Using the blockchain to verify email addresses sounds pretty smart

Enrique Dans
Enrique Dans
Published in
2 min readNov 17, 2023

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IMAGE: A link in a chain on a background of ones and zeros, symbolizing the blockchain
IMAGE: Pete Linforth — Pixabay

Blockchain is a logical, easy-to-use solution for verifying the identity of an email address. Which is why I like the idea of using Proton Mail’s Key Transparency email service: it uses the blockchain to hold your public keys, preventing email accounts from being breached.

Proton Mail is based on end-to-end encryption, ensuring that only the intended…

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Enrique Dans
Enrique Dans

Professor of Innovation at IE Business School and blogger (in English here and in Spanish at enriquedans.com)