According to Science Daily, the most significant geological event that happens in ocean trenches is the gradual subduction of the Earth's crust down into its mantle. This process takes tens of...
A blockchain â originally block chain â is a continuously growing list of records, called blocks, which are linked and secured using cryptography. Each block contains typically a hash pointer as a link to a previous block, a timestamp and transaction data. By design, blockchains are inherently resistant to modification of the data.
What is a 'Blockchain'. A blockchain is a public ledger of all Bitcoin transactions that have ever been executed. It is constantly growing as âcompletedâ blocks are added to it with a new set of recordings. The blocks are added to the blockchain in a linear, chronological order.