A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Off-chain

It refers to transactions occuring outside the blockchain and executed instantly.

Offline Staking

Staking without needing to be connected to the blockchain

Open/Close

The price at which a cryptocurrency opens at a time period, for example at the start of the day; the price at which a cryptocurrency closes at a time period, for example at the end of the day.

Open Source

Open-source software is a type of software released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.

opML (Optimistic Machine Learning)

opML (Optimistic Machine Learning) employs an optimistic verification mechanism and is able to handle large-scale machine learning models with billions of parameters efficiently, using fraud proofs that verify the ML computation.

Option

It is a financial instruments that refers to a contract offers the buyer the right to buy or sell an underlying assets at a specified price and time.

Oracles

In the context of crypto, oracles refers to services which verify real-world and provide data to blockchains/smart contracts.

Order Book

An electronic list of all buy and sell orders in an exchange

Over The Counter (OTC)

It refers to the process that cryptocurrencies are being traded outside exchange and it is done directly between two parties