Cryptocurrency Q&A
What is an example of a hash function?
What is an example of a hash function?
AzureWave
Thu Oct 03 2024
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5 answers
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Can you provide me with a real-world illustration of a hash function, perhaps using a simple example to make it easier to understand? I'm curious to know how a hash function transforms input data into a seemingly random string of characters and how this process is used in the realm of cryptography and finance, particularly in the context of cryptocurrencies.
5 answers
Raffaele
Sat Oct 05 2024
For keys ranging from 0 to 99, the division by 100 results in a value less than 1, which in many programming environments, when converted to an integer for the hash table index, becomes 0. Therefore, all keys in this range hash to slot 0.
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Lorenzo
Sat Oct 05 2024
When dealing with keys in a large range, such as 0 to 999, and a relatively small hash table size of 10, implementing an efficient hash function becomes crucial. A straightforward approach involves mathematical operations that distribute the keys evenly across the hash table slots.
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Alessandra
Sat Oct 05 2024
One simple hash function for this scenario involves dividing the key value by the hash table size. In this case, dividing by 100 effectively reduces the key range into ten equal segments, each mapping to a unique slot in the hash table.
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Martina
Fri Oct 04 2024
Similarly, keys in the range 100 to 199, when divided by 100, yield values between 1 and 1.99. When these values are converted to integers, they all become 1, meaning these keys hash to slot 1 in the hash table.
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Andrea
Fri Oct 04 2024
This pattern continues for the remaining key ranges, with keys 200 to 299 hashing to slot 2, 300 to 399 to slot 3, and so forth, until keys 900 to 999 hash to slot 9. This ensures a uniform distribution of keys across the hash table slots, minimizing collisions.
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