How does a transaction get into the blockchain?

There are several key steps a transaction must go through before it is added to the blockchain. Today, we’re going to focus on authentication using cryptographic keys, authorisation via proof of work, the role of mining, and the more recent adoption of proof of stake protocols in later blockchain networks. Authentication The original blockchain wasContinue reading “How does a transaction get into the blockchain?”

What’s the difference between blockchain and Bitcoin?

Blockchain is the technology that underpins the cryptocurrency Bitcoin, but Bitcoin is not the only version of a blockchain distributed ledger system in the market. There are several other cryptocurrencies with their own blockchain and distributed ledger architectures. Meanwhile, the decentralisation of the technology has also led to several schisms or forks within the BitcoinContinue reading “What’s the difference between blockchain and Bitcoin?”

What is blockchain?

Blockchain is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system. A blockchain is essentially a digital ledger of transactions that is duplicated and distributed across the entire network of computer systems on the blockchain. Each block in the chain contains a numberContinue reading “What is blockchain?”

What is crypto-currency?

A cryptocurrency is an encrypted data string that denotes a unit of currency. It is monitored and organized by a peer-to-peer network called a blockchain, which also serves as a secure ledger of transactions, e.g., buying, selling, and transferring. Unlike physical money, cryptocurrencies are decentralized, which means they are not issued by governments or otherContinue reading “What is crypto-currency?”

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