Angie Jones PRO
Developer Advocate. International Keynote Speaker. Master Inventor.
Refactoring the Web
Decentralized Web Platform
a new layer for the Web that enables decentralized apps and protocols
Angie Jones | Head of Developer Relations, TBD | @techgirl1908
@techgirl1908
the web was meant to be decentralized
@techgirl1908
we're missing an identity layer
@techgirl1908
Decentralized
Web Platform
Web2 🤝 Web3 = Web5
a new layer for the Web that enables decentralized apps and protocols
@techgirl1908
Pillars
Decentralized Identifiers
Verifiable Credentials
Decentralized Web Nodes
self-owned IDs
verification of claims
personal data stores
@techgirl1908
self-owned identifiers that enable
decentralized authorization
Decentralized Identifiers
Pillar
@techgirl1908
W3C standard
DIDs
did:example:123456789abcdefghijk
DID Method
DID Method Specific String
Scheme
@techgirl1908
string stored on a blockchain
DIDs
did:ens:some.eth
did:btcr:xyv2-xzpq-q9wa-p7t
did:web:example.com
*
@techgirl1908
DID -> DID Document
DIDs
did:ion:EiClkZMDxPKqC9c-umQfTkR8...
DID
resolves to
ipfs://.../alice/did.json
@techgirl1908
did.json
DID Document
{
"@context": "https://www.w3.org/ns/did/v1",
"id": "did:ion:EiClkZMDxPKqC9c-umQfTkR8",
"verificationMethod": [
{
"id": "did:ion:EiClkZMDxPKqC9c-umQfTkR8",
"type": "Secp256k1VerificationKey2018",
"controller": "did:ion:EiClkZMDxPKqC9c-umQfTkR8"
}
],
"authentication": ["did:ion:EiClkZMDxPKqC9c-umQfTkR8"]
}@techgirl1908
tamper-evident credentials that cryptographically verify a claim
Verifiable Credentials
Pillar
@techgirl1908
issuer: did:example:acme
subject: did:example:alice
claims:
  name: Alice Smith
  salary: $120,000
+ issuer’s digital signature
Verifiable Credential
Acme
issues
to
Alice
Alice applies for a loan
issuer: did:example:acme
subject: did:example:alice
claims:
  name: Alice Smith
  salary: $120,000
+ issuer’s digital signature
Acme
to
Alice
issuer: did:example:acme
subject: did:example:alice
claims:
  name: Alice Smith
  salary: $120,000
+ issuer’s digital signature
issues
Verifiable Credential
Alice applies for a loan
@techgirl1908
issuer: did:example:acme
subject: did:example:alice
claims:
  name: Alice Smith
  salary: $120,000
+ issuer’s digital signature
Acme
to
Alice
Alice
provides
issuer: did:example:acme
subject: did:example:alice
claims:
  name: Alice Smith
  salary: $120,000
+ issuer’s digital signature
+ subject’s digital signature
Verifiable Credential
to
Lender
issues
Verifiable Credential
Alice applies for a loan
@techgirl1908
@techgirl1908
personal data stores for public and encrypted data
Decentralized Web Nodes
Pillar
@techgirl1908
Decentralized Social Media Applications
@techgirl1908
Decentralized Web Nodes
public
encrypted
@techgirl1908
data
Web App
Alice's DWN Instance
local
remote
@techgirl1908
DWA
PWA
@techgirl1908
https://example.com/u/alice/did.json
DID Document
{
"@context": "https://www.w3.org/ns/did/v1",
"id": "did:web:example.com:u:alice",
"service": [{
"id":"#dwn",
"type": "DecentralizedWebNode",
"serviceEndpoint": {
"nodes": ["https://dwn.example.com",
"00:11:22:33:FF:EE"]
}
}],
"verificationMethod": [{
"id": "did:web:example.com:u:alice",
"type": "Secp256k1VerificationKey2018",
"controller": "did:web:example.com:u:alice",
"ethereumAddress": "0xb9c5714089478a327f09197987f16f9e5d936e8a"
}],
"authentication": [
"did:web:example.com:u:alice"
]
}@techgirl1908
HTTP requests
Request data
POST https://dwn.example.com/
BODY {
"requestId": "c5784162-84af-4aab-aff5-f1f8438dfc3d",
"target": "did:example:123",
"messages": [
{
"descriptor": {
"method": "CollectionsQuery",
"schema": "https://schema.org/SocialMediaPosting"
}
},
{...}
]
}@techgirl1908
structured JSON objects
Response
{
"requestId": "c5784162-84af-4aab-aff5-f1f8438dfc3d",
"replies": [
{
"messageId": "bm4vvfvsdfovsj...",
"status": { "code": 200, "text": "OK" },
"entries": [...]
}
]
}@techgirl1908
Provide UI and functionality to manage credentials and other data stored in DWNs
Identity Wallet
Data Management
DID Functions
Support create, update, and recovery of DIDs
Context Management
Maintain and enforce which DIDs are used with a given contact, app, or context
Credential Functions
Sign, verify, discover, and present credentials to verifying parties
DID Authorization
Perform authentication and manage authorizations
@techgirl1908
Decentralized
Web Nodes
WEB5
DWA
Verifiable Credentials
Decentralized
Identifiers
Your
App
The Stack
@techgirl1908
What's the benefit?
@techgirl1908
@techgirl1908
@techgirl1908
...but why would companies give this up?
@techgirl1908
Data is a liability
@techgirl1908
Data is a liability
@techgirl1908
You hold the world's data in your hand
@techgirl1908
GDPR Fines
| 2021 | Amazon | $823.9M |
| 2021 | $247M | |
| 2021 | $165M | |
| 2021 | $66M | |
| 2020 | H&M | $39M |
| 2020 | British Airways | $26M |
| 2020 | Marriott | $24.3M |
| 2019 | $55M |
@techgirl1908
user onboarding becomes easier
@techgirl1908
Alice's DWN
Music to my ears
Tidal
Spotify
navigator.did.request({
schema: “schema.org/MusicPlaylist”,
data: { ... }
})
navigator.did.request({
schema: “schema.org/MusicPlaylist”
})
@techgirl1908
Alice's DWN
Hotell me your travel plans
navigator.did.store({
schema: “schema.org/Trip”,
data: { ... }
})@techgirl1908
Alice's DWN
Wholistic health
navigator.did.store({
schema: “schema.org/Patient”,
data: { ... }
})
Alice's PCP
Alice's GYN
Alice's FAAD
@techgirl1908
but what about...
@techgirl1908
self custody is hard
Key Management
@techgirl1908
how do we prevent abuse?
Data Usage
@techgirl1908
apps need to speak the same language
Interoperability
@techgirl1908
tbd.website
It's still TBD
Refactoring the Web (Web5)
By Angie Jones
Refactoring the Web (Web5)
Decentralized Web Platform is a new layer for the web that enables decentralized apps and protocols, allowing users to own and control their data.
