What is blockchain and how does it work?

Blockchain is a digital ledger database whose recorded contents are encrypted into a sequence of blocks and distributed throughout a network of participating computers (nodes). Blockchain is a distributed ledger database system whose technologies can change the way businesses and governments operate.

What happens if you don't use blockchain?

Without blockchain, each organization has to keep a separate database. Because blockchain uses a distributed ledger, transactions and data are recorded identically in multiple locations. All network participants with permissioned access see the same information at the same time, providing full transparency.

What is IBM Blockchain for Dummies?

IBM Blockchain | IBM Now in its 3rd edition, IBM’s Blockchain for Dummies has introduced blockchain to more than 68,000 readers. Blockchain defined: Blockchain is a shared, immutable ledger that facilitates the process of recording transactions and tracking assets in a business network.

Can Blockchain Change industries from the bottom up?

Despite its reputation for impenetrability, the basic idea behind blockchain is pretty simple. And it has major potential to change industries from the bottom up. Blockchain is a technology that enables the secure sharing of information. Data, obviously, is stored in a database. Transactions are recorded in an account book called a ledger.