Question 1

What is World ID?

Accepted Answer

World ID is a decentralized Proof of Personhood protocol provided by World. It uses zero-knowledge proofs to protect privacy while ensuring 'one account per person'.

Question 2

Is World ID free to obtain?

Accepted Answer

Yes, obtaining World ID is completely free. Authentication with Orb is also free of charge.

Question 3

What can World ID be used for?

Accepted Answer

World ID can be used for identity verification on online services, receiving airdrops, DAO voting, and authentication on platforms that require bot protection.

Question 4

What is the difference between World ID and government IDs like Social Security Number?

Accepted Answer

Government IDs are centralized and linked to personal information. World ID is decentralized and can prove you are human without revealing any personal information.

Question 5

Can I get multiple World IDs?

Accepted Answer

No, World ID is based on the 'one person, one ID' principle. It is technically impossible for the same person to obtain multiple IDs due to the uniqueness of iris patterns.

Question 6

What is Orb?

Accepted Answer

Orb is a spherical dedicated device that scans your iris to issue World ID. Equipped with high-performance cameras and AI, authentication completes in about 10 seconds.

Question 7

Is Orb authentication safe?

Accepted Answer

Yes, Orb does not store iris images. After converting to a binary code called IrisCode, the original data is immediately deleted. It is mathematically impossible to reconstruct the original iris image from IrisCode.

Question 8

Where can I get Orb verification in Japan?

Accepted Answer

In Japan, Orb verification is available at over 240 locations nationwide, including au Style, Re.Ra.Ku, ME TOKYO, and X-Mobile stores. You can search for the nearest location using the 'Find an Orb' feature in World App.

Question 9

How long does Orb verification take?

Accepted Answer

Orb verification itself completes in about 10 seconds. Including wait time, the entire process usually takes about 5-10 minutes.

Question 10

Can I do Orb verification with contact lenses or glasses?

Accepted Answer

Regular soft contact lenses are fine. Glasses need to be removed during verification. Please note that Orb verification cannot be performed while wearing colored contacts or hard contact lenses.

Question 11

What is WLD token?

Accepted Answer

WLD is the native cryptocurrency token of the World project. It is periodically distributed (granted) to World ID holders and can be used for transactions on World Chain and governance participation.

Question 12

When can I receive WLD grants?

Accepted Answer

WLD grants are distributed periodically through World App after completing Orb verification. Distribution schedules may vary by region and time. Check notifications in the app.

Question 13

Where can I exchange WLD?

Accepted Answer

WLD is not available on Japanese domestic exchanges. You need to exchange it for ETH or USDT on overseas exchanges (Bitget, MEXC, Bybit, etc.) or DEXs (Uniswap, 1inch, etc.).

Question 14

How do I convert WLD to Japanese yen?

Accepted Answer

①Exchange WLD for ETH on overseas exchanges or DEXs ②Transfer to a non-custodial wallet (MetaMask, etc.) ③Transfer to domestic exchange (bitFlyer, Coincheck, etc.) ④Convert to yen and withdraw to bank. Direct transfers from overseas to domestic exchanges carry account restriction risks, so always use a wallet as intermediary.

Question 15

What is World Chain?

Accepted Answer

World Chain is an Ethereum Layer 2 blockchain developed by World. Using OP Stack, gas fees are subsidized for World ID holders. It enables fast, low-cost applications that leverage human verification.

Question 16

Is there a deadline to claim WLD?

Accepted Answer

Yes, WLD grants have a claim deadline. If you don't press the Claim button within the deadline, the grant expires. Check the app regularly to avoid missing World App notifications or the 'Claim' display.

Question 17

Is World ID privacy safe?

Accepted Answer

Yes, World ID uses zero-knowledge proof technology to prove you are human without revealing personal information. Iris images are not stored, and name, address, date of birth, etc. are not shared during verification.

Question 18

What is zero-knowledge proof?

Accepted Answer

Zero-knowledge proof is a cryptographic technology that can prove you possess certain information without revealing the information itself. For example, proving you are 'over 20' without revealing your date of birth.

Question 19

How is iris data protected?

