Instead of involving lots of humans in the transaction pipeline and paper processes that take days, weeks, or months to complete, huge volumes of transactions could be validated automatically. Other more complicated transactions that still require humans could at least be simplified with the help of mathematical validation.

From a legal standpoint, the system becomes a “person,” a virtual third-party enforcer that never sleeps. From a computing perspective, that “person” is actually a software agent. The use of agents will be essential to scaling recordkeeping and providing visibility to the historical record.

Source: Blockchain importance: PwC