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Blockchain & Crypto Glossary

An operating system (OS) is a computer system's software that is responsible for fulfilling various tasks that allow the device to operate. An OS is responsible for managing computer..

What is Opera Mainnet (Fantom)?

Opera is the Asynchronous Byzantine Fault Tolerant (aBFT)-powered mainnet that makes use of the Fantom Lachesis protocol. Opera is a permissionless and open-source development framework..

What is OpenSea?

OpenSea is a popular peer-to-peer marketplace for buying, selling, and auctioning digital non-fungible tokens (NFTs). OpenSea, like many of its competitors, allows users to buy, sell, and..

What is Open Source?

Open source refers to the public availability of computer software source code under a license that the copyright holder grants users the right to use, analyze, modify, and distribute..

What is Open Representative Voting (Nano)?

Open Representative Voting (ORV) is the consensus mechanism of the Nano network. Nano users elect representatives by delegating the balance of their accounts to the representative of their..

What is Open Finance?

Open finance refers to the integration of bank and third-party blockchain-based technological applications that are designed to transform the traditional finance sector. Open finance aims..

What is Open?

The open, or opening price, is one of four main data points used for day trading on the stock market. The other three are called low, high, and close — and all four are collectively known as..

What is Opcode?

Opcode is short for operation code and refers to low-level human readable programming instructions. On Ethereum, opcode refers to the 140 unique commands that can be executed by the Ethereum..

What is Ontorand Consensus Engine (Ontology)?

The Ontology blockchain protocol makes use of the Ontorand Consensus Engine (OCE) consensus mechanism. OCE is an upgraded version of the Delegated Byzantine Fault Tolerance (dBFT) consensus..

What is Ontology Trust Anchor?

A Trust Anchor is a qualified third-party trustor which provides authentication services on the Ontology blockchain via a three-tiered mechanism that includes: (1) "verifiers" that verify..

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