CRYPTO GLOSSARY

Genesis block

The first block of a blockchain. Bitcoin's is dated 3 January 2009.

Genesis block in more detail

The first block, known as the genesis block, is dated 3 January 2009. Satoshi released the first version of the software five days later.

The genesis block contains a line of text: that day's headline from The Times of London, about a second bailout for banks. It shows the block was not made before that date. Many people also read it as a comment on a system where failing banks are rescued with public money.

FROM LESSON 2 · 4 MIN READWhy Bitcoin was createdBitcoin solved the double-spend problem without a bank in the middle. Learn where it came from, what the white paper proposed and who Satoshi Nakamoto was.Read the lesson

All 128 terms · Checked against the lesson's sources on 8 October 2026.

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