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The future of online identity: could Decentralized Identifiers (DIDs) finally replace usernames? (lemmy.world)

submitted 1 month ago by Coleman@lemmy.world to c/planetdyne@fed.dyne.org

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Across the internet, usernames have become permanent markers — even when accounts are deleted, the names are burned, frozen, or locked away to prevent impersonation. This creates a strange kind of digital permanence: even when a person wants a full erasure, a trace of their identity still lingers in the system.

A growing movement in digital identity research is exploring alternatives. Technologies like Decentralized Identifiers (DIDs), Self‑Sovereign Identity (SSI), and Verifiable Credentials (VCs) propose a different model where users control their identity cryptographically instead of relying on platform‑owned usernames.

These systems offer possibilities that current platforms can’t easily support, including:

identities that can be deleted completely

identifiers that can rotate without leaving a permanent trail

impersonation protection without burning usernames

user‑controlled identity wallets

platform‑independent authentication

Smaller privacy‑focused projects are already experimenting with these ideas, but major platforms still depend heavily on usernames for moderation, analytics, and advertising. Moving to DID‑based identity would require a major shift in how online identity works.

As decentralized identity standards evolve, it raises a cultural question for the future of the internet: What would online communities look like if usernames weren’t permanent anymore?

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[–] setto@fed.dyne.org 2 points 1 month ago (1 children)

Considering legacy social media often allow a display-name differing from the username, i'm not sure this will have a very different effect on online communities then what we can already observe in contemporary impersonation scams. However, vigilance has always been necessary online, and is probably going to be all the more important in a context of DID/SSI/VCs

The way i see it, paltform leveraging DID/SSI/VC will have the burden of responsibility to provide meaningful ways for users to verify the authenticity of their peers. "Responsibility" being avoided at all cost in most commercial online contexts, i'm expecting it to be a painful process to begin with. It will boil down to how well we do as communities, and as a specie, at transferring knowledge among us.

[–] Coleman@lemmy.world 1 points 1 month ago

Thanks for the thoughtful perspective. I agree that vigilance will always be part of online life, but I think the shift from platform‑owned usernames to user‑controlled identifiers changes the dynamic in an important way.

With DIDs/SSI, the burden of identity verification doesn’t fall entirely on users guessing who’s real — it becomes a matter of cryptographic proof instead of social intuition. That doesn’t eliminate impersonation risks, but it does move us away from the current system where usernames are permanent, scarce, and tied to platform architecture rather than user choice.

You’re right that platforms will resist the responsibility that comes with this shift, but I think communities will eventually demand identity systems that allow for deletion, rotation, and renewal. The cultural side of that transition is going to be just as important as the technical one.