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.
Blockchain is a digital ledger that provides a secure way of making and recording transactions, agreements and contracts â anything that needs to be recorded and verified as having taken place. However, uniquely, rather than being kept in one place like the more traditional ledger book, the database is shared across a network of computers.