CRYPTOCURRENCY - "How This Worldwide Ledger Works "

HOW THIS WORLDWIDE LEDGER WORKS

Big banks and some governments are implementing blockchains as distributed ledgers to revolutionize the way information is stored and transactions occur. Their goals are laudable—speed, lower cost, security, fewer errors, and the elimination of central points of attack and failure. These models don’t necessarily involve a cryptocurrency for payments. However, the most important and far-reaching blockchains are based on Satoshi’s bitcoin model. Here is how they work. Bitcoin or other digital currency isn’t saved in a file somewhere; it’s represented by transactions recorded in a blockchain—kind of like a global spreadsheet or ledger, which leverages the resources of a large peer-to-peer bitcoin network to verify and approve each bitcoin transaction.

Each blockchain, like the one that uses bitcoin, is Distributed it runs on computers provided by volunteers around the world; there is no central database to hack. The blockchain is Opened: anyone can view it at any time because it resides on the network, not within a single institution charged with auditing transactions and keeping records. And the blockchain is encrypted it uses heavy-duty encryption involving public and private keys(rather like the two-key system to access a safety deposit box) to maintain

virtual security. You needn’t worry about the weak firewalls of Target.

Every ten minutes, like the heartbeat of the bitcoin network, all the transactions conducted are verified, cleared, and stored in a block which is linked to the preceding block, thereby creating a chain. Each block must refer to the preceding block to be valid. This structure permanently time-stamps and stores exchanges of value, preventing anyone from altering the ledger. If you wanted to steal a bitcoin, you’d have to rewrite the coin’s entire history on the blockchain in broad daylight. That’s practically impossible. So the blockchain is a distributed ledger representing a network consensus of every transaction that has ever occurred. Like the World Wide Web of information, it’s the World Wide Ledger of value—a distributed ledger that everyone can download and run on their personal computer.Some scholars have argued that the invention of double-entry bookkeeping enabled the rise of capitalism and the nation-state. This new digital ledger of economic transactions can be programmed to record virtually everything of value and importance to humankind: birth and death certificates, marriage licenses, deeds and titles of ownership, educational degrees, financial accounts, medical procedures, insurance claims, votes,provenance of food, and anything else that can be expressed in code. (Amazing Right)

The new platform enables a reconciliation of digital records regarding Just about everything in real time. In fact, soon billions of smart things in the physical world will be sensing, responding, communicating, buying their own electricity and sharing important data, doing everything from protecting our environment to managing our health. This Internet of Everything needs a Ledger of Everything. Business, commerce, and the economy need a Digital Reckoning.

So why should you care? We believe the truth can set us free and distributed trust will profoundly affect people in all walks of life. Maybe you’re a music lover who wants artists to make a living off their art, Or consumer who wants to know where that hamburger meat really came from.

Perhaps you’re an immigrant who’s sick of paying big fees to send money home to loved ones in your ancestral land. Or a Saudi woman who wants to publish her own fashion magazine. Or a citizen fed up with the lack of transparency and accountability of political leaders. Or a user of social media who values your privacy and thinks all the data you generate might be worth something —to you. Even as we write, innovators are building blockchain-based applications that serve these ends. And they are Just the beginning.

Thanks to @MarcDeMesel Thanks to @Read.cash

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