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Results tagged with hashing
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user 352
Questions about the unidirectional mapping of data to fixed-sized values.
2
votes
Why were hash collisions unimportant?
Curl-P is not use for signing transaction, therefore collisions in Curl-P is not relevant.
For question 1:
Eve can try to do it, but the probability to achieve this in reasonable time is extremely …
- 5,344
6
votes
Accepted
How is the PoW in IOTA "better" than in Bitcoin?
The POW in IOTA protocol isn't better or worse than the POW in Bitcoin. It is different in it's purpose. If you re-read the docs carefully you will see that the docs don't claims that the POW in IOTA …
- 5,344
2
votes
Accepted
Is it possible to create transactions that require less POW
It should be impossible.
To successfully accomplish the POW, you must find a nonce (i.e. a random number) to append to the transaction data so that the hash of the whole data (transaction data + non …
- 5,344
1
vote
Accepted
What would happen, if two different transactions with the same hash get published simultaneo...
I don't know what's the probability for this to occurs, but I guess that this something that some users try to produce since the early stages of the tangle, and AFAIK was never detected.
Anyway, let' …
- 5,344
3
votes
Accepted
Why is "getTransactionsToApprove" returning identical trunk & branch hashes
Strictly speaking : branch and trunk transaction can be the same. Let's think about transaction validating the genesis: there was only only one transaction on the tangle... so impossible to pick 2 dis …
- 5,344
5
votes
Accepted
Why is the requested hash size 46 bytes when the transaction hash size is 243 bytes?
In one byte: you can encode up to 2 8 values (i.e. 256 values).
When a transaction hash is encoded in a byte[243] , only 3 values within the 256 possibilities are effectively used in each byte. This …
- 5,344