• Cryptocurrencies: 8 763

Glossary

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. It is also a philosophy, with participants believing in the free and open sharing of information in pursuit of the greater common good.

Option

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. There are American and European options, the former of which may be exercised at any time before expiration, and the latter exercised only at the expiration date.

Options Market

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.

Oracles

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.

Orphan

A valid block on the blockchain that is not part of the main chain. They may come into existence when two miners produce blocks at similar times, or caused by an attacker attempting to reverse transactions. This is sometimes also known as a “detached block”.

Overbought

When a cryptocurrency has been purchased by more and more investors over time, with its price increasing for an extended period of time. When this happens without any justifiable reason, the cryptocurrency is considered overbought, and a period of selling is expected.

Oversold

When a cryptocurrency has been sold by more and more investors over time, with its price decreasing for an extended period of time. When this happens without any justifiable reason, the cryptocurrency is considered oversold, and a period of buying is expected.

Over The Counter (OTC)

Over The Counter is defined as a transaction made outside of an exchange, often peer-to-peer through private trades. In jurisdictions where exchanges are disallowed or where amounts traded will move the markets, traders will go through the OTC route.

Pair

Trade between one cryptocurrency and another, for example, the trading pair: BTC/ETH.

Paper Wallet

A physical document containing your private key or seed phrase.