Orphan Block

A valid block not included in the longest blockchain because another block was found at the same height simultaneously.

Glossary March 5, 2026

A physical device that stores cryptocurrency private keys offline, providing strong security against online attacks.

Glossary March 5, 2026

A full node in certain cryptocurrency networks that performs additional functions in exchange for block rewards.

Glossary March 5, 2026

A cryptographic method to prove a transaction is included in a block without downloading the entire block.