blockchain//fork

A fork is a split of the chain into competing branches. Temporary forks happen when two validators create competing blocks at the same height because of network latency.

A fork is a split of the chain into competing branches. Temporary forks happen when two validators create competing blocks at the same height because of network latency.

The fork resolves when one branch gets the next block built on top of it: that chain becomes canonical (the longest chain rule), and the losing block is discarded as an uncle, or ommer. In Clique PoA forks are rare because signing goes by turns, but latency can still cause brief bifurcations.