---
title: "BIP39 Word #1443: reform — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/reform/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1443 10110100010 

# reform — BIP39 word #1443

"**reform**" is word #1443 of the 2048 words in the official BIP39 English wordlist, between [reflect](/bip39-word/reflect/) and [refuse](/bip39-word/refuse/). In a seed phrase it stands for the 11-bit value `10110100010`, decimal index 1442\. 

/ˌriːˈfɔːm/  · _noun:_ a change made to improve a system or organization 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): реформа 

## Binary Representation

Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits.

One wrong bit turns it into (leftmost bit first):

[crowd](/bip39-word/crowd/)[violin](/bip39-word/violin/)[nephew](/bip39-word/nephew/)[picture](/bip39-word/picture/)[rough](/bip39-word/rough/)[raccoon](/bip39-word/raccoon/)[rent](/bip39-word/rent/)[relief](/bip39-word/relief/)[regular](/bip39-word/regular/)[reduce](/bip39-word/reduce/)[refuse](/bip39-word/refuse/) 

Position

Hex Index

0x5A2

4-Letter Prefix

refo

## About "reform" in BIP39

- "reform" has 6 letters, but the first four, **"refo"**, already identify it, because **"ref"** also begins [reflect](/bip39-word/reflect/) and [refuse](/bip39-word/refuse/).
- **"refo"** is unique only within the English list: it also begins reforma in the [Spanish list](/spanish/) and refogar in the [Portuguese list](/portuguese/), so a four-letter backup should say which list it uses.
- "reform" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #21 (word 24 of 24). Every official vector passes the [checksum checker](/bip39-checksum-checker/), and [How BIP39 works](/how-bip39-works/) shows how the entropy turns into such words. As the last word of vector #21, its final 8 bits, **10100010**, are the checksum of the 24-word phrase.

Official test vector #21

[all](/bip39-word/all/) [hour](/bip39-word/hour/) [make](/bip39-word/make/) [first](/bip39-word/first/) [leader](/bip39-word/leader/) [extend](/bip39-word/extend/) [hole](/bip39-word/hole/) [alien](/bip39-word/alien/) [behind](/bip39-word/behind/) [guard](/bip39-word/guard/) [gospel](/bip39-word/gospel/) [lava](/bip39-word/lava/) [path](/bip39-word/path/) [output](/bip39-word/output/) [census](/bip39-word/census/) [museum](/bip39-word/museum/) [junior](/bip39-word/junior/) [mass](/bip39-word/mass/) [reopen](/bip39-word/reopen/) [famous](/bip39-word/famous/) [sing](/bip39-word/sing/) [advance](/bip39-word/advance/) [salt](/bip39-word/salt/) reform 

## Word #1443 in the Other 9 BIP39 Wordlists

[Czech](/czech/) rozchod 

[French](/french/) pavillon 

[Italian](/italian/) riciclato 

[Japanese](/japanese/) にんそう 

[Korean](/korean/) 장미 

[Portuguese](/portuguese/) palmada 

[Spanish](/spanish/) piña 

[Traditional Chinese](/chinese-traditional/) 埔 

[Simplified Chinese](/chinese-simplified/) 埔 

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "ref":

[reflect](/bip39-word/reflect/)[refuse](/bip39-word/refuse/) 

## More BIP39 Words Starting with "R"

[ #1439 record ](/bip39-word/record/)[ #1440 recycle ](/bip39-word/recycle/)[ #1441 reduce ](/bip39-word/reduce/)[ #1442 reflect ](/bip39-word/reflect/)[ #1444 refuse ](/bip39-word/refuse/)[ #1445 region ](/bip39-word/region/)[ #1446 regret ](/bip39-word/regret/)[ #1447 regular ](/bip39-word/regular/) 

[View all words starting with "R" ](/bip39-words/r/) 

## Seed phrase, key and recovery guides

- [Bitcoin Core Seed Phrase: Why There Is None and How to Back Up](/bitcoin-core-seed-phrase-backup-guide/)
- [BIP38 Encrypted Private Keys: 6P Format and How to Decrypt](/bip38/)
- [BIP39 Passphrase: How the 25th Word Creates a Hidden Wallet](/bip39-passphrase/)

[ Full BIP39 Wordlist ](/)