Genesis Block, Block 0
This definition comes from the technical glossary.
Definition
The first block in the Bitcoin block chain.
Synonyms
- 
    Genesis block 
- 
    Block 0 
Not To Be Confused With
- Generation transaction (the first transaction in a block)
Links
- 
    Genesis block — Developer Guide 
- 
    Genesis block — Bitcoin Wiki 
- 
    Why can’t the genesis block coinbase transaction be spent? — Bitcoin StackExchange