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Bitcoin: Peer-to-Peer Electronic Money System Summary: Fully peer-to-peer electronic money should allow online payments to be sent directly from one party to another There is no need to go through a financial institution to host a party. Digital signatures provide a partial solution, but if you still need A trusted third party prevents double spending, thereby losing the main advantage of electronic money. us A solution to the double-spend problem using a peer-to-peer network is proposed. The network works by hashing transactions into Form an ever-growing chain of hash-based workload parameters to time transactions unless Redo proof-of-work records that otherwise cannot be changed. The final chain is more than just proof of the sequence of events witnessed That itself is reportedly evidence of being generated by the largest pool of CPU computing power. Most of the computing power of the CPU alone If power is controlled by nodes that do not intend to jointly attack the network, these nodes will generate the final chain and outlast the attack The network itself is a minimalist architecture. The information will be fully broadcast and nodes can leave and Simply accept the last proof-of-work chain as proof of what happened when they left to rejoin the network according to.