Questions tagged [check-sum]

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10 votes
1 answer
159 views

Why limit the CRC by a modulo of 24 rather than 1626?

When looking through Monero's source code I was intrigued by the choice of the Mnemonic's 25th word which is defined as follow: words += (' ' + words_store[create_checksum_index(words_store, ...
  • 577
2 votes
0 answers
26 views

What is the importance of the 25th word in a mnemonic seed? [duplicate]

Is this additional word important for some reason? And should I need to make sure to write it down or is that optional?
  • 3,185
7 votes
2 answers
628 views

Why one word is found two times in each seed?

Why one word is found two times in each seed? Is it use as a checksum?
  • 1,271
12 votes
2 answers
5k views

What is the checksum at the end of a mnemonic seed?

What is the meaning of the checksum at the end of a mnemonic seed? Is the checksum always a word found earlier in the mnemonic? what is the purpose of it? Can a valid mnemonic seed be created ...
  • 329