Word #42 00000101001
ahead — BIP39 word #42
"ahead" is word #42 of the 2048 words in the official BIP39 English wordlist, between agree and aim.
In a seed phrase it stands for the 11-bit value
00000101001,
decimal index 41.
/əˈhɛd/ · adverb: in front, or further forward in space or time
Russian: вперед
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):
Position
#42 of 2048
Hex Index
0x029
4-Letter Prefix
ahea
About "ahead" in BIP39
- Two letters are enough: no other BIP39 word begins with "ah", which makes "ahead" one of only 34 words that can be told apart this early.
Word #42 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
One BIP39 word differs from "ahead" by just a single letter — the most common source of typos when a seed phrase is entered by hand: