--- title: "BIP39 Word #1755: swap — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/swap/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1755 11011011010 # swap — BIP39 word #1755 "**swap**" is word #1755 of the 2048 words in the official BIP39 English wordlist, between [swamp](/bip39-word/swamp/) and [swarm](/bip39-word/swarm/). In a seed phrase it stands for the 11-bit value `11011011010`, decimal index 1754\. /swɒp/ · _verb:_ to exchange one thing for another [Russian](/ru/ "The BIP39 wordlist with Russian translations"): менять ## Binary Representation Seven 1-bits and four 0-bits; 330 of the 2048 indexes have exactly seven 1-bits. One wrong bit turns it into (leftmost bit first): [forget](/bip39-word/forget/)[opera](/bip39-word/opera/)[win](/bip39-word/win/)[slender](/bip39-word/slender/)[spy](/bip39-word/spy/)[tent](/bip39-word/tent/)[sun](/bip39-word/sun/)[surge](/bip39-word/surge/)[swift](/bip39-word/swift/)[swallow](/bip39-word/swallow/)[swarm](/bip39-word/swarm/) Position Hex Index 0x6DA 4-Letter Prefix swap ## About "swap" in BIP39 - It takes all four letters to identify "swap": **"swa"** also begins [swallow](/bip39-word/swallow/), [swamp](/bip39-word/swamp/) and [swarm](/bip39-word/swarm/). - "swap" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #17 (word 15 of 18). 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. Official test vector #17 [horn](/bip39-word/horn/) [tenant](/bip39-word/tenant/) [knee](/bip39-word/knee/) [talent](/bip39-word/talent/) [sponsor](/bip39-word/sponsor/) [spell](/bip39-word/spell/) [gate](/bip39-word/gate/) [clip](/bip39-word/clip/) [pulse](/bip39-word/pulse/) [soap](/bip39-word/soap/) [slush](/bip39-word/slush/) [warm](/bip39-word/warm/) [silver](/bip39-word/silver/) [nephew](/bip39-word/nephew/) swap [uncle](/bip39-word/uncle/) [crack](/bip39-word/crack/) [brave](/bip39-word/brave/) ## Word #1755 in the Other 9 BIP39 Wordlists [Czech](/czech/) ukrojit [French](/french/) serrure [Italian](/italian/) staffa [Japanese](/japanese/) ほいく [Korean](/korean/) 치약 [Portuguese](/portuguese/) segmento [Spanish](/spanish/) soplar [Traditional Chinese](/chinese-traditional/) 澆 [Simplified Chinese](/chinese-simplified/) 浇 ## Similar Words — Check Carefully During Recovery 3 BIP39 words differ from "swap" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [snap](/bip39-word/snap/)[soap](/bip39-word/soap/)[swamp](/bip39-word/swamp/) Words sharing the first three letters "swa": [swallow](/bip39-word/swallow/)[swamp](/bip39-word/swamp/)[swarm](/bip39-word/swarm/) ## More BIP39 Words Starting with "S" [ #1751 suspect ](/bip39-word/suspect/)[ #1752 sustain ](/bip39-word/sustain/)[ #1753 swallow ](/bip39-word/swallow/)[ #1754 swamp ](/bip39-word/swamp/)[ #1756 swarm ](/bip39-word/swarm/)[ #1757 swear ](/bip39-word/swear/)[ #1758 sweet ](/bip39-word/sweet/)[ #1759 swift ](/bip39-word/swift/) [View all words starting with "S" ](/bip39-words/s/) ## Seed phrase, key and recovery guides - [SLIP-39 vs BIP39: Shamir Backup and 20-Word Shares Explained](/slip39-vs-bip39/) - [Why You Should Never Create Your Own Seed Phrase](/why-you-should-never-create-your-own-seed-phrase/) - [12 vs 24 Word Seed Phrase: Which Is More Secure?](/12-vs-24-word-seed-phrase/) [ Full BIP39 Wordlist ](/)