Blockchain is characterized as a huge decentralized distributed database, ideal for industries prioritizing transparency, immutability, tamper-proofing, and decentralization.

Blockchain technology has a significant impact on various fields including finance, cryptocurrencies, supply chain, and healthcare.

Smart contracts are self-executing programs operating on blockchain, enabling automated and tamper-proof transactions and processes.

The article provides developers with insights on writing and deploying these smart contracts effectively.