Offline Signing
A technique for signing transactions on a computer that is not connected to the internet.
Offline Backup
A backup that is stored on a separate physical device that is not connected to the internet.
Off-Chain
Transactions that occur outside of a blockchain network, but are later settled on the network.
On-Chain
Transactions that occur on a blockchain network.
Open Source
Software that is freely available for anyone to view, modify, and distribute.
Oracles
Third-party services that provide off-chain data to smart contracts on a blockchain network.