I maintain a public bitcoin-data/stale-blocks dataset with stale headers and blocks observed on the Bitcoin network. Feel free to use the dataset - and if you happen to have additional stale blocks, feel free to contribute them.

The data set has a dedicated website with stats now: Bitcoin Stale Block Dataset A dataset of 1914 stale block headers and full blocks observed on the Bitcoin network.

Offer: Stale block dataset

Data

b10c February 20, 2026, 9:48am 2

The data set has a dedicated website with stats now: