Course Content
Uses for the Blockchain
What can we do with these wonderful blocks?
Consensus Protocols
All the kinds of Consensus Protocols out there!
History of the Blockchain
Where did this crazy Blockchain come from anyway?
Blockchain Basics
About Lesson

What is distributed ledger technology?

Distributed ledger technology (DLT) refers specifically to the technological infrastructure and protocols that allow the simultaneous access, validation and updating of records that characterizes distributed ledgers. It works on a computer network spread over multiple entities or locations.

DLT uses cryptography to securely store data, cryptographic signatures and keys to allow access only to authorized users.

The technology also creates an immutable database, which means information, once stored, cannot be deleted and any updates are permanently recorded for posterity.

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