Edward Snowden risked everything to expose the US govt’s system of mass surveillance, reveals for the 1st time the story of his life, including how he helped to build that system & what motivated him to try to bring it down
A groundbreaking look at the NSA surveillance scandal from the reporter who broke the story, Glenn Greenwald, star of Citizenfour - documentary on @Snowden
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Privacy in #Monero (with FCMP) vs. #Zcash Shielded
When focusing solely on cryptographic theory, two major privacy engineering marvels emerge: Zcash $ZEC, using advanced zero-knowledge proofs & Monero $XMR, moving towards Full-Chain Membership Proofs (FCMPs).
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Disclaimer: I’m a security & privacy researcher, not an official representative of these projects. The following is a theoretical exploration based on public knowledge and cryptographic assumptions. I could be wrong on some details.
@zcash uses high-level zero-knowledge proofs—originally zk-SNARKs, now the Halo2 architecture—to obscure sender, receiver, and amounts in shielded transactions.
The theoretical end-goal: make every note indistinguishable, enabling a truly private ledger.
Halo2 uses polynomial commitments (like KZG) and inner-product arguments for succinct, recursive proofs. With O(log n) scaling in verification, it manages large ledgers efficiently, without the need for a post-hoc trusted setup. This sets a robust foundation for theoretical privacy at scale.
In terms of #privacy and #security, GrapheneOS absolutely crushes iOS on so many levels. A few awesome features are listed here.
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@GrapheneOS is an #opensource operating system based on AOSP, focused on #security and #privacy. It is designed to be used on mobile devices, and includes features such as verified boot, sandboxing, and exploit mitigations.
It also includes the ability to use different encryption methods, and the ability to use VPNs and the Tor network to enhance #privacy.
GrapheneOS is geared more towards security-conscious and privacy-conscious users and has a #opensource ecosystem.
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