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Poll: what is a digital signiture in blockchain technology
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authenticity of your transactions to acces
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our transactions in the bitcoin system

[Image: 1*bJQyDZtJikR7mBVuhVGpBw.png]
The fact that the ledger is maintained by a group of connected computers rather than by a centralized entity like a bank has several implications:
  • In our bank system we only know our own transactions and account balances; on the blockchain everyone can see everyone else’s transactions.
  • While you can generally trust your bank, the bitcoin network is distributed and if something goes wrong there is no help desk to call or anyone to sue.
  • The blockchain system is designed in such a way that no trust is needed; security and reliability are obtained via special mathematical functions

fast increasingly easy to do