Word #692 01010110011
filter — BIP39 word #692
"filter" is word #692 of the 2048 words in the official BIP39 English wordlist, between film and final.
In a seed phrase it stands for the 11-bit value
01010110011,
decimal index 691.
/ˈfɪltə/ · noun: a device that removes unwanted particles from a liquid or gas
Russian: фильтр
Binary Representation
Six 1-bits and five 0-bits; 462 of the 2048 indexes have exactly six 1-bits.
One wrong bit turns it into (leftmost bit first):
Position
#692 of 2048
Hex Index
0x2B3
4-Letter Prefix
filt
About "filter" in BIP39
- "filter" has 6 letters, but the first four, "filt", already identify it, because "fil" also begins file and film.
- "filt" is unique only within the English list: it also begins filtrer in the French list, filtro in the Spanish list, filtrar in the Portuguese list and filtr in the Czech list, so a four-letter backup should say which list it uses.
- "filter" appears in one of the 24 official English test vectors of BIP39: vector #14 (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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