Amber Group released four layers of DID ecosystem.
Four types of DID projects:
Off-chain identity
Verify and bind the real-world off-chain identity with the address.
Projects:
BrightID
BrightID is a social identity network that allows you to prove that you’re only using one account. It’s the holy grail of digital identity.
One human one ID, use Face recognition and Zoom to verify you are a human.
On-chain identity
Aggregate on-chain and off-chain information into one on-chain identity.
Projects:
UniPass
UniPass is a multi-chain unified crypto identity and your universal passport to the crypto world and metaverse.
Link information into one ID, including social media, wallets, etc.
More A Conversation with UniPass: Your Free Web3 Account | by Nervos Network | Medium
Spruce
TODO needs to do more research.
On-chain credit scoring
ARCx
Claim a DeFi Passport first, and it will calculate a score based on your on-chain activities.
On-chain certificate
Project Galaxy
A collaborative credential infrastructure that empowers brands to build better communities and products in Web3
Create an activity or Campaign, and give the involved joiners the certificate.
Rabbithole
Learn and finish the course to get the certificate. And it becomes the certificate for the address.