critical role of crypto privacy tools in safeguarding financial autonomy amid authoritarian governance, corporate data risks, and physical coercion threats. While the findings are not officially confirmed, the analysis underscores growing concerns about blockchain transparency's dual impact on privacy and compliance. The report cites TRM Labs data estimating $158 billion in 2025 illicit crypto inflows, with 84% of fraud proceeds using stablecoin networks. Key stakeholders include high-net-worth individuals, corporations, and users under sanctions.
CoinDeskSolana Foundation CISO Warns Artificial Intelligence Is Escalating Crypto Social Engineering Risks
According to CoinDesk reporting, Solana Foundation Chief Information Security Officer Michael Coates stated that artificial intelligence vulnerabilities and synthetic identities will catalyze the upcoming wave of blockchain security threats. This assessment has not officially confirmed any specific active attacks within the Solana ecosystem.