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Add identity draft

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Jay Graber 2020-06-16 13:45:41 -07:00
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# Identity # Identity
Centralized identities are tied to a single service. Decentralized identity . Identity needs to be communicable across interoperable systems. Ideally, a user's identity would be detached from any particular service, allowing them to authenticate and migrate seamlessly across services. Centralized identities are tied to a single service. Decentralized identity is not.
# Purpose of Identity
We will call entities with identities "actors", because non-human entities such as companies, organizations, and bots may have identities on a social network. We will call entities with identities "actors", because non-human entities such as companies, organizations, and bots may have identities on a social network.
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Desirable qualities for decentralized identities: Desirable qualities for decentralized identities:
- Interoperable or portable between services - Allow authentication and migration between services
- Allow communication across services
- Unique, global, and memorable - Unique, global, and memorable
## Decentralized Identity ## Decentralized Identity
OAuth is currently the most successful identity standard. OAuth was created to securely transfer user credentials from one site to another. OAuth identity providers became centralized because users could not run or choose their own identity providers. OAuth is currently the most successful identity standard. OAuth was created to securely transfer user credentials from one site to another. OAuth identity providers became centralized because users could not run or choose their own identity providers.
### Federated identity: ### Identity in federated applications:
- email - email
- XMPP - XMPP
- Matrix
- Diaspora: User identities in Diaspora are tied to their pod, and cannot be migrated. Diaspora uses the Webfinger protocol to discover users from other pods. User information is returned via hCard, an open microformat standard for identity. - Diaspora: User identities in Diaspora are tied to their pod, and cannot be migrated. Diaspora uses the Webfinger protocol to discover users from other pods. User information is returned via hCard, an open microformat standard for identity.
- Webfinger - Mastodon:
- Solid
### P2p identity: ### Identity in p2p applications:
P2p systems key management, key verification, key backup. Account recovery. P2p systems key management, key verification, key backup. Account recovery.
- IPFS
- Peergos
- Hypercore
- Gun
- Ssb
- Aether
- Iris
### Blockchain identity ### Blockchain identity
Namecoin - Namecoin
Handshake - Handshake
Lots of them.
Microsoft
IBM
### Decentralized Identifiers (DIDs) ### Decentralized Identifiers (DIDs)
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The format of a DID is: a scheme identifier, followed by the DID method, followed by a method-specific identifier. A simple example: `did:example:123456789abcdefghi` The format of a DID is: a scheme identifier, followed by the DID method, followed by a method-specific identifier. A simple example: `did:example:123456789abcdefghi`
## Reputation, Trust ## Reputation & Trust
Web-of-trust
P2p network can ban, but cannot take away identity
## Social graph proof ## Social graph proof
@ -51,7 +68,9 @@ The format of a DID is: a scheme identifier, followed by the DID method, followe
## Fail cases ## Fail cases
Account recovery. Sybils Account recovery.
Sybils and spam
Impersonation
## Links ## Links