Glossary

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Notarization on blockchain simply uses the intrinsic nature and advantages of blockchain technology to let anyone create a timestamped artifact. The authorship and identity of this artifact can easily and securely be identified at any point.
A transaction that is processed outside the blockchain network with an increased speed and reduced cost.
Off-chain governance is a type of blockchain governance in which decisions are made informally, away from the primary code base of the blockchain.
An off-chain transaction is defined as a second-layer protocol where the transactions occur on a network and move value outside of the blockchain.
A currency that is created (minted) outside of the specified blockchain ledger but is accepted or used.
The Office of the Comptroller (OCC) is a U.S. Treasury branch that regulates all national banks, federal savings associations, federal branches and foreign bank agencies
The act of storing cryptocurrencies in devices or systems not connected to the internet.
An offshore account is defined as a foreign bank account with assets and investments set outside of your origin country or country of residence.
On-balance volume (OBV) is a technical trading indicator that forecasts an asset's price movements based on the volume flow.
Transactions that are recorded on the blockchain itself and shared with all of the participants are done on-chain.
On-chain governance is a decentralized framework used for organizing and integrating updates/improvements to the blockchain networks.
A currency that is both minted on the blockchain ledger and also used on the blockchain ledger, such as Bitcoin.
A situation where two orders for cryptocurrency are placed simultaneously, with a rule in place to enforce that if one is accepted, the other is cancelled.
The act of storing cryptocurrencies in devices or systems connected to the internet.
Open source is a philosophy, with participants believing in the free and open sharing of information in pursuit of the greater common good.
The price at which a cryptocurrency opens at a time period or the programming principle of software parts being extendable.
OpenSea is a decentralized P2P platform for NFTs.
An optimistic rollup is a type layer 2 scaling solution that relies on off-chain computation to trustlessly record transactions that happen in the layer 2.
A contract giving the buyer the right, but not the obligation, to buy or sell an underlying asset or instrument at a specified strike price.
A public market for options, giving the buyer an option to buy or sell a cryptocurrency at a specific strike price, on or before a specific date.
Oracle manipulation is when an oracle smart contract is manipulated by hackers.
An agent that finds and verifies information, bridging the real world and the blockchain by providing data to smart contracts for execution of said contracts under specified conditions.
An order book comprises different key information regarding an asset.
A valid block on the blockchain that is not part of the main chain.
An orphaned block is a block where the parent block does not exist or is unknown.
Over-collateralization (OC) is the provision of collateral that is worth more than enough to cover potential losses in cases of default.
Over-the-counter is defined as a transaction made outside of an exchange, often peer-to-peer through private trades.
Over-the-counter refers to the process of how securities are traded through a broker-dealer network as opposed to a centralized exchange.
When a cryptocurrency has been purchased by more and more investors over time, with its price increasing for an extended period of time.