Word #1771 11011101010
tail — BIP39 word #1771
"tail" is word #1771 of the 2048 words in the official BIP39 English wordlist, between tag and talent.
In a seed phrase it stands for the 11-bit value
11011101010,
decimal index 1770.
/teɪl/ · noun: the part at the back end of an animal's body
Russian: хвост
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):
Position
#1771 of 2048
Hex Index
0x6EA
4-Letter Prefix
tail
About "tail" in BIP39
- "tail" has 4 letters, but the first three, "tai", already identify it, because "ta" also begins 12 other words, among them table, tackle, tag and talent. Three letters are enough for only 604 of the 2048 words.
- "tail" is unique only within the English list: it also begins tailler in the French list, so a four-letter backup should say which list it uses.
Word #1771 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
3 BIP39 words differ from "tail" by just a single letter — the most common source of typos when a seed phrase is entered by hand:
Read aloud, "tail" /teɪl/ is one sound away from these 5 words: