bmann.ca
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_notes/did web.md
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_notes/did web.md
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---
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tags:
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- DID
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- ATProtocol
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- specification
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- W3C
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- article
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link: https://w3c-ccg.github.io/did-method-web/
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published: 2024-07-31
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---
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Unofficial Draft 31 July 2024
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## Abstract
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DIDs that target a distributed ledger face significant practical challenges in bootstrapping enough meaningful trusted data around identities to incentivize mass adoption. We propose a new DID method using a web domain's existing reputation.
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## ATProto
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Supported by [[ATProtocol]], with some constraints:
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> `did:web`, which is a W3C standard based on HTTPS (and DNS). The identifier section is a hostname. This method is supported in atproto to provide an independent alternative to `did:plc` [[DID PLC]]. The method is inherently tied to the domain name used, and does not provide a mechanism for migration or recovering from loss of control of the domain name. In the context of atproto, only hostname-level `did:web` DIDs are supported: path-based DIDs are not supported. The same restrictions on top-level domains that apply to handles (eg, no `.arpa`) also apply to `did:web` domains. The special `localhost` hostname is allowed, but only in testing and development environments. Port numbers (with separating colon hex-encoded) are only allowed for `localhost`, and only in testing and development.
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> [atproto.com/specs/did](https://atproto.com/specs/did)