Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities. It also aims to hide "non-content" data, like the sender and receiver of messages, from eavesdroppers. If Bitmessage is completely new to you, you may wish to start by reading the whitepaper.
Welcome to /r/btc! Home of: Up to date Bitcoin discussions, News and Exclusive AMA (Ask Me Anything) interviews from top Bitcoin industry leaders, and more!
Bitcoin is the currency of the Internet. A distributed, worldwide, decentralized digital money. Unlike traditional currencies such as dollars, bitcoins are issued and managed without the need for any central authority whatsoever.
Cryptography is the art of creating mathematical assurances for who can do what with data, including but not limited the classical example of encrypting messages so that only the key-holder can read it. Cryptography lives at an intersection of math, programming, and computer science.
This subreddit covers the theory and practice of modern and strong cryptography, and it is a technical subreddit focused on the algorithms and implementations of cryptography.