A SHORT Introduction To Blockchain - For Normal People
Crypto-what?
If you've attempted to dive into this mysterious thing called blockchain, you'd be forgiven for recoiling in horror at the sheer opaqueness of the technical jargon that is often used to frame it. So before we enter what a crytpocurrency is and how blockchain technology might change the planet, let's discuss what blockchain happens to be.
In the easiest terms, a blockchain is really a digital ledger of transactions, not unlike the ledgers we have been using for hundreds of years to record sales and purchases. The function of the digital ledger is, actually, pretty much identical to a normal ledger in that it records debits and credits between people. Best Ethereum Wallets is the core concept behind blockchain; the difference is who holds the ledger and who verifies the transactions.
With traditional transactions, a payment from one person to another involves some type of intermediary to facilitate the transaction. Suppose Rob really wants to transfer �20 to Melanie. He is able to either give her profit the proper execution of a �20 note, or he is able to use some kind of banking app to transfer the money directly to her bank-account. In both cases, a bank may be the intermediary verifying the transaction: Rob's funds are verified when he takes the amount of money out of a cash machine, or they're verified by the app when he makes the digital transfer. The bank decides if the transaction is going ahead. The lender also holds the record of most transactions created by Rob, and is solely responsible for updating it whenever Rob pays someone or receives money into his account. Put simply, the bank holds and controls the ledger, and everything flows through the bank.
That's a lot of responsibility, so it's important that Rob feels he can trust his bank otherwise he'd not risk his money with them. He needs to feel confident that the lender will not defraud him, won't lose his money, will never be robbed, and will not disappear overnight. This dependence on trust has underpinned pretty much every major behaviour and element of the monolithic finance industry, to the extent that even when it was found that banks were being irresponsible with this money during the financial meltdown of 2008, the government (another intermediary) chose to bail them out instead of risk destroying the final fragments of trust by permitting them to collapse.
Blockchains operate differently in one key respect: they are entirely decentralised. There is no central clearing house such as a bank, and there is no central ledger held by one entity. Instead, the ledger is distributed across a massive network of computers, called nodes, all of which holds a copy of the complete ledger on their respective hard drives. These nodes are linked to one another via a piece of software called a peer-to-peer (P2P) client, which synchronises data over the network of nodes and makes certain that everybody gets the same version of the ledger at any given time
If you've attempted to dive into this mysterious thing called blockchain, you'd be forgiven for recoiling in horror at the sheer opaqueness of the technical jargon that is often used to frame it. So before we enter what a crytpocurrency is and how blockchain technology might change the planet, let's discuss what blockchain happens to be.
In the easiest terms, a blockchain is really a digital ledger of transactions, not unlike the ledgers we have been using for hundreds of years to record sales and purchases. The function of the digital ledger is, actually, pretty much identical to a normal ledger in that it records debits and credits between people. Best Ethereum Wallets is the core concept behind blockchain; the difference is who holds the ledger and who verifies the transactions.
With traditional transactions, a payment from one person to another involves some type of intermediary to facilitate the transaction. Suppose Rob really wants to transfer �20 to Melanie. He is able to either give her profit the proper execution of a �20 note, or he is able to use some kind of banking app to transfer the money directly to her bank-account. In both cases, a bank may be the intermediary verifying the transaction: Rob's funds are verified when he takes the amount of money out of a cash machine, or they're verified by the app when he makes the digital transfer. The bank decides if the transaction is going ahead. The lender also holds the record of most transactions created by Rob, and is solely responsible for updating it whenever Rob pays someone or receives money into his account. Put simply, the bank holds and controls the ledger, and everything flows through the bank.
That's a lot of responsibility, so it's important that Rob feels he can trust his bank otherwise he'd not risk his money with them. He needs to feel confident that the lender will not defraud him, won't lose his money, will never be robbed, and will not disappear overnight. This dependence on trust has underpinned pretty much every major behaviour and element of the monolithic finance industry, to the extent that even when it was found that banks were being irresponsible with this money during the financial meltdown of 2008, the government (another intermediary) chose to bail them out instead of risk destroying the final fragments of trust by permitting them to collapse.
Blockchains operate differently in one key respect: they are entirely decentralised. There is no central clearing house such as a bank, and there is no central ledger held by one entity. Instead, the ledger is distributed across a massive network of computers, called nodes, all of which holds a copy of the complete ledger on their respective hard drives. These nodes are linked to one another via a piece of software called a peer-to-peer (P2P) client, which synchronises data over the network of nodes and makes certain that everybody gets the same version of the ledger at any given time
Public Last updated: 2021-05-04 10:50:11 AM
