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Bitcoin does this using the blockchain. Bitcoin’s creator invented the blockchain technology!In the blockchain, bitcoins are registered to bitcoin addresses. Creating a bitcoin address requires nothing more than picking a random valid private key and computing the corresponding bitcoin address. This computation can be done in a split second. But the reverse, computing the private key of a given bitcoin address, is practically unfeasible.:ch. 4 Users can tell others or make public a bitcoin address without compromising its corresponding private key. Moreover, the number of valid private keys is so vast that it is extremely unlikely someone will compute a key-pair that is already in use and has funds. The vast number of valid private keys makes it unfeasible that brute force could be used to compromise a private key. To be able to spend their bitcoins, the owner must know the corresponding private key and digitally sign the transaction. The network verifies the signature using the public key; the private key is never revealed.:ch. 5раздача bitcoin sgminer monero cryptocurrency dash mikrotik bitcoin теханализ bitcoin bitcoin pos bitcoin project bitcoin рбк ethereum dao get bitcoin адрес bitcoin transactions bitcoin краны monero attack bitcoin

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Bitcoin is Changing Communication

Bitcoin isn’t simply an innovation in currency. It’s an innovation in communication. Bitcoin is becoming the universal language of money. And as with email, SMS, and video chat, new technologies that enhance our ability to communicate one-to-one typically start off slowly, build up a user base—and ultimately go global.

The Evolution of our Communication

People have always had a fundamental need to communicate with others one-to-one. You could argue that cave drawings from more than 30,000 years ago were an early expression of this need.

The telephone, as we know it, came about in the mid 1800s, eventually changing forever how we communicate. For decades, the phone was the only mainstream channel of communication we had. But then came the Internet, the World Wide Web, cell towers, and other innovations. Everything changed.

Email, which had been around in various forms for years, suddenly exploded with popularity. So did mobile phones and text messaging. Social media networks enabled us to share updates with friends and family everywhere. Skype went from being a little-know video chat service to a verb. Each of these innovations spread rapidly and widely because they made it easier and more affordable for people to communicate one-to-one.

Money is a Form of Communication

Money is also a form of communication. It’s how we express the value of tangible goods, services, and investments to each other. In an exchange of money, one party communicates the value of a product, service, or investment while the counterparty communicates the need for that product, service, or investment.

In our global economy, everyone has to learn how to “speak money”, at least on some level. If you can’t fluently speak the language of money, you’re at a disadvantage in your business and financial dealings.

The trouble is, money as a highly localized form of communication, tied to local currencies, cultures, and values. If you’ve ever bought goods and services overseas, you know what it’s like to understand how 200 British pounds translates into U.S. dollars, or vice versa.

A Way to Express Value, One-to-One

With so many complexities, layers, and intermediaries, wouldn’t it be better if our money communications could be one-to-one, or, in tech terms, peer-to-peer? History shows that we want to communicate simply and directly. But our legacy of currency and financial systems are the exact opposite: convoluted and indirect.

That’s where bitcoin comes in. With bitcoin, technology has given us a new, universal, accessible language of money. Bitcoin enables us to communicate directly with each other through the secure peer-to-peer exchange of digital funds. There’s no localization to decipher. No intermediaries to deal with. Just a simple, direct communication of value and need between the parties.

Like the telephone, email, text messaging, Facebook status updates, tweets, and video chats, bitcoin is poised to become a new way of communicating around the globe. And like those technologies, it won’t happen overnight. Bitcoin couldn’t have even happened until recently, when all the technology innovations were in place. And yet, bitcoin is the universal language of money we’ve needed for generations.



The raw transaction format is hashed to create the transaction identifier (txid). From these txids, the merkle tree is constructed by pairing each txid with one other txid and then hashing them together. If there are an odd number of txids, the txid without a partner is hashed with a copy of itself.калькулятор ethereum

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Since Bitcoin technology is open-source and not proprietary, other cryptocurrencies can be and have been created, and many of them like Litecoin even have specific advantages over Bitcoin itself, like faster processing times.сложность bitcoin купить monero криптовалют ethereum plasma ethereum bitcoin pools ethereum асик 4pda bitcoin

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