Accepted Answer

Iris images are immediately converted to a binary code called IrisCode after being captured by Orb, and the original images are deleted. It is mathematically impossible to reconstruct the original iris image from IrisCode.

Question 20

What is AMPC?

Accepted Answer

AMPC (Advanced Multi-Party Computation) is a quantum-resistant distributed data protection technology used by World ID. It distributes data across multiple servers, eliminating single points of failure.

Question 21

Is there a risk of World ID authentication information being leaked?

Accepted Answer

World ID minimizes the risk of authentication information leakage through zero-knowledge proofs and AMPC technology. Even if servers are attacked, it is difficult to identify individuals from distributed stored data.

Question 22

What should I do if Orb verification fails?

Accepted Answer

Try again keeping these 3 points in mind: 'open your eyes wide', 'lift your bangs to show your forehead', 'stay still'. If unresolved, contact support through World App (Settings → Support → Contact Support).

Question 23

I can't log into World App

Accepted Answer

Try updating the app, restarting the app, and restarting your device. Important: World App is a self-custody wallet, so if you haven't set up login backup, account recovery is not possible. The support team cannot assist with account recovery.

Question 24

I haven't received WLD after Orb verification

Accepted Answer

WLD is not delivered automatically. You can receive it by pressing the Claim button in the Worldcoin Mini App within World App, 24 hours or more after Orb verification.

Question 25

What should I do if I lost my phone or changed devices?

Accepted Answer

Install World App on your new device and log in using your previously configured login method (Apple ID, Google account, etc.). Important: If you haven't set up login backup, account recovery is not possible. The support team cannot assist with account recovery.

Question 26

What services support World ID?

Accepted Answer

Many services support World ID including DeFi protocols, social media, DAO governance, games, and NFT platforms. You can also access many services through MiniApps within World App.

Question 27

What are MiniApps?

Accepted Answer

MiniApps are lightweight applications that run within World App. There are apps in various categories including games, DeFi, and utilities, all leveraging World ID human verification.

Question 28

What is Humanary?

Accepted Answer

Humanary is a portal site for the World ID ecosystem. You can explore the World ecosystem through three pillars: finding verified users (Find Human), locating Orb locations (Find Orb), and discovering/reviewing MiniApps (Find MiniApp).

Question 29

What is a World ID referral code?

Accepted Answer

A referral code is used by existing World ID holders to invite new users. Both the referrer and referee receive WLD bonuses. On Humanary, you can share verified referral codes with credibility.

Question 30

What are the benefits of World ID for creators?

Accepted Answer

As AI-generated content and impersonation increase, World ID can prove your account is operated by a real human. This serves as proof of credibility to fans and business partners.

Question 31

What are the effects of registering on Humanary?

Accepted Answer

Registering on Humanary creates a World ID verified profile page where you can list your social accounts and referral codes. It proves to third parties that you are a 'real human', helping creators and influencers enhance credibility.

Question 32

Why is World ID important in the AI era?

Accepted Answer

With the advancement of generative AI, bots can easily impersonate humans. World ID is one of the few ways to reliably prove humanity, essential for combating misinformation, preventing fraud, and fair voting.

Question 33

What is the future outlook for World ID?

Accepted Answer

World ID is expected to be used in various fields including complementing government-issued IDs, global basic income distribution, and online voting infrastructure. User numbers are rapidly expanding, with potential to become digital society infrastructure.

Question 34

What is Sam Altman's relationship with Worldcoin?

Accepted Answer

Sam Altman is both the CEO of OpenAI (the company behind ChatGPT) and co-founder of Worldcoin (now World). Recognizing the importance of human verification in the AI era, he launched this project.

Question 35

What are the benefits of implementing World ID for businesses?

Accepted Answer

Businesses can prevent bot fraud, defend against Sybil attacks, accurately track user counts, and run fair campaigns. Implementation is easy using the SDK (IDKit).

Question 36

Are there developer resources for World ID?

Accepted Answer

Yes, the World Developer Portal provides detailed documentation, SDK (IDKit), and sample code. Integration into web apps and MiniApps is supported.

Frequently Asked Questions

World ID Basics

Orb Verification

WLD Token

Security & Privacy

Troubleshooting

Services & Usage

For Creators

AI Era & Future

For Business

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