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Glossary

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Rate Limiting

Rate limiting is controlling how many requests a client can make to a server or API to prevent DDoS and brute-force attacks and ensure fair use.

Rate Limiting for APIs

API rate limiting is controlling how many requests a client can make in a set time to protect resources, prevent abuse, and keep response times stable.

Real-time Data Processing

Real-time data processing is continuous event analysis, enabling low-latency actions for fraud detection and real-time market data processing.

Real time payments

Real-time payments are bank transfers settled in seconds, delivering immediate funds, better cash flow, and improved security for businesses.

Real-Time Price Feeds

Real-time price feeds refer to the continuous and instantaneous delivery of updated pricing information for various financial instruments, commodities, or assets.

Real-time settlement

Real-time settlement is the near-instant finalization of transfers, reducing counterparty risk and improving liquidity, with RTGS and central bank support.

Rebalancing

Rebalancing is adjusting a portfolio's asset mix to maintain target allocation and risk, using calendar or threshold methods, plus cost and tax factors.

Reconciliation

Crypto reconciliation is the process of matching blockchain transactions to internal records to confirm accuracy and resolve discrepancies.

Recurring Payments

Recurring payments are automatic charges at set intervals for subscriptions or utilities, enabling predictable cash flow and seamless customer billing.

Regenerative economy

A regenerative economy restores natural and social systems through circularity, resilience, and equity, regenerating resources and biodiversity.

Regens

Regens are regenerative practices that restore ecosystems, improve public health, and strengthen communities through sustainable, long-term systems.

Regtech

Regtech, short for regulatory technology refers to the use of technology to help businesses comply with regulatory requirements more efficiently and effectively.

Regulatory Compliance

Regulatory compliance is adherence to laws and standards; crypto regulatory compliance spans AML/KYC, securities, tax, and sanctions obligations.

Regulatory Requirements

Regulatory requirements are obligations mandated by regulatory bodies. This regulatory requirements overview covers data privacy, finance and healthcare.

Rehypothecation

Rehypothecation is when brokers reuse client collateral for their own trades, boosting liquidity but adding counterparty risk in margin accounts.

Replay Attack

Replay attack: a network threat where intercepted messages are resent to gain unauthorized access; prevent with nonces, timestamps, OTPs, and signatures.

Representational State Transfer (REST)

Representational State Transfer (REST), is an architectural style that defines a set of constraints and principles for building web services.

Request for Quote (RFQ)

A Request for Quote (RFQ) is a formal bid request to obtain vendor pricing for goods or services, supporting competitive bids and cost-efficient awards.

Reserve liquidity

Reserve liquidity is liquid assets institutions can quickly convert to cash to meet short-term obligations, backed by money funds and central bank tools.

Restaking

Restaking is the process of re-delegating staked assets to a different validator or staking pool to optimize rewards or adjust risk exposure.

REST API

A REST API (Representational State Transfer) is a stateless web service using HTTP methods to manage resources and return data as JSON or XML.

Restriction

Restriction: a limit or control on business activities or access imposed by regulation, affecting compliance, operations, trade, and market access.

Retargeting

Retargeting is serving ads to people who previously visited your site or engaged with your brand, re-engaging prospects and increasing conversions.

Risk-adjusted Slippage

Risk-adjusted slippage is the gap between expected and executed trade price, adjusted for market risk to reflect volatility and liquidity costs.

Risk Neutral: Definition, Meaning, and Use in Pricing

Risk neutral investors evaluate investments only by expected value, ignoring risk. Learn what risk neutrality means and how it's used to price derivatives.

Risk-weighted Liquidity

Risk-weighted liquidity evaluates liquidity by asset risk, linking RWAs, credit risk, and capital rules for depository institutions risk management.

Roadmap

Roadmap: a strategic plan for crypto projects outlining vision, milestones, and timelines to align teams, inform investors, and track progress.

Role-Based Access Control (RBAC)

Role-Based Access Control (RBAC) restricts system access by user roles, assigning permissions to roles to simplify management and improve security.

Rolling Reserve

Rolling reserve is a percentage of card sales withheld by a processor for a set period to cover chargebacks, affecting cash flow for high-risk merchants.

Roll-Over Fee: Meaning, Calculation, and How It Works

What a rollover fee means in forex and CFD trading, how it's calculated from interest rate differentials, when it's charged, and how to manage the cost.

Ruby (programming language)

The Ruby programming language is a dynamic, open-source language focused on simplicity and productivity, with object-oriented syntax and powering Rails.

Rug pull

A rug pull is a crypto scam where developers abandon a DeFi project and drain its liquidity pool, leaving investors with worthless tokens.

Ryuk Ransomware

Ryuk Ransomware is a type of malicious software designed to encrypt files on a victim's system, demanding a ransom payment in cryptocurrency for the decryption key.

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