Oasis Network (ROSE)
Oasis Network is a proof-of-stake Layer 1 separating consensus from parallel ParaTime runtimes, with ROSE used for fees, staking, and delegation. Sapphire…
Glossary terms starting with O
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OAuth 2.0
OAuth 2.0 is an authorization framework that lets a client obtain limited access to an HTTP service without receiving the resource owner’s…
OAuth Token Exchange
OAuth Token Exchange is an OAuth protocol for requesting a new security token based on another token, including delegation and impersonation scenarios.…
Object Account
An object account is an account-like on-chain container used to own and group resources associated with a programmable object. The term is…
Observer Node
An observer node is a blockchain node that follows, verifies, relays, or exposes network data without proposing blocks or casting consensus votes.…
Off-Chain
Off-chain describes data, computation, communication, or transactions handled outside a blockchain's directly recorded, consensus-validated state and execution environment. Security depends on how…
Off-Chain Custodial Balance
An Off-Chain Custodial Balance is the amount of a digital asset that a custodian records for a customer in its internal books…
Off-Chain Governance
Off-chain governance is a process for discussing, coordinating, and deciding changes to a blockchain without recording the decision itself as an executable…
Off-Chain Liquidity
Off-Chain Liquidity is liquidity that can be used or transferred without recording every state change as a separate transaction on the underlying…
Off-Chain Payment
An offchain payment transfers value through channels, internal balances, or signed state updates without immediately publishing the payment as a blockchain transaction.…
Off-Chain Settlement
Off-chain settlement is the discharge or recording of a financial obligation outside a base blockchain’s canonical ledger. It may occur on a…
Off-Chain Swap
An off-chain swap exchanges assets through signed updates, internal ledgers, channels, or coordinated settlement without recording every trading step on-chain. Trust varies…
Off-Chain Transaction
An off-chain transaction is a transfer, update, or agreement processed outside a blockchain’s normal block-by-block execution. The parties or an intermediary may…
Offchain Reporting (OCR)
Offchain Reporting is Chainlink's protocol family for aggregating oracle-node observations off-chain and submitting one quorum-signed report for on-chain verification. One node transmits…
Offline Signing
Offline Signing is the creation of a cryptographic signature on a device or environment that is not connected to the network used…
Offline Transaction
An offline transaction is a blockchain transaction that is constructed and usually signed on a device or environment without direct network access.…
Offshore Yuan Stablecoin
An offshore yuan stablecoin is a digital token designed to track the offshore Chinese yuan, commonly referenced as CNH, rather than onshore…
Ommer Block
An ommer block is a valid proof-of-work Ethereum block from a noncanonical branch that was referenced and partially rewarded by a canonical…
Omnibus Account
Omnibus Account is a pooled account in which assets or transactions for multiple underlying customers or beneficiaries are held and recorded under…
Omnibus Custody
Omnibus custody is a custody arrangement that holds assets for multiple clients in pooled accounts while tracking each client's entitlement internally. Operations…
Omnibus Wallet
An omnibus wallet is a blockchain wallet that pools assets or transaction activity for multiple customers, accounts, or business purposes under shared…
Omnichain Fungible Token
An Omnichain Fungible Token is a cross-chain fungible-token design that maintains coordinated supply and transfer behavior across several blockchains through a messaging…
Omnichain Stablecoin
An omnichain stablecoin is a stablecoin implemented as a coordinated token system across multiple blockchains, typically using cross-chain messaging to move supply…
Omnichain Token
An omnichain token is a digital asset designed to exist and move across multiple blockchains under one coordinated identity or supply model.…