Fundamentals of Decentralized Identity

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This quiz is based on the Fundamentals of Decentralized Identity course by Dock.

Each correct answer is 10 points. You need 100 points to pass the course and receive your certificate.

You can always consult the course materials at: https://blog.dock.io/decentralized-identity-certification-course

Email *

What is your name? *

What is the main problem of Federated Identity Management Systems? *

10 points

User Privacy is eroded

Hacks to “honey pots” of personal data

User Experience

Too many login credentials

What are the main components of Decentralized Identity? Select all that apply. *

10 points

Blockchain

Decentralized Identifiers

Verifiable Credentials

Required

What is NOT recorded on the blockchain? *

10 points

Verifiable Credentials

Schemas

Revocation Registries

DIDs

Hashes

What is the main benefit of Verifiable Credentials? *

10 points

Immediate Verification: A third party can check these credentials and know with certainty who issued the credential and to whom they issued it.

They remove the manual processes of verifying credentials.

Portability: They are digital and can be taken anywhere while remaining verifiable.

They are resistant to fraud and impossible to copy.

The credential holder has control over their data. They decide what to share, when and with whom.

All of the above

Which of these can be transformed into Verifiable Credentials? *

10 points

Passport

Academic Certificate

Supply Chain Certificate

Proof of Employment

All of the above

How can a Verifier be sure that a Verifiable Credential wasn’t forged? *

10 points

Finding the Verifiable Credential on the blockchain and reading the contents.

Asking the Issuer for their Private Key to confirm if it's the Key that signed the Verifiable Credential.

The cryptographic hash of the Verifiable Credential is the same as the hash of the original credential.

What cryptographic key does the Issuer use to sign a Verifiable Credential? *

10 points

Public Key

Both

Private Key

None

“The blockchain is immutable. Whatever is written there can’t be changed” *

10 points

True

False

What problems was the blockchain originally created to solve? Select all that apply. *

10 points

Storing Verifiable Credentials.

The ability for peers to transact without a central intermediary.

Storing pictures of Apes.

The double-spend problem of digital assets.

Required

“A Decentralized Identifier, or DID, is an identifier that belongs to you. It's like an ID, like your employer or student ID, and you can have more than one.” *

10 points

True

False

What is the process of putting the hash of a Verifiable Credential on the blockchain? *

10 points

Timing

Anchoring

Hashing

Docking

Using this cryptographic technique, users can prove something about themselves without showing the data that supports the proof. What is the technique’s name? *

10 points

Zero-Knowledge Proofs

Private Credentials

Selective Disclosure

Create a DID at and input it here *

You can create your Decentralized Identifier (DID) at https://certs.dock.io/ - We will use this DID to issue you the course certificate as a Verifiable Credential. When you create your DID, make sure that Test Mode is turned OFF (top right corner of the dashboard). That way, your DID will be published on the Dock Blockchain. Note: Your DID needs to be on the blockchain for us to be able to issue your certificate.

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