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Recently, Damus, an app based on the decentralized social media protocol Nostr, was listed on the App Store. Meanwhile, former Twitter co-founder Jack Dorsey tweeted to promote the app and disclosed his Nostr public key. Overnight, Damus became one of the top 10 apps in the App Store’s social category by downloads, and many investors, including celebrities with global influence, shared their Nostr public keys on social media.
Despite its boom on social media, some investors might not be familiar with Nostr, so let’s begin with a simple introduction to Nostr. As its name suggests, Notes and Other Stuff Transmitted by Relays, or Nostr, is not a blockchain but a very simple protocol that helps users transmit content via relays. What should be emphasized is that with the protocol, users get to encrypt the content to be transmitted using asymmetric cryptography, and only those with the corresponding public and private keys will have access to that information.
Generally speaking, Nostr consists of relays and various products extending upwards. Here, the primary function of relays is to transmit and store messages, and they can be run by all users. In the case of Damus, when a user sends a post, the content will be transmitted to multiple relays, and the followers will get the published content from those relays. To use a perhaps inapt but intuitive metaphor, within the context of Nostr, relays are like the cloud servers in the Internet industry.
With Nostr, users no longer have to worry about getting suspended or sending prohibited words, which happens on centralized SNS platforms. Moreover, Nostr also helps us avoid data losses
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