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As cryptocurrency adoption grows, security news remains critical in addressing risks such as hacking, fraud, and smart contract vulnerabilities. From exchange breaches to wallet exploits, cybersecurity in the crypto space is constantly evolving. New security protocols and decentralized solutions aim to enhance protection for investors and blockchain networks alike.
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A five-year firmware error turned Coldcard into the largest known Bitcoin seed-theft, while AI-assisted analysis of the broader ecosystem is surfacing how systematically the industry has underestimated the same class of vulnerability. On July 30, 2026, a coordinated sweep removed…
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Ethereum Foundation is recruiting a protocol security researcher to use artificial intelligence, fuzz testing, and manual audits to find vulnerabilities across Ethereum’s core infrastructure. Ethereum security role covers the full protocol According to the job posting, the researcher will join…
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Bridges move assets between blockchains using lock-and-mint, burn-and-mint, or liquidity pool mechanisms, but their trust assumptions have made them the most exploited category in crypto. Introduction Blockchains do not talk to each other. Ethereum cannot read Solana’s state. Arbitrum cannot…
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Smart accounts replace seed phrases with passkeys, social recovery, and gas sponsorship, making self-custody usable without memorizing 12 words. Introduction The standard advice for anyone entering crypto has not changed in a decade: write down 12 words, store them offline,…
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A testnet is a separate blockchain network that mirrors a production chain’s rules and functionality but uses tokens with no monetary value. It is where developers break things, test upgrades, and discover bugs before those bugs can cost anyone real…
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A zero-knowledge proof lets one party prove to another that a statement is true without revealing any information beyond the truth of the statement itself. It is the cryptographic technique behind blockchain privacy, scalable rollups, and a growing number of…
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On November 29, 2024, a perpetual futures exchange called Hyperliquid distributed 31% of its total token supply to users who had traded on the platform. There was no venture capital allocation to dilute the drop. There was no points program…
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Every guide says a liquidity lock means safer. On launchpads paying creator fees, the lock is the scam’s revenue engine. What it does and does not cover.
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AmericanFortress has proposed a post-quantum security scheme designed to protect existing Bitcoin, Ethereum, and Solana wallet addresses without requiring holders to move funds or rotate their keys. ZK-PoSP uses wallet seeds to authorize transactions AmericanFortress released the technical paper for…
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SparkKitty malware scans mobile photos for crypto wallet seed phrases after spreading through iOS, Android and third-party app marketplaces.
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Strategy, BlackRock and seven firms form a $15M Bitcoin security group, funding developers and research into future quantum computing risks.
BTC
Bitcoin
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Crypto wrench attacks reached 52 in H1 2026, with recorded financial exposure rising 1,079% to $124.1 million, according to a CertiK report.
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Crypto institutions move beyond audits after operational failures drove 88.3% of Q2 losses, with monitoring and signer safeguards in focus.
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David Schwartz says the SEC repeatedly treated XRP itself as a security before a 2023 court ruling separated the token from Ripple sales.
XRP
XRP
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Claude Mythos 5 can find software flaws faster than almost any human. What its return means for crypto bridges, protocols, and DeFi security.
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Taiko says its June 21 attack path is closed and plans a four-step restart after a bridge exploit raised safety concerns for users.
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