Word #1901 11101101100
unique — BIP39 word #1901
"unique" is word #1901 of the 2048 words in the official BIP39 English wordlist, between uniform and unit.
In a seed phrase it stands for the 11-bit value
11101101100,
decimal index 1900.
/juːˈniːk/ · adjective: being the only one of its kind, unlike anything else
Russian: уникальный
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
#1901 of 2048
Hex Index
0x76C
4-Letter Prefix
uniq
About "unique" in BIP39
- "unique" has 6 letters, but the first four, "uniq", already identify it, because "uni" also begins uniform, unit and universe.
- The same spelling is in the French BIP39 wordlist, but as word #1949 (index 1948), not #1901. A wallet set to French reads "unique" as 11110011100 instead of 11101101100, and decodes index 1900 as "torse".
- "unique" appears in one of the 24 official English test vectors of BIP39: vector #19 (word 9 of 12). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.
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