A2A Payments
A2A payments are direct account-to-account transfers that bypass card networks, enabling lower-cost, often instant bank payments for consumers and firms.
A2A payments are direct account-to-account transfers that bypass card networks, enabling lower-cost, often instant bank payments for consumers and firms.
Abenomics is Japan’s economic program under Shinzo Abe, built on monetary easing, fiscal stimulus, and structural reforms to revive growth.
Abnormal return is actual minus expected return for an asset, with expectations set by models like CAPM; also measured cumulatively (CAR) in event studies.
Absolute Return refers to the total return on an investment, measuring the gain or loss from the initial investment, regardless of market conditions.
Account abstraction is an Ethereum design that moves account logic into smart contracts, enabling wallets with social recovery, sponsored fees, ERC-4337.
Accounting method: the rules a business uses to record income and expenses, from cash to accrual, shaping financial statements, taxes, and cash flow.
Accredited investors are individuals or entities meeting income or net worth thresholds, qualifying them to invest in private securities offerings.
Accrual accounting records revenues and expenses when earned or incurred, not when cash changes hands, supporting GAAP-compliant financial reporting.
Accrue means to accumulate or grow over time, often applied to interest, benefits, or obligations; examples include accrued interest and vacation time.
Accrued income is revenue earned but not yet received, recorded as a current asset under accrual accounting, with journal entries and key differences.
Accrued interest is interest earned or owed since the last payment, calculated daily and recorded under accrual accounting for loans, bonds, and savings.
Accrued liabilities are expenses incurred but unpaid at period end, recorded as current liabilities to match costs with revenues in accrual accounting.
Accrued revenue is income earned but not yet received, recorded as a current asset with journal entries, examples and how it differs from deferred revenue.
The accumulation phase is the period in which an individual or entity builds up assets and investments, typically for long-term financial goals such as retirement.
Acid Test Ratio (Quick Ratio): a liquidity metric showing if liquid assets can cover current liabilities without relying on inventory.
Acquiring bank: the merchant’s bank that processes card payments—handling authorization, settlement, and funding, plus PCI DSS compliance and fees.
An acquisition premium is the additional cost paid by a buyer over the market value of a target company during a merger or acquisition.
Active balance is the proactive management of assets, liabilities, cash flow, and investments to maintain liquidity, reduce risk, and drive growth.
Active management involves a hands-on approach where portfolio managers make specific investments with the goal of outperforming an investment benchmark index.
An activist investor is a shareholder who buys a significant stake to influence management and strategy, pushing changes to improve governance and value.
Adam Back is a British cryptographer and cypherpunk known for inventing Hashcash, a proof-of-work system used in Bitcoin mining.
Administrative expenses are indirect costs for running a business—salaries, rent, utilities—recorded as operating expenses on the income statement.
Adoption curve: a model of how innovations spread across five groups, from innovators to laggards in the technology adoption lifecycle.
Agency problem: a fundamental issue in corporate finance arising when agents do not act in principals best interests.
Agency theory is the study of the principal-agent relationship, focusing on incentives, information asymmetry, agency costs, and corporate governance.
Aggregate demand is total demand for goods and services at a given price level, driven by consumption, investment, government spending, and net exports.
Aggregated liquidity is liquidity pooled from multiple sources to deepen markets, cut slippage, and improve pricing and execution for large trades
Aggressive investment strategy: a high-risk, equity-heavy, targeting growth via small caps and alternatives; suited to long horizons and high tolerance.
AI coins are crypto tokens that pay for and access AI services, support trading algorithms, and power decentralized AI marketplaces on blockchain.
An airdrop is the free distribution of crypto tokens to wallet addresses, used to promote projects, reward holders, and drive adoption in blockchain.
Air gap: a cybersecurity measure that physically isolates systems from unsecured networks to block remote attacks and protect critical infrastructure.
Alan Greenspan is an American economist and Federal Reserve Chair from 1987 to 2006, who steered U.S. monetary policy and was linked to the housing bubble.
Algorithmic arbitrage is an automated strategy that exploits price discrepancies across markets, outlining key types, mechanics, risks, and market impact.
Algorithmic execution is the automated placement of large orders, using VWAP/TWAP to cut market impact, costs, and implementation shortfall.
