soft — BIP39 word #1651
"soft" is word #1651 of the 2048 words in the official BIP39 English wordlist, between soda and solar.
In a seed phrase it stands for the 11-bit value
11001110010,
decimal index 1650.
/sɒft/ · adjective: not hard or firm, gentle to touch, or quiet
Russian: мягкий
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
#1651 of 2048
Hex Index
0x672
4-Letter Prefix
soft
About "soft" in BIP39
- "soft" has 4 letters, but the first three, "sof", already identify it, because "so" also begins 20 other words, among them soap, soccer, social and sock. Three letters are enough for only 604 of the 2048 words.
- "soft" appears in one of the 24 official English test vectors of BIP39: vector #18 (word 11 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 #1651 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
One BIP39 word differs from "soft" by just a single letter — the most common source of typos when a seed phrase is entered by hand: