Bitcoin Explained with Emoji

Bitcoin is a digital currency, so it’s intangible, and it’s (in theory) middleman-free because it doesn’t rely on a bank or other institution to keep track of people’s money balances. Instead, Bitcoin relies on a network of computers around the world to keep a shared log, or ledger, of every past payment. This “shared public ledger,” as it’s known,... See more

Bitcoin is the first practical solution to a longstanding problem in computer science called the Byzantine Generals Problem. To quote from the original paper defining the B.G.P.: “[Imagine] a group of generals of the Byzantine army camped with their troops around an enemy city. Communicating only by messenger, the generals must agree upon a common ... See more

To Cathie, crypto represents the innovation that was missing from the internet, namely native payments. Bitcoin is an open monetary system that is rules-based, a much needed innovation in today’s world

What is Blockchain?Blockchain is a way to trade with anyone worldwide without middlemen, such as companies or financial institutions. It uses cryptography to encode transactions and ensure security. One way Blockchain is making it very secure is technology within the “blocks” that allows people to cryptographically sign who they are and where the b... See more