Insights on Crypto Payments, Infrastructure, and Operations

Glossary terms starting with R

Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.

Reorganization Risk

Reorganization risk is exposure to changed transaction history when a distributed ledger replaces one accepted branch with another. Decision-makers use Reorganization Risk…

Replace-by-Fee (RBF)

Replace-by-Fee is a Bitcoin transaction replacement mechanism in which an unconfirmed transaction can be superseded by a conflicting transaction that pays a…

Replacement-Cost Risk

Replacement-cost risk is the possibility that replacing a failed transaction, asset, service, or position costs more than the original arrangement. Replacement-Cost Risk…

Replay Attack

Replay Attack is an attack or weakness pattern that resubmits a previously valid message or transaction so a system performs an authorized…

Replicated Security

Replicated security uses multiple independent system instances or participants to preserve security properties despite individual faults or compromise. Replicated security distributes validation,…

Report on Compliance (ROC)

Report on Compliance (ROC) is a compliance or privacy requirement that documents a formal PCI DSS assessment, the assessed environment, evidence, testing,…

Reputation Risk

Reputation risk is the possibility that lost trust or negative perception reduces customers, partnerships, market access, or organizational value. Reputation Risk must…

Request Deduplication

Request Deduplication identifies repeated requests and prevents or suppresses repeated processing according to a defined operation identity. It may use idempotency keys,…

Request Schema

A Request Schema defines the permitted structure, data types, formats, required fields, constraints, and nested objects of an API request. It can…

Request Signature

Request Signature is a cryptographic signature that covers selected components of an HTTP or API request so the receiver can verify integrity,…

Request Signing

Request signing uses a cryptographic key to create a verifiable signature over selected request data so a server can authenticate integrity and…

Request Timeout

A Request Timeout is the maximum time a client, proxy, server, or dependency waits for a request stage to complete before treating…

Requested Payment Currency

Requested Payment Currency is the fiat currency, coin, token, or unit in which the merchant expresses the amount due in the payment…

Required Block Confirmations

Required block confirmations is the configured number of accepted blocks a transaction must have before a provider or application treats it as…

Reserve Account

A reserve account holds assets set aside to cover identified obligations, losses, liquidity needs, settlement exposure, or regulatory and contractual requirements. Reserve…

Reserve Asset

A reserve asset is an asset held to support liquidity, backing, risk absorption, settlement, or confidence in an institution or financial product.…

Reserve Audit

A reserve audit examines whether reported reserves exist, are controlled, properly valued, and support specified liabilities or obligations. Reliable results for Reserve…

Reserve Custodian

A reserve custodian is the institution or controlled arrangement responsible for safeguarding assets designated as reserves and evidencing their availability. Reliable operation…

Reserve Order

Reserve Order is an order that displays only part of its total quantity while retaining additional undisplayed quantity that can replenish the…

Reserve Policy

Reserve Policy is the documented framework governing the purpose, composition, liquidity, custody, limits, use, and oversight of financial reserves. It sets governance…

Reserve Rights (RSR)

Reserve Rights is the governance and utility token of the Reserve Protocol, used in the current protocol architecture for governance and for…

Reserve-Backed Token

A reserve-backed token is a digital token supported by assets held in reserve to fund redemption, maintain value, or satisfy the issuer’s…

Reservoir Stablecoin (rUSD)

Reservoir Stablecoin is the rUSD dollar-denominated ERC-20 stablecoin issued by the Reservoir protocol and backed through the protocol’s balance sheet of digital…

Residual Risk

Residual risk is the risk remaining after selected controls, mitigations, transfers, or other treatments have been applied and evaluated. Residual Risk must…