Concepts

Block Height

How many blocks have been mined since the very first one (genesis)

Category: Concepts Also known as: 2 Related terms: 2

Definition

Sequential number of a block in the Bitcoin chain. Genesis block = 0, current tip is ~947,000 (April 2026). New block roughly every 10 minutes. A confirmed TX has a block_height; mempool TXs do not.

Context anchor

~144 blocks per day; halvings occur every 210,000 blocks (~4 years)

Example

Block 947,135 was mined on April 29, 2026

Also known as

block heightblock number