What is blockchain? with examples

Blockchain is a decentralized, digital ledger that records transactions across a network of computers. It is a secure and transparent way to record and verify transactions without the need for a central authority or intermediary.

Examples of blockchain technology include:

1. Bitcoin: The first and most well-known use of blockchain technology is the digital currency, Bitcoin. It uses blockchain to record and verifies all transactions on the network.
2. Ethereum: Another digital currency, Ethereum, uses blockchain to create smart contracts that automatically execute when certain conditions are met.
3. Supply Chain Management: Companies are using blockchain to track the movement of goods and materials in the supply chain. This allows for more transparency and efficiency in the supply chain process.
4. Healthcare: Blockchain is being used in the healthcare industry to securely store and share patient data. This allows for more efficient and secure data sharing among healthcare providers.
5. Voting: Blockchain technology is being used in electronic voting systems to create a secure and transparent way to record and verify votes.
6. Real estate: Blockchain can be used for property title registration, recording and tracking mortgages and deeds, and even property and tenant management.