Word #648 01010000111
extend — BIP39 word #648
"extend" is word #648 of the 2048 words in the official BIP39 English wordlist, between express and extra.
In a seed phrase it stands for the 11-bit value
01010000111,
decimal index 647.
/ɪksˈtɛnd/ · verb: to make something longer or larger, or to reach out
Russian: расширять
Binary Representation
Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits.
One wrong bit turns it into (leftmost bit first):
Position
#648 of 2048
Hex Index
0x287
4-Letter Prefix
exte
About "extend" in BIP39
- "extend" has 6 letters, but the first four, "exte", already identify it, because "ext" also begins extra.
- "exte" is unique only within the English list: it also begins extensif in the French list and externo in the Portuguese list, so a four-letter backup should say which list it uses.
- "extend" appears in one of the 24 official English test vectors of BIP39: vector #21 (word 6 of 24). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.
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Word #648 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
Words sharing the first three letters "ext":