Bitcoin Whitepaper

Bitcoin Whitepaper Die Einführung

Bitcoin: Ein Peer-to-Peer Electronic Cash System Besuchen Sie das Bitcoin-​Whitepaper Repository auf GitHub für eine Einführung und öffnen Sie ein "Issue",​. Bitcoin: Ein elektronisches Peer-to-Peer- Cash-System. Satoshi Nakamoto [email protected] knussetussenwoning.nl Translated in German from. Satoshi hat in einer Mail in der Cryptographie Mailing List am 1. November ein Whitepaper mit dem schlichten Titel "Bitcoin: A Peer-to-Peer Electronic Cash​. Das Bitcoin White Paper wurde im Jahr von Satoshi Nakamoto in einer Mailing-Liste veröffentlicht. Es enthält die Grundidee und den technologischen. Das Bitcoin Whitepaper auf Deutsch ✓ Das Whitepaper von Satoshi Nakamoto auf knussetussenwoning.nl ✓ Bitcoin Whitepaper deutsch verfügbar.

Bitcoin Whitepaper

Heute, am Oktober, sind es elf Jahre seit das Bitcoin-Whitepaper durch die immer noch geheimnisvolle Person oder Gruppe unter dem. Satoshi hat in einer Mail in der Cryptographie Mailing List am 1. November ein Whitepaper mit dem schlichten Titel "Bitcoin: A Peer-to-Peer Electronic Cash​. Bitcoin: Ein Peer-to-Peer Electronic Cash System Besuchen Sie das Bitcoin-​Whitepaper Repository auf GitHub für eine Einführung und öffnen Sie ein "Issue",​.

Bitcoin Whitepaper Video

Bitcoin Whitepaper (\

In it, Satoshi describes how the Bitcoin protocol will work. It came shortly after the banking crisis of , and in the whitepaper Satoshi proposed a system that could replace the need for central authorities like banks and financial institutions.

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.

While it is a long way from displacing banks and financial institutions, it has made a significant impact in many industries already.

It takes everyone a while to even start to understand it, but if you want to know about it, the whitepaper is technical, but should be read by everyone interested in Bitcoin.

Source: bitcoin. Bitcoin Whitepaper. Published: May 11, The Bitcoin whitepaper was first released by Satoshi Nakamoto on 31st October Satoshi Nakamoto, Please feel free to download and absorb the Bitcoin Whitepaper.

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Share on reddit. Such a system would let two parties transact directly with each other. The new method, namely Bitcoin, features the following:.

Nakamoto believes that it's better to verify transactions rather than trust an external third party, especially when it comes to something as important as money.

The irreversibility of transactions provides confidence that the payment system as a whole is robust.

Secondly, irreversibility minimizes fraud, he argues. Decentralized computers would prove the exact order of these irreversible transactions, creating user confidence that the records in the electronic audit trail, the blockchain, are valid and accurate.

In this section, Nakamoto's description of the electronic transaction process, namely the blockchain, gets technical. Owners digitally sign a hash of the previous transaction and add a public key of the next owner to the end of the coin.

A recipient of the coin, a payee, can verify the signatures in order to verify the chain of ownership.

A Bitcoin doesn't exist anywhere per se, at least not in the traditional sense of physical cash. Rather, Nakamoto's concept of an electronic "coin" is a chronological series of verified digital signatures.

To illustrate, think of Nakamoto's virtual coin as a UPS or FedEx package that you sign at your doorstep before sending it to a forwarding address.

But the difference is that a publicly-available ledger is placed right on the packing slip which shows the entire history of all prior deliveries of the same package.

The information includes all originating addresses as well as timestamps detailing where and when exactly each delivery took place.

For example, John owns only one Bitcoin but sends one coin each to two different merchants -- amounting to two Bitcoins paid with only one originating coin.

Secondly, all participants of the payment system must adhere to the same timeline so that everyone agrees to a single history of the order in which transactions are received.

A timeline and public history of all transactions prevent double-spending because later transactions would be considered an invalid, or perhaps fraudulent, payment from the same coin.

Each coin has a unique timestamp and the earlier transaction would be accepted as the legitimate payment. One coin, one payment. Sending the same coin to a second merchant, per the above example, would show a different timestamp that occurred later in the timeline.

A timestamp server takes a hash of a block of items and publicly announces the hash. The timestamp proves the existence of the data at the time.

