Word #277 00100010100

card — BIP39 word #277

"card" is word #277 of the 2048 words in the official BIP39 English wordlist, between carbon and cargo. In a seed phrase it stands for the 11-bit value 00100010100, decimal index 276.

/kɑːd/ · noun: a small piece of stiff paper or plastic with information on it

Russian: карта

Binary Representation

Three 1-bits and eight 0-bits; 165 of the 2048 indexes have exactly three 1-bits.

One wrong bit turns it into (leftmost bit first):

penalty glad action crater clever charge calm castle capital carpet cargo

Position

#277 of 2048

Hex Index

0x114

4-Letter Prefix

card

About "card" in BIP39

It takes all four letters to identify "card": "car" also begins car, carbon, cargo, carpet, carry and cart.
Its first letters also spell another BIP39 word, car. Write "card" out in full: cut short, it turns into a different valid word.
"card" is unique only within the English list: it also begins cardo in the Italian list and cardeal in the Portuguese list, so a four-letter backup should say which list it uses.
"card" appears in one of the 24 official English test vectors of BIP39: vector #16 (word 4 of 12). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.