Crypto Trading
& Exchange Reviews

CEX vs. DEX — Centralized vs. Decentralized Exchanges

The two main types of crypto trading venues work fundamentally differently:

• CEX (Centralized Exchange): Binance, Coinbase, Bybit, MEXC, Kraken. Company-operated, holds your funds in custody, requires KYC (identity verification), uses a central order book. Generally faster, deeper liquidity, and more user-friendly.
• DEX (Decentralized Exchange): Uniswap, Curve, dYdX. Smart-contract operated, non-custodial (you keep your keys), no KYC for most. Uses automated market makers (AMMs) instead of an order book. Higher slippage on large trades; exposed to smart contract risk.
• Hybrid approach: Most active traders use a CEX for liquid spot and futures trading, and a DEX for accessing newer tokens, yield farming, and situations where self