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The best Blockchain Security newsletters

6 newsletters, ranked by editorial quality and how recently they published. Looking for something more specific? Search instead.

asymmetric-research.ghost.io· irregular· Published 4 months ago

Asymmetric Research publishes in-depth security write-ups on blockchain systems, including a fuzzing infrastructure walkthrough for Commonware, a critical Starknet oracle vulnerability disclosure, and a new invariant fuzzing framework for Solana's Stake program. Readers get concrete root-cause analysis and engineering detail on how these bugs were found and how testing can be improved.

fuzz testinglibfuzzerinvariant fuzzingsolana stake programstarknet oracle vulnerabilitypragma oracle
blockthreat.com· weekly· Published 3 days ago

A weekly briefing that tracks blockchain incidents, vulnerabilities and postmortems, with monthly statistics and attack-vector breakdowns. It cuts through AI-driven hype with a grounded view of what actually causes losses, such as broken implementations and supply-chain attacks.

blockchain hackscrypto exploitsdefi securityhardware wallet securityledger supply chain attacksmart contract vulnerabilities

Arsen

Substack
newsletter.arsen.ac· weekly· Published 6 days ago

A blockchain security engineer shares practical methods for studying Web3 hacks and building audit experience without clients, such as reconstructing bad states from code and shadow-auditing live protocols. Each issue gives concrete, step-by-step exercises with worked examples from real exploits and contests.

web3 hackssmart contract auditshadow auditsolana securityevm securitydefi exploits
pulsechain.nexus· weekly· Published yesterday

A crypto newsletter combining a weekly market report with dated security, regulation and stablecoin-freeze coverage, framed around trustless finance. Readers get levels to watch, incident summaries with careful attribution, and regulatory developments from the edge of crypto.

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blog.dem.exchange· irregular· Published 9 days ago

Official blog of the Demex decentralized exchange, covering product updates, a detailed post-mortem of a bridge exploit, and the announcement that the platform is shutting down. Readers get first-party information on platform changes and user fund settlement.

demexdexbridge exploitpost-mortemcosmos sdkplatform sunset
blog.bitfinity.network· weekly· Published 5 months ago

A weekly crypto newsletter for the Bitfinity community that roundup-summarises Bitcoin and global crypto news, with occasional longer essays on DeFi security. It gives readers a digest of industry headlines and infrastructure developments.

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