Blockchains are an innovative and relatively new technology that first emerged in 2009 when the pseudonymous creator Satoshi Nakamoto invented the concept, creating the Bitcoin network. At a high ...

A blockchain is essentially a decentralized ledger that maintains transaction records on many computers simultaneously. Once a group, or block, of records is entered into the ledger, the block’s ...

The concept involves blocks of digital data that are connected, distributed and validated in ways that proponents say make it resistant to tampering. An unknown person (or people) going by the name ...

Imagine a notebook that everyone in the world can see but no one can erase. Now imagine that this notebook isn’t stored in just one place, but copied and constantly updated on millions of computers at ...

Although it is being touted as one of the most important innovations since creation of the Internet, most people only know blockchain as the technology supporting Bitcoin and other cryptocurrencies.

In simple terms, a blockchain can be described as an append-only transaction ledger. What that means is that the ledger can be written onto with new information, but the previous information, stored ...

It’s often not easy to envision or understand a new technology when we first hear about it—especially when the technology is not something that you can see, hold or touch. Everyone can see what a ...

A reorganization, abbreviated as reorg, occurs when a block is deleted from the blockchain to make room for a longer chain. Despite its potential, blockchain is beset by obstacles. For example, block ...

This is not reading material for kindergarteners. It is, however, for the benefit of kindergarteners and other young people who will live in a world where blockchain has much to do with their lives. I ...

Fefe Demeny explains what a blockchain is, a digital ledger that has revolutionized the world of finance due to its decentralized model. Imagine a notebook that everyone in the world can see but no ...