Algorithmic orders are automated trade instructions using real-time data to time and price executions while reducing costs and market impact.
Algotraders automate trading via computer algorithms, using TWAP, VWAP, and market making to execute orders efficiently while minimizing market impact.
Allocation is the strategic distribution of crypto assets to diversify risk and balance returns in a portfolio, also known as crypto asset allocation.
Alpha version: an early, not feature-complete software release for limited testers to find bugs and provide feedback before a more stable beta.
Altcoin Trader is a cryptocurrency trading platform that allows users to buy, sell, and trade various altcoins and digital assets.
Alternative investments are assets beyond stocks, bonds, and cash, offering diversification and potential higher returns but higher risk and illiquidity.
Alternative payment methods (APMs) are non-cash, non-card ways to pay, including digital wallets, mobile payments, bank transfers, and buy now, pay later.
Amalgamation is the merging of two or more entities into one, common in business, government, schools, and cultures to create efficiency and scale.
Amazon Resource Name (ARN) is the unique AWS identifier for resources, enabling precise IAM permissions across services, regions, and accounts.
AML compliance is adherence to laws and controls that prevent money laundering through due diligence, monitoring, reporting, and recordkeeping.
Anarcho-capitalism is a philosophy advocating a stateless society where private property, free markets, and voluntary contracts replace government.
Anchoring and adjustment heuristic: a cognitive bias where an initial value anchors judgments; includes negotiation examples and reduction strategies.
The annualized rate of return is the geometric average amount of money earned by an investment each year over a given time period.
Annual percentage yield (APY) is the real annual return on a deposit, factoring in compound interest, used to compare savings accounts and APY vs APR.
An annual report is a comprehensive document that provides a detailed overview of a company's financial performance and operations over the past year.
Antpool is a major Bitcoin mining pool operated by Bitmain Technologies, providing mining services and tools for cryptocurrency miners.
Apeing in crypto is buying new tokens without due diligence, driven by FOMO; risks include volatility and loss, and research and diversification help.
API request: a client call to a server endpoint using HTTP methods like GET or POST, with headers, params, and optional body to retrieve or send data.
API response is the data a server returns to a request, including HTTP status codes, headers, and a JSON or XML body that conveys results or errors.
API throttling limits how many API requests a client can make per time period to ensure fair usage, prevent server overload, and maintain performance.
Arbitrageur definition: a trader who profits from price differences via simultaneous buy-sell across markets, helping align prices and boost efficiency.
Aroon Indicator: a trend-following tool using Aroon Up and Aroon Down to measure time since highs and lows, gauge trend strength, and flag reversals.
Ascending channel pattern: an upward-sloping price channel formed by parallel support and resistance lines, used to time buys, sells, and breakouts.
Asset based lending is financing secured by assets like receivables, inventory, equipment, or real estate, improving cash flow and borrowing capacity.
An asset class is a group of investments with similar risk and return traits, such as stocks, bonds, cash equivalents, and alternative assets.
Asset financing is funding secured by business assets, used to smooth cash flow or acquire equipment through finance leases, hire purchase, or refinancing.
Asset rehypothecation is when brokers reuse client collateral to secure their own funding, covering mechanics, prime brokerage, risks, and regulation.
Asset swap: agreement to exchange cash flows or assets, from fixed-to-floating bonds to crypto swaps, used to hedge interest-rate risk and volatility.
Asymmetric encryption is public key cryptography that uses a public key to encrypt and a private key to decrypt, enabling secure exchange and signatures.
Atomic swap: a smart contract for cross-chain crypto exchange that enables peer-to-peer trading, using hashes and timelocks to ensure all-or-nothing.
Audit trail logging records chronological system events and user actions to ensure data integrity, detect security incidents, and support compliance.
Authentication verifies user identity; authorization determines access rights. Understand authentication vs authorization, MFA, RBAC, and access control.
Automated collateral management is the use of systems to value, allocate, and monitor collateral in real time to cut risk, costs, and ensure compliance.
Automated Market Maker (AMM): a DEX protocol that prices assets via algorithms and smart-contract liquidity pools, enabling on-chain trades and LP fees.
Automated rebalancing is a financial management process that uses technology to automatically adjust the allocation of assets in an investment portfolio.
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