From the course: CompTIA Security+ (SY0-701) Cert Prep: 1 General Security Concepts
Join today to access over 23,200 courses taught by industry experts.
Blockchain
From the course: CompTIA Security+ (SY0-701) Cert Prep: 1 General Security Concepts
Blockchain
The blockchain is a distributed and immutable and sometimes public ledger. This means that the blockchain can store records in a way that distributes those records among many different systems located around the world, and do so in a manner that prevents anyone from tampering with those records. The blockchain creates a data store that nobody can tamper with or destroy. The first major application of the blockchain was cryptocurrency. The blockchain was originally invented as the foundational technology for Bitcoin, allowing the tracking of Bitcoin transactions without the use of a centralized authority. In this manner, blockchain allows the existence of a currency that has no central regulator. The authority for Bitcoin transactions is distributed among all participants in the Bitcoin blockchain. While cryptocurrency is the blockchain application that has received the most attention so far, there are many other uses for distributed, immutable ledger. So much so that new applications…
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.