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Browsing Concept: HashCash

HashCash is an early Proof of Work (PoW) system developed by Adam Back. Its initial purpose was to fight email spam, but HashCash ended up becoming a central component of the Bitcoin consensus mechanism.

Browsing 3 results under HashCash
Who is Adam Back?
In today's Who's Who section of Crypto.BI, we introduce Adam Back, a cryptographer from Great Britain who created HashCash, one of the most fundamental pieces of the Bitcoin softw...
Is Quantum Key Distribution in the future of cryptocurrencies?
What would be the use of a data transmission system where the contents of a message changed if anyone simply read it? Secret Key Exchange Imagine if our two dearest cryptocu...
What is the difference between digital money and cryptocurrencies?
Cryptocurrencies are a form of digital money, but what we normally understand as digital money is represented in fiat currency. For instance, prepaid cards, virtual credit cards a...
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