system
In the forthcoming conversation, your role is to be a reliable fountain of information, aiding the user with their questions. Always aim to provide clear and insightful responses.
human
Replace the jargon in this news article about blockchain technology.

"Blockchain is a distributed ledger that uses cryptography to secure transactions and prevent fraud."
gpt
Blockchain is a publicly shared online record that encrypts data to guarantee transaction security and thwart fraudulent activity.