---
title: "BIP39 Word #519: dolphin — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/dolphin/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #519 01000000110 

# dolphin — BIP39 word #519

"**dolphin**" is word #519 of the 2048 words in the official BIP39 English wordlist, between [doll](/bip39-word/doll/) and [domain](/bip39-word/domain/). In a seed phrase it stands for the 11-bit value `01000000110`, decimal index 518\. 

/ˈdɒlfɪn/  · _noun:_ an intelligent sea mammal with a long snout that swims in groups 

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

## Binary Representation

Three 1-bits and eight 0-bits; 165 of the 2048 indexes have exactly three 1-bits.

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

[school](/bip39-word/school/)[absorb](/bip39-word/absorb/)[general](/bip39-word/general/)[express](/bip39-word/express/)[emotion](/bip39-word/emotion/)[dynamic](/bip39-word/dynamic/)[drift](/bip39-word/drift/)[dove](/bip39-word/dove/)[doctor](/bip39-word/doctor/)[dog](/bip39-word/dog/)[domain](/bip39-word/domain/) 

Position

Hex Index

0x206

4-Letter Prefix

dolp

## About "dolphin" in BIP39

- "dolphin" has 7 letters, but the first four, **"dolp"**, already identify it, because **"dol"** also begins [doll](/bip39-word/doll/).

## Word #519 in the Other 9 BIP39 Wordlists

[Czech](/czech/) jelen 

[French](/french/) défiler 

[Italian](/italian/) druido 

[Japanese](/japanese/) けいたい 

[Korean](/korean/) 무조건 

[Portuguese](/portuguese/) cotonete 

[Spanish](/spanish/) demora 

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

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

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "dol":

[doll](/bip39-word/doll/) 

## More BIP39 Words Starting with "D"

[ #515 doctor ](/bip39-word/doctor/)[ #516 document ](/bip39-word/document/)[ #517 dog ](/bip39-word/dog/)[ #518 doll ](/bip39-word/doll/)[ #520 domain ](/bip39-word/domain/)[ #521 donate ](/bip39-word/donate/)[ #522 donkey ](/bip39-word/donkey/)[ #523 donor ](/bip39-word/donor/) 

[View all words starting with "D" ](/bip39-words/d/) 

## Seed phrase, key and recovery guides

- [BIP38 Encrypted Private Keys: 6P Format and How to Decrypt](/bip38/)
- [BIP39 Passphrase: How the 25th Word Creates a Hidden Wallet](/bip39-passphrase/)
- [Is My Seed Phrase Compromised? Signs and What to Do Next](/bip39-seed-phrase-compromise/)

[ Full BIP39 Wordlist ](/)