--- title: "BIP39 Word #842: hard — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/hard/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #842 01101001001 # hard — BIP39 word #842 "**hard**" is word #842 of the 2048 words in the official BIP39 English wordlist, between [harbor](/bip39-word/harbor/) and [harsh](/bip39-word/harsh/). In a seed phrase it stands for the 11-bit value `01101001001`, decimal index 841\. /hɑːd/ · _adjective:_ solid and firm to the touch, or difficult to do [Russian](/ru/ "The BIP39 wordlist with Russian translations"): твёрдый ## 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): [truck](/bip39-word/truck/)[circle](/bip39-word/circle/)[empty](/bip39-word/empty/)[junior](/bip39-word/junior/)[gentle](/bip39-word/gentle/)[honey](/bip39-word/honey/)[hen](/bip39-word/hen/)[habit](/bip39-word/habit/)[have](/bip39-word/have/)[harvest](/bip39-word/harvest/)[harbor](/bip39-word/harbor/) Position Hex Index 0x349 4-Letter Prefix hard ## About "hard" in BIP39 - It takes all four letters to identify "hard": **"har"** also begins [harbor](/bip39-word/harbor/), [harsh](/bip39-word/harsh/) and [harvest](/bip39-word/harvest/). ## Word #842 in the Other 9 BIP39 Wordlists [Czech](/czech/) mikrofon [French](/french/) flexion [Italian](/italian/) ingegno [Japanese](/japanese/) しゃざい [Korean](/korean/) 설악산 [Portuguese](/portuguese/) fisgada [Spanish](/spanish/) gustar [Traditional Chinese](/chinese-traditional/) 煤 [Simplified Chinese](/chinese-simplified/) 煤 ## Similar Words — Check Carefully During Recovery 3 BIP39 words differ from "hard" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [card](/bip39-word/card/)[hand](/bip39-word/hand/)[yard](/bip39-word/yard/) Read aloud, "hard" /hɑːd/ is one sound away from these 6 words: [guard /gɑːd/](/bip39-word/guard/)[half /hɑːf/](/bip39-word/half/)[harsh /hɑːʃ/](/bip39-word/harsh/)[head /hɛd/](/bip39-word/head/)[heart /hɑːt/](/bip39-word/heart/)[hood /hʊd/](/bip39-word/hood/) Words sharing the first three letters "har": [harbor](/bip39-word/harbor/)[harsh](/bip39-word/harsh/)[harvest](/bip39-word/harvest/) ## More BIP39 Words Starting with "H" [ #838 hamster ](/bip39-word/hamster/)[ #839 hand ](/bip39-word/hand/)[ #840 happy ](/bip39-word/happy/)[ #841 harbor ](/bip39-word/harbor/)[ #843 harsh ](/bip39-word/harsh/)[ #844 harvest ](/bip39-word/harvest/)[ #845 hat ](/bip39-word/hat/)[ #846 have ](/bip39-word/have/) [View all words starting with "H" ](/bip39-words/h/) ## Seed phrase, key and recovery guides - [Seed Phrase vs Private Key: What's the Difference?](/seed-phrase-vs-private-key/) - [Private Key QR Code Risks: Why Online Generators Are Unsafe](/qr-code-private-key-security-risks/) - [Seed Phrase Formats by Network: BIP39 and the Exceptions](/seed-phrase-formats-by-network/) [ Full BIP39 Wordlist ](/)