---
title: "Worldcoin and HEX Private Keys (PDF)"
url: "https://bip39-phrase.com/list-keys/worldcoin-hex-bip39-phrase-2025-10-28/"
language: "en"
updated: "2025-10-28T00:00:00+00:00"
---

# Worldcoin and HEX Private Keys

Worldcoin, launched in 2023, uses a biometric system called World ID that verifies users through iris scans using a device called an Orb.

PDF document · Published October 28, 2025 

[ Open the PDF (8 pages, 131 KB) ](/list-keys/worldcoin%5Fhex-bip39-phrase%5F2025-10-28.pdf) 

## Contents

1. Private Keys in HEX
2. What is Worldcoin?
3. What Problem Does Worldcoin Aim To Solve?

Topic: 

[Private Keys and Addresses: Formats Explained](/topics/keys-and-addresses/)

## Guides on the same subject

- [Bitcoin Private Key Format: WIF, Base58 and Hex Explained](/private-key-btc/)  
A Bitcoin private key is a 256-bit number, usually shown in WIF: Base58 with a version byte, compression flag and checksum. Encoding steps and test vectors.
- [Anti-Money Laundering (AML) in Crypto: Compliance Explained](/anti-money-laundering-crypto/)  
Crypto AML rules make exchanges verify users (KYC), monitor transfers, report suspicious activity and follow the FATF Travel Rule. What each means for users.
- [Private Key Export: MetaMask, Trust Wallet, Ledger, Electrum](/convert-seed-phrase-to-private-key-guide/)  
MetaMask and Electrum export private keys, Trust Wallet only in Developer Mode, and a Ledger never does. Steps for each wallet, plus safer ways to move funds.

One of the documents in the [Private Key PDF Archive](/list-keys/), listed on [archive page 2](/list-keys/2/).