A critical analysis of 4privacy, a Kickstarter-backed privacy product promoted by the SmarterEveryDay YouTube channel. The post praises the project's stated commitments to end-to-end encryption, zero-knowledge principles, open source, and decentralization, but raises serious concerns across three areas: incentive structures and investor-driven monetization risks, the responsibility of handling extremely sensitive user data honestly, and the sheer technical ambition of building a novel federated cryptosystem. A key criticism is the product's claim that users can 'revoke' access to shared private information after the fact — argued to be technically impossible and a dangerous false sense of security. The author urges 4privacy to publish their whitepaper, disclose funding sources, and be transparent about what their system can and cannot guarantee.
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