Orphan Block

In a sentence

The valid block became an orphan block after the network accepted a competing branch.

• The valid block became an orphan block after the network accepted a competing branch.
• An orphan block is not part of the final main chain even though a miner produced it.
• Temporary propagation differences caused two miners to find blocks at nearly the same time.
• The explorer marked the losing block as orphaned after consensus resolved the fork.
• Transactions from the orphan block could later appear in an accepted block.