Blockchain is a technology whose propose is establishing trust in a distributed system. Problems of authentication, integrity, and nonrepudiation are solved by digital signatures.
Digital signatures don't guarantee the time when the document was signed. For that reason, using blockchain in a financial transaction and other forms of the legal contract provides necessary security in the time.
It is a perfect alternative to avoid cyber attacks and to guarantee the trust of any transaction, for example, bitcoin.
Digital signatures don't guarantee the time when the document was signed. For that reason, using blockchain in a financial transaction and other forms of the legal contract provides necessary security in the time.
It is a perfect alternative to avoid cyber attacks and to guarantee the trust of any transaction, for example, bitcoin.