Orphan
An orphan is a valid block in the blockchain that isn’t included in the main chain of blocks.
More terms under O
- Oracle ManipulationOracle manipulation happens when hackers interfere with an oracle smart contract to change the information it provides, which can lead to incorrect outcomes in…
- OraclesOracles are tools that gather and confirm real-world information and deliver it to smart contracts on the blockchain, helping these contracts work correctly…
- Order BookAn order book is a list that shows all the buy and sell orders for a cryptocurrency, including prices and amounts.
- Orphaned BlockAn orphaned block is a block in a blockchain that is not connected to the main chain because its parent block is missing or not recognized.
- Ouroboros PraosOuroboros Praos is a way for blockchain networks to agree on transactions using a proof-of-stake system. It was created by IOHK and is an improved version of…
- Over The Counter (OTC)Over The Counter (OTC) is a way to trade cryptocurrencies directly between two people, without using an exchange.
Educational definition. Protocol rules and market conventions can differ; check an asset's official documentation.