Iván Párraga's Spanish-language newsletter "La Cadena" covered blockchain, Bitcoin and the Lightning Network, mixing news roundups with short explainers. Its final issue announces the newsletter's closure and his shift toward deeper technical study of Bitcoin development in Rust.
Website: https://www.ivanparraga.com/
Verichains publishes detailed post-mortem analyses of DeFi and smart contract exploits, including AlpsCon, a Safe module flaw and Nimiq's Polygon swap contracts. Readers get step-by-step technical breakdowns of how each attack worked, with transaction references and the underlying design weaknesses.
Proof Street reports on privacy technology, including selective disclosure in Zcash, confidential computing and the architectures behind confidential blockchain transactions. It examines how vendors and standards bodies define terms like 'encrypted in use' and how privacy features work in practice.
Engineering blog from LambdaClass covering Ethereum infrastructure, post-quantum cryptography, formal verification and DeFi tooling. Posts include workshop reports, product announcements and audit updates with concrete technical and operational detail.
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