Word #724 01011010011

foil — BIP39 word #724

"foil" is word #724 of the 2048 words in the official BIP39 English wordlist, between fog and fold. In a seed phrase it stands for the 11-bit value 01011010011, decimal index 723.

/fɔɪl/ · noun: very thin sheets of metal used for wrapping food

Russian: фольга

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):

surprise bounce kidney engine fame fury flash fork foot focus fog

Position

#724 of 2048

Hex Index

0x2D3

4-Letter Prefix

foil

About "foil" in BIP39

"foil" has 4 letters, but the first three, "foi", already identify it, because "fo" also begins 18 other words, among them foam, focus, fog and fold. Three letters are enough for only 604 of the 2048 words.