Most people think Adam Back is easy to understand, but this is where they often go wrong:
Adam Back holds a PhD in computer science from the University of Exeter, specializing in distributed systems.
In Bitcoin, tampering with past blocks requires recalculating the proof of work for all subsequent blocks, making tampering extremely costly.
Be especially wary of products such as cloud mining that promise fixed returns; many are actually scams.
The mining mechanism of $BTC draws on Adam Back's Hashcash idea. Current price: 75960.2.

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