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Questions tagged [checksum]

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1answer
41 views

are checksums included in mnemonic seed phrases?

say i have 24 words. Out of those 24 words, is the 24th one the checksum. say i have: a1 b2 c3 d4 e5 f6 g7 h8 i9 j10 k11 l12 m13 n14 o15 p16 q17 r18 s19 t20 u21 v22 w23 x24 is x24 the checksum? or ...
3
votes
2answers
563 views

Checksum vs. Hash: Differences and Similarities ?

What are similarities and differences between a "checksum" algorithm and a "hash" function? Can they be used instead of each other? Or their usage are different? For example, for verifying the ...
1
vote
1answer
70 views

Mastering Bitcoin: Where is the checksum coming from when running bx base58check-decode?

For example, if I run bx base58check-decode with the base58 encoded private key of Kxj5ejwPg2s2ejZHW7N1zAydD4fkmFi9j19QRmgeVK9mXL3wFMmp from this example, I get the following: { checksum ...
9
votes
2answers
7k views

How do I check the checksum of a Bitcoin address?

I'm working on a Bitcoin ATM. We want to detect addresses that are entered incorrectly. There's a checksum on Bitcoin addresses - but how can we check it?
2
votes
1answer
764 views

How to validate bitcoin address

How I can validate a standard bitcoin address?