Think of the chain that would be used to secure an anchor on a ship. Each “link” in this chain, however, is a data item that records some aspect of a transaction. The blockchain is the technology that underpins cryptocurrencies like Bitcoin and Ethereum. A blockchain can be thought of as nothing more than an open, verifiable ledger of transactions. Each transaction of bitcoins sent and received is recorded in a public ledger called the blockchain.

Coins like Bitcoin, Ethereum, Bitcoin Cash, and Litecoin all use blockchain technology to ensure their transactions are private. That is to say, they are subjected to constant scrutiny by an enormous amount of computing power to ensure their accuracy. By eliminating centralised intermediaries such as banks or credit card companies, cryptocurrencies and the blockchain technology they employ enable instant and secure online value transfers.

Most cryptocurrencies rely on the blockchain, a public ledger that records all transactions made in the currency’s network and makes it possible for users to send and receive money anonymously without going through a central authority.

Blockchain-based transactions have the potential to be more secure than those conducted with traditional payment systems like debit and credit cards because of the networks’ cryptographic foundations. When using Bitcoin as an example of a form of payment, no private information is required. That means your identity and financial data are extremely unlikely to be stolen.

The fact that blockchain technology can be applied to fields other than cryptocurrency also makes it an interesting innovation. The potential of blockchains in healthcare is being explored, with applications including record keeping (with improved accuracy), supply chain management, and more.

What is the function of a blockchain?

 The most recent transactions appear at the top of the chain, while the more distant ones appear lower down. If you keep going, eventually you’ll reach the harbor’s bottom, where an anchor rests. Upon completion, you will have access to all cryptocurrency transactions ever made. Since it is a public, auditable ledger of a cryptocurrency’s entire transaction history, the blockchain provides significant benefits to security. Attempts to tamper with a transaction will result in the connection being severed, exposing the event to the rest of the network. That’s the essence of blockchain broken down for you.

Who was the first person to create a blockchain?

In late 2008, an anonymous author or authors using the moniker “Satoshi Nakamoto” released a whitepaper outlining the ideas behind a new form of digital currency they called “Bitcoin.” All subsequent digital currencies are merely refined versions of the original concepts introduced there.

Where do you see blockchains going from here?

The blockchain concept has evolved into a framework upon which a wide variety of applications can be built. Many industry insiders have compared blockchain’s potential to revolutionise our daily lives to that of early public internet protocols like HTML, when the World Wide Web was still in its infancy.

 

By dmom