Each timestamp includes the previous timestamp in its hash. And each additional timestamp reinforces the ones before it. This sequence forms a chain.

Here we see the emerging structure of the blockchain. The timestamps are key to preventing double-spending and fraud. It'd be virtually impossible to send duplicate coins because each coin contains different, chronologically-ordered timestamps.

Each delivery would contain a unique timestamp on the packing slip, and that would mark the exact time of each and every delivery on the public ledger.

Bitcoin's file size in bytes increases as the transaction history gets larger. And larger files lead to longer processing times.

Transaction processing -- or mining -- continually require more CPU power to verify the transactions because the digital records themselves grow in size.

Nakamoto says that proof-of-work is used to implement a peer-to-peer distributed timestamp network mentioned above. The process scans for a value that when hashed, results in a certain numerical expression.

The timestamp network must reconcile this value with a block's hash. CPU power is needed to satisfy the proof-of-work, and the block cannot be changed without redoing the work.

Later blocks are chained after it, and to change the block would require redoing all the blocks after it. The language may be technical but the concept is simple.

Proof-of-work is what safeguards the blockchain. Nakamoto says that a hash created by a timestamp server is assigned a unique number that is then used to identify the hash in the blockchain.

Inherent in this unique number is a math puzzle that a computer must solve before a transaction can happen. Once a correct answer is given, it serves as proof that the specified work has been done.

When someone sends an electronic coin, they must take a hash's unique number and solve an inherent math puzzle. The answer is then passed to the recipient to check if the solution is correct -- an important validation step.

If not, the proposed transaction is rejected. Otherwise an attacker may allocate several IPs in an attempt to hack the network.

Secondly, the longest chain of blocks serves as proof that the CPUs invested the greater amount of work in that longer chain.

This process secures the blockchain by requiring would-be-attackers to redo the work of the block and all blocks after it i.

Nakamoto says that it'd be an extremely difficult task for an attacker to do just that, and that the probability of success diminishes exponentially the more blocks are added to a chain.

So how does proof-of-work protect the blockchain? In layman's terms, honest CPUs in the network solve each hash's math problem.

As these computational puzzles are solved, these blocks are bundled into a chronologically-ordered chain. Thus the term blockchain.

This validates to the entire system that all the required "math homework" has been completed. An attacker would have to redo all the completed puzzles and then surpass the work of honest CPUs in order to create a longer chain -- a feat that would be extremely unlikely if not impossible.

This sequence makes Bitcoin transactions irreversible. Nakamoto points out that honest nodes in the network need to collectively possess more CPU power than an attacker.

As mentioned in earlier sections, nodes always consider the longest chain to be the correct one and will work on extending it. This section shows why it's important to announce transactions to all nodes.

It forms the basis for verifying the validity of each transaction as well as each block in the blockchain. As mentioned earlier, each node solves a proof-of-work puzzle and thus always recognizes the longest chain to be the correct version.

As time progresses, the blockchain's record grows and provides assurance to the entire network of its validity.

The first transaction in a block is a special transaction that starts a new coin owned by the creator of the block.

This achieves two things. Second, it's a way to initially distribute new coins into circulation since there is no central authority to issue them.

The new coin rewards nodes -- aka Bitcoin miners -- for expending their time, CPU and electricity to make the network possible.

They can also be rewarded with transaction fees. Nakamoto envisions a limited number of coins to ever enter circulation, at which point miners can be incentivized solely by transaction fees that are inflation-free.

New coins also incentivize nodes to play by the rules and remain honest. An attacker would have to expend a ton of resources to threaten the system, and getting rewarded by coins and transaction fees serve as a deterrent to such fraud.

Mining gold requires labor, water and equipment and it's an activity similar to Bitcoin mining. Since a maximum of 21 million Bitcoins will ever be mined, the system can be free of inflation.

Therefore, Bitcoin can serve as a sustainable store of value, similar to gold. Compare that to fiat currency, such as the U.

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Bitcoin Whitepaper - Bitcoin-Whitepaper auf Deutsch: Gibt es eine Übersetzung?

Antwort abschicken. Die inneren Hashes brauchen nicht gespeichert zu werden. Oktober Später hinzugefügte Blöcke bestätigen weiter, dass das Netzwerk sie akzeptiert hat. Bitcoin Whitepaper: Anreizsystem Es gilt die Konvention, dass die erste Transaktion in einem Block eine spezielle Transaktion ist, die eine neue Münze startet, die dem Schöpfer des Blocks gehört.

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