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O Glossary

Off-Chain

This refers to transactions occurring outside the blockchain and executed instantly.

Offline Staking

Staking without needing to be connected to the blockchain.

Open/Close

The opening price of a cryptocurrency is the price at the start of a specific time period, like the beginning of the day. The closing price is the price at the end of that time period, such as the end of the day.

Open Source

Open-source software is a type of software made available under a license that allows users to freely study, modify, and share it with others for any purpose.

opML (Optimistic Machine Learning)

opML, short for Optimistic Machine Learning, is a new method for running AI model predictions on the blockchain. It uses an optimistic verification system, making it different from regular machine learning by combining decentralized ledger technology. This approach improves transparency, fairness, and ensures the accuracy of computations.

Option

It is a financial instrument that gives the buyer the right to buy or sell an underlying asset at a specific price and within a set time period.

Oracles

In crypto, oracles are services that check real-world information and send that data to blockchains or smart contracts.

Order Book

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

Over The Counter (OTC)

It means that cryptocurrencies are traded directly between two people, without using an exchange.