Word #1424 10110001111
rapid — BIP39 word #1424
"rapid" is word #1424 of the 2048 words in the official BIP39 English wordlist, between range and rare.
In a seed phrase it stands for the 11-bit value
10110001111,
decimal index 1423.
/ˈræpɪd/ · adjective: happening very quickly or at great speed
Russian: быстрый
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
#1424 of 2048
Hex Index
0x58F
4-Letter Prefix
rapi
About "rapid" in BIP39
- "rapid" has 5 letters, but the first three, "rap", already identify it, because "ra" also begins 20 other words, among them rabbit, raccoon, race and rack. Three letters are enough for only 604 of the 2048 words.
- "rapi" is unique only within the English list: it also begins rapide in the French list, rapina in the Italian list and rapidez in the Portuguese list, so a four-letter backup should say which list it uses.
- "rapid" appears in one of the 24 official English test vectors of BIP39: vector #23 (word 7 of 18). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.
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