In a peer-to-peer system, the same transfer would be much simpler

The purpose of authentication is to prevent someone from claiming to be someone else.

Extropy.io, a consultancy working with startups to develop applications on the Ethereum platform.

Authorization means granting access to specific resources or services due to the characteristics or

Each blockchain-data-structure represents one ledger and is maintained by one node of the system. The blockchain-algorithm is responsible for letting the individual nodes collectively arrive at

the identical key was used for both methods, this was called symmetric cryptography

Authorization Only the owner of the account who hands off ownership should be allowed to advise the blockchain to execute a transaction on his or her behalf.

Proving ownership is easier when the ledger is open to anyone. Hence, transparency is the basis of proving ownership rights in a similar way as witnesses making a public testimony in court. However, transferring ownership must be exclusively restricted to the lawful owner. So privacy forms the basis of transferring ownership.

integrity is a nonfunctional aspect of a system to be safe, complete, consistent, correct, and free of corruption and errors. Trust is also the firm belief of humans in the reliability, truth, or ability of someone or something without evidence, proof, or investigation.