Kirill Abramov's personal blog

Founder & CEO, UmbrellaX LLP

This is where I write about end-to-end encryption, post-quantum cryptography, jurisdictional risk, and the design decisions behind UmbrellaX. Personal opinions, not press releases.

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News

The interface works as an article catalog. Each card gives a compact preview and opens a full standalone article page.

Abstract red network graph with interconnected nodes on a black background, evoking cryptographic protocol structure.

Private messaging

UmbrellaX vs Signal: honest comparison by the founder of UmbrellaX

UmbrellaX outperforms Signal on groups, jurisdiction, phone-number independence, and day-one scale. Signal wins on one: a decade of adversarial track record. Concrete comparison inside.

Apr 28 comparison 5 min

Abstract black-and-white grid of cipher glyphs evoking encoded message structure.

Private messaging

UmbrellaX vs Telegram: encryption by default, jurisdiction outside Dubai, and what Telegram still wins

UmbrellaX encrypts every chat end-to-end by default; Telegram does not. UmbrellaX runs from Kazakhstan, Telegram from the UAE after a French arrest. Concrete comparison by the founder of UmbrellaX.

Apr 28 comparison 5 min