How Does Bitcoin Record Transactions?
From signed transactions to blocks to the blockchain. How Bitcoin creates a tamper-evident record of every transfer ever made.
Bitcoin
How Does Bitcoin Use Cryptography?
Hash functions and key pairs: the two cryptographic foundations that make Bitcoin secure. Explained without math, using examples you can verify yourself.
Why Was Bitcoin Created?
Bitcoin emerged during the 2008 financial crisis. It solved a problem that decades of research could not: how to transfer value digitally without trusting any institution.
What Is Bitcoin?
Bitcoin is both a new form of money and a new kind of monetary system. Two definitions that explain what makes it different from anything that came before.