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Phil Champagne

The Book Of Satoshi: The Collected Writings of Bitcoin Creator Satoshi Nakamoto

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  • Nikolay Khokhlovцитирует7 лет назад
    The steady addition of a constant of amount of new coins is analogous to gold miners expending resources to add gold to circulation.
  • Nikolay Khokhlovцитирует7 лет назад
    By convention, the first transaction in a block is a special transaction that starts a new coin owned by the creator of the block. This adds an incentive for nodes to support the network, and provides a way to initially distribute coins into circulation,
  • Nikolay Khokhlovцитирует7 лет назад
    The steps to run the network are as follows:

    1. New transactions are broadcast to all nodes.
    2. Each node collects new transactions into a block.
    3. Each node works on finding a difficult proof-of-work for its block.
    4. When a node finds a proof-of-work, it broadcasts the block to all nodes.
    5. Nodes accept the block only if all transactions in it are valid and not already spent.
    6. Nodes express their acceptance of the block by working on creating the next block in the chain, using the hash of the accepted block as the previous hash.
  • Nikolay Khokhlovцитирует7 лет назад
    f a majority of CPU power is controlled by honest nodes, the honest chain will grow the fastest and outpace any competing chains. To modify a past block, an attacker would have to redo the proof-of-work of the block and all blocks after it and then catch up with and surpass the work of the honest nodes.
  • Nikolay Khokhlovцитирует7 лет назад
    The solution we propose begins with a timestamp server. A timestamp server works by taking a hash of a block of items to be timestamped and widely publishing the hash, such as in a newspaper or Usenet post [2-5]
  • Nikolay Khokhlovцитирует7 лет назад
    After each transaction, the coin must be returned to the mint to issue a new coin, and only coins issued directly from the mint are trusted not to be double-spent. The problem with this solution is that the fate of the entire money system depends on the company running the mint, with every transaction having to go through them, just like a bank.
  • Nikolay Khokhlovцитирует7 лет назад
    We define an electronic coin as a chain of digital signatures. Each owner transfers the coin to the next by digitally signing a hash of the previous transaction and the public key of the next owner and adding these to the end of the coin
  • Nikolay Khokhlovцитирует7 лет назад
    What is needed is an electronic payment system based on cryptographic proof instead of trust, allowing any two willing parties to transact directly with each other without the need for a trusted third party. Transactions that are computationally impractical to reverse would protect sellers from fraud, and routine escrow mechanisms could easily be implemented to protect buyers. In this paper, we propose a solution to the double-spending problem using a peer-to-peer distributed timestamp server to generate computational proof of the chronological order of transactions. The system is secure as long as honest nodes collectively control more CPU power than any cooperating group of attacker nodes.
  • Nikolay Khokhlovцитирует7 лет назад
    The cost of mediation increases transaction costs, limiting the minimum practical transaction size and cutting off the possibility for small casual transactions, and there is a broader cost in the loss of ability to make non-reversible payments for nonreversible services. With the possibility of reversal, the need for trust spreads. Merchants must be wary of their customers, hassling them for more information than they would otherwise need. A certain percentage of fraud is accepted as unavoidable. These costs and payment uncertainties can be avoided
  • Nikolay Khokhlovцитирует7 лет назад
    the network at will, accepting the longest proof-of-work chain as proof of what happened while they were gone.
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