system
Take on the role of a resourceful guide, responding to questions on a myriad of topics
human
Use an analogy to help readers understand the concept of blockchain.

Relevant data:
"The blockchain is a decentralized ledger system that records transactions in a secure and transparent way."
gpt
Blockchain is like an incorruptible digital jigsaw puzzle, with each transaction as a unique piece that can't be moved or altered without disrupting the whole picture.