What is the difference between Blockchain and a Database?Generally a database is a collection of data which can be stored and organized using a database management system. The people who have access to the database can view or edit the information stored there. The client-server network architecture is used to implement databases. whereas a blockchain is a growing list of records, called blocks, stored in a distributed system. Each block contains a cryptographic hash of the previous block, timestamp and transaction information. Modification of data is not allowed due to the design of the blockchain. The technology allows decentralized control and eliminates risks of data modification by other parties.
However, it acknowledged the video did not include explicit imagery and the man remained clothed for its duration.
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Kevin Church/BBC News
"And then we're going to travel a quarter of a million miles away… we're going to do a lot of science and operations along the way."