Tor Network Full Name: The Onion Router (Tor) Network Definition: The Tor Network is a free,…

Blockchain Blockchain is a decentralized, distributed digital ledger technology that records transactions across a network of…

Distributed Ledger A Distributed Ledger (DLT, Distributed Ledger Technology) is a decentralized digital database that records transactions or…

Smart Contract Definition A smart contract is a self-executing digital contract with the terms of an agreement directly…

Firmware Security Definition: Firmware security refers to the practice of protecting the low-level software (firmware) embedded…

Watermarking 1. Basic Definition Watermarking is a technique for embedding imperceptible or visible information (a “watermark”) into…

Digital Watermark Definition A Digital Watermark is a hidden, imperceptible (or perceptible, for visible watermarks) piece of data…

Steganography Basic Definition Steganography (from the Greek words steganos meaning “covered” and graphein meaning “to write”) is the practice of hiding…

Cryptography Definition: Cryptography is the practice of securing communication and data by converting plaintext (readable information)…

Symmetric encryption (also called secret-key encryption) is a cryptographic method where the same secret key is…