--- title: "BIP39 Word #171: best — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/best/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #171 00010101010 # best — BIP39 word #171 "**best**" is word #171 of the 2048 words in the official BIP39 English wordlist, between [benefit](/bip39-word/benefit/) and [betray](/bip39-word/betray/). In a seed phrase it stands for the 11-bit value `00010101010`, decimal index 170\. /bɛst/ · _adjective:_ of the highest quality or most suitable [Russian](/ru/ "The BIP39 wordlist with Russian translations"): лучший ## Binary Representation Four 1-bits and seven 0-bits; 330 of the 2048 indexes have exactly four 1-bits. One wrong bit turns it into (leftmost bit first): [next](/bip39-word/next/)[fetch](/bip39-word/fetch/)[crystal](/bip39-word/crystal/)[aim](/bip39-word/aim/)[bubble](/bip39-word/bubble/)[bacon](/bip39-word/bacon/)[blanket](/bip39-word/blanket/)[begin](/bip39-word/begin/)[beyond](/bip39-word/beyond/)[bench](/bip39-word/bench/)[betray](/bip39-word/betray/) Position Hex Index 0x0AA 4-Letter Prefix best ## About "best" in BIP39 - "best" has 4 letters, but the first three, **"bes"**, already identify it, because **"be"** also begins 19 other words, among them [beach](/bip39-word/beach/), [bean](/bip39-word/bean/), [beauty](/bip39-word/beauty/) and [because](/bip39-word/because/). Three letters are enough for only 604 of the 2048 words. - **"best"** is unique only within the English list: it also begins bestia in the [Spanish list](/spanish/) and bestie in the [Czech list](/czech/), so a four-letter backup should say which list it uses. ## Word #171 in the Other 9 BIP39 Wordlists [Czech](/czech/) chopit [French](/french/) audible [Italian](/italian/) attrito [Japanese](/japanese/) うせつ [Korean](/korean/) 굉장히 [Portuguese](/portuguese/) ardente [Spanish](/spanish/) astro [Traditional Chinese](/chinese-traditional/) 無 [Simplified Chinese](/chinese-simplified/) 无 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "best" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [belt](/bip39-word/belt/)[nest](/bip39-word/nest/)[test](/bip39-word/test/)[west](/bip39-word/west/) Read aloud, "best" /bɛst/ is one sound away from these 3 words: [boost /buːst/](/bip39-word/boost/)[burst /bɜːst/](/bip39-word/burst/)[chest /ʧɛst/](/bip39-word/chest/) ## More BIP39 Words Starting with "B" [ #167 below ](/bip39-word/below/)[ #168 belt ](/bip39-word/belt/)[ #169 bench ](/bip39-word/bench/)[ #170 benefit ](/bip39-word/benefit/)[ #172 betray ](/bip39-word/betray/)[ #173 better ](/bip39-word/better/)[ #174 between ](/bip39-word/between/)[ #175 beyond ](/bip39-word/beyond/) [View all words starting with "B" ](/bip39-words/b/) ## Seed phrase, key and recovery guides - [Derivation Path Explained: What m/44'/0'/0'/0/0 Means](/derivation-path/) - [Seed Phrase Scams: How Thieves Get Your Recovery Words](/seed-phrase-scams/) - [How to Store a Seed Phrase: Paper, Steel and Safe Locations](/store-a-seed-phrase/) [ Full BIP39 Wordlist ](/)