Glossary · Crypto Exchanges
Crypto Exchanges Glossary
Definitions for crypto-exchange terminology — KYC tiers, money-transmitter licensing, the two-event tax rule that surprises most first-time crypto bonus claimants, and the differences between regulated US exchanges and offshore venues.
- BitLicense (New York)
-
A virtual-currency business license issued by the New York Department of Financial Services (NYDFS). Required to operate a crypto exchange or custodian serving New York residents.
Why it matters: NY residents can only legally use BitLicense-holding exchanges (Coinbase, Gemini, Bitstamp, Robinhood Crypto, others). Exchanges without a BitLicense restrict NY access.
- Cash equivalent
-
A legal classification used to distinguish crypto purchases for spending (cash-equivalent) from purchases for investment (capital asset). Cash-equivalent purchases are sometimes excluded from credit-card rewards (cf. Anikeev).
Why it matters: Some credit cards exclude crypto purchases from rewards earning because the issuer treats them as cash equivalents. Verify before assuming the SUB-qualifying spend will count.
Example: BB editorial flags cash-equivalent treatment when discussing credit-card-funded crypto on-ramps.
- Cold storage
-
Storage of cryptocurrency private keys on hardware disconnected from the internet (hardware wallets, paper wallets, or institutional cold-vaults). Cold storage is the standard self-custody approach for long-term holdings.
Why it matters: Crypto held on exchanges is custodied by the exchange and exposed to exchange failure (FTX, Celsius, BlockFi). Cold storage eliminates exchange-failure risk at the cost of custody complexity.
- Custody (hot vs. cold)
-
Hot custody = keys held on internet-connected systems (exchange hot wallets, mobile wallets). Cold custody = keys held offline. Exchanges typically keep ~5% of assets in hot wallets for liquidity and ~95% in cold storage; ratios vary by exchange.
Why it matters: Exchange custody concentration risk is the single largest non-market loss factor in crypto. Check published custody practices and audit reports.
Example: Gemini publishes regular custody audits as part of its trust-and-safety disclosure.
- KYC tier
-
A stratified identity-verification level offered by crypto exchanges. Tier 0 (email only) usually allows browsing but no trading; Tier 1 (ID + selfie) unlocks deposits, trading, and withdrawals; Tier 2 (proof of address, source of funds) raises withdrawal limits and unlocks bonus payouts.
Why it matters: Most crypto bonuses require Tier 1 or Tier 2 verification before payout. Tier 0 sign-up bonuses are usually not redeemable until verification is completed.
- Maker-taker fee
-
A two-sided exchange fee structure: market-makers (limit orders that add liquidity) pay lower fees than market-takers (market orders that remove liquidity). Most modern exchanges use a maker-taker model, often with volume-tier discounts.
Why it matters: A crypto exchange "trading bonus" may require generating volume; understanding the fee structure tells you whether the bonus exceeds the fee drag.
Example: Gemini, Coinbase Advanced, Kraken Pro, and most BB-tracked crypto exchanges use maker-taker pricing.
- Money transmitter license (federal layer)
-
Crypto exchanges register with FinCEN as money services businesses (MSBs) and comply with Bank Secrecy Act recordkeeping, plus state MTL requirements. Together these form the US regulatory perimeter for centralized exchanges.
Why it matters: An exchange operating without FinCEN MSB registration is unlicensed in the US and unsafe for US users. Verify FinCEN MSB registration as a baseline trust check.
Example: BB crypto reviews confirm FinCEN MSB registration alongside state MTL availability.
- NMLS / Money transmitter license
-
State-level money-services-business licensing administered through the Nationwide Multistate Licensing System. Most US crypto exchanges hold money-transmitter licenses in 40–50 states; the unlicensed states block access.
Why it matters: Crypto exchange state availability is determined by money-transmitter licensing, not by federal rule. A state that looks crypto-friendly may still block specific exchanges that have not been licensed there.
- On-ramp vs. off-ramp
-
On-ramp = converting fiat (USD) to crypto. Off-ramp = converting crypto back to fiat. Most exchanges support both, but withdrawal limits, processing times, and supported payment rails (ACH, wire, debit card) differ between on-ramp and off-ramp.
Why it matters: An exchange with great on-ramp UX but slow or expensive off-ramp can lock you out of recovering the bonus value. Check both sides before claiming.
- Self-custody
-
Holding crypto in a wallet whose private keys are controlled exclusively by the holder (hardware wallet, software wallet, paper wallet). Exchange-custodied crypto is not self-custody.
Why it matters: Self-custody eliminates exchange-failure risk but adds key-management responsibility. Loss of private keys means permanent loss of funds with no recovery path.
- Spread
-
The difference between an exchange's quoted buy and sell prices. Spread is effectively a hidden fee; user-facing dashboards may show "$0 fees" while embedding a 1–2% spread on simple-buy products.
Why it matters: A "free" crypto bonus on a high-spread venue is worth less than face value once the off-ramp spread is paid. Use spot/advanced trading where possible to reduce spread.
- Stablecoin
-
A cryptocurrency designed to maintain a 1:1 peg to a fiat currency, usually USD. Major stablecoins include USDC (Circle), USDT (Tether), and DAI (decentralized). Stablecoins are the most common on-ramp/off-ramp instrument and frequently appear in crypto bonus structures.
Why it matters: Stablecoin bonuses are dollar-denominated and have less volatility risk than Bitcoin or altcoin bonuses, but carry stablecoin-specific risks (issuer solvency, regulatory action, peg breaks).
- Staking
-
Locking proof-of-stake crypto (Ethereum, Solana, Cardano, others) with a validator to earn rewards. Exchanges often offer one-click staking with custodial mechanics, taking a cut of the validator yield.
Why it matters: Some exchange bonuses are paid as staking-yield boosts rather than as cash credits. Verify the underlying asset risk and lock-up window before claiming.
Example: Coinbase, Gemini, and Kraken offer staking on multiple proof-of-stake assets; bonus structures vary.
- Two-event tax rule
-
The IRS treatment of a crypto bonus: receipt is a taxable event (ordinary income at fair market value at receipt), and subsequent sale is a second taxable event (capital gain or loss against the receipt-day basis). Two events, two tax line items per bonus.
Why it matters: A "free $50 in Bitcoin" bonus generates two tax filings. The first-year tax bill on a series of small crypto bonuses can be a meaningful fraction of the bonus value at high tax brackets.
- Withdrawal limits
-
The maximum amount of crypto or fiat that can be withdrawn from an exchange in a given window (daily, weekly, monthly). Limits scale with KYC tier and account age.
Why it matters: A bonus you cannot withdraw is a bonus locked at the exchange. Confirm withdrawal limits and any 7-day post-deposit hold rules before claiming.