--- title: "BIP39 Word #1521: safe — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/safe/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1521 10111110000 # safe — BIP39 word #1521 "**safe**" is word #1521 of the 2048 words in the official BIP39 English wordlist, between [sadness](/bip39-word/sadness/) and [sail](/bip39-word/sail/). In a seed phrase it stands for the 11-bit value `10111110000`, decimal index 1520\. /seɪf/ · _adjective:_ protected from danger or harm [Russian](/ru/ "The BIP39 wordlist with Russian translations"): безопасный ## Binary Representation Six 1-bits and five 0-bits; 462 of the 2048 indexes have exactly six 1-bits. One wrong bit turns it into (leftmost bit first): [dignity](/bip39-word/dignity/)[wrap](/bip39-word/wrap/)[own](/bip39-word/own/)[puppy](/bip39-word/puppy/)[render](/bip39-word/render/)[ring](/bip39-word/ring/)[rose](/bip39-word/rose/)[sample](/bip39-word/sample/)[salon](/bip39-word/salon/)[salad](/bip39-word/salad/)[sail](/bip39-word/sail/) Position Hex Index 0x5F0 4-Letter Prefix safe ## About "safe" in BIP39 - "safe" has 4 letters, but the first three, **"saf"**, already identify it, because **"sa"** also begins 18 other words, among them [sad](/bip39-word/sad/), [saddle](/bip39-word/saddle/), [sadness](/bip39-word/sadness/) and [sail](/bip39-word/sail/). Three letters are enough for only 604 of the 2048 words. ## Word #1521 in the Other 9 BIP39 Wordlists [Czech](/czech/) skanzen [French](/french/) ponctuel [Italian](/italian/) rupe [Japanese](/japanese/) のべる [Korean](/korean/) 정보 [Portuguese](/portuguese/) plaqueta [Spanish](/spanish/) pulpo [Traditional Chinese](/chinese-traditional/) 荒 [Simplified Chinese](/chinese-simplified/) 荒 ## Similar Words — Check Carefully During Recovery 2 BIP39 words differ from "safe" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [same](/bip39-word/same/)[save](/bip39-word/save/) Read aloud, "safe" /seɪf/ is one sound away from these 2 words: [sail /seɪl/](/bip39-word/sail/)[say /seɪ/](/bip39-word/say/) ## More BIP39 Words Starting with "S" [ #1518 sad ](/bip39-word/sad/)[ #1519 saddle ](/bip39-word/saddle/)[ #1520 sadness ](/bip39-word/sadness/)[ #1522 sail ](/bip39-word/sail/)[ #1523 salad ](/bip39-word/salad/)[ #1524 salmon ](/bip39-word/salmon/)[ #1525 salon ](/bip39-word/salon/)[ #1767 system ](/bip39-word/system/) [View all words starting with "S" ](/bip39-words/s/) ## Seed phrase, key and recovery guides - [BIP 157 Client-Side Block Filtering: Compact Filters Explained](/bip-157-client-side-block-filtering/) - [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/) [ Full BIP39 Wordlist ](/)