---
title: "Testnet and BIP-39 (PDF)"
url: "https://bip39-phrase.com/list-phrase/testnet-bip39-phrase-2025-10-19/"
language: "en"
updated: "2025-10-19T00:00:00+00:00"
---

# Testnet and BIP-39

In the world of blockchain and cryptocurrencies, two important concepts that often come up among developers and users are Testnet and BIP39.

PDF document · Published October 19, 2025 

[ Open the PDF (5 pages, 148 KB) ](/list-phrase/testnet%5Fbip39-phrase%5F2025-10-19.pdf) 

Keywords: 

bip-39

Topic: 

[BIP Standards: BIP39, BIP32, BIP44 and Beyond](/topics/bip-standards/)

## Guides on the same subject

- [BIP 157 Client-Side Block Filtering: Compact Filters Explained](/bip-157-client-side-block-filtering/)  
BIP 157 lets light wallets fetch compact block filters (BIP 158) from full nodes and test them locally, finding their payments without revealing addresses.
- [BIP-444 (Now BIP 110): Reduced Data Temporary Softfork Explained](/bip-444-reduced-data-temporary-softfork/)  
BIP 110 (formerly BIP-444), the Reduced Data Temporary Softfork, proposed one-year limits on transaction data: its rules, the debate and why it is Closed.
- [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/)  
A BIP is a design document proposing a Bitcoin feature, standard or process. How BIP 3 statuses and types work, and all 78 Deployed BIPs linked to their specs.

One of the documents in the [Seed Phrase PDF Archive](/list-phrase/), listed on [archive page 6](/list-phrase/6/).