---
title: "What is Infura (PDF)"
url: "https://bip39-phrase.com/list-phrase/what-is-infura-bip39-phrase-2025-11-12/"
language: "en"
updated: "2026-10-21T00:00:00+00:00"
---

# What is Infura

Have you ever stopped to ask what’s behind Web3? You should, it’s important!

PDF document · Published November 12, 2025 · Updated October 21, 2026 

[ Open the PDF (3 pages, 71 KB) ](/list-phrase/what-is-infura-bip39-phrase%5F2025-11-12.pdf) 

## Contents

1. Example sequences from the BIP39 wordlist
2. Reading a BIP39 phrase
3. See also

Topic: 

[BIP39 for Developers: Python Code, EVM Contracts and API Keys](/topics/developers/)

## Guides on the same subject

- [Smart Contract EVM: What It Is and How It Works](/smart-contract-evm-what-it-is-and-how-it-works/)  
The EVM is the sandboxed runtime every Ethereum node uses to run smart contracts: bytecode, gas, a Solidity example, real uses and the bugs that drain them.
- [What Is BIP39? The Standard Behind Seed Phrases](/bip39-the-foundation-of-crypto-wallet-security/)  
BIP39 turns random entropy into a 12 to 24 word mnemonic phrase that generates your wallet's private keys, the standard for crypto wallet recovery.
- [Generate a BIP39 Seed Phrase in Python: Code and Test Vectors](/seed-phrase-generation-using-python/)  
Generate and check BIP39 seed phrases in Python: entropy, checksum, wordlist and PBKDF2 seed, with standard-library code tested against official vectors.

One of the documents in the [Seed Phrase PDF Archive](/list-phrase/), listed on [archive page 7](/list-phrase/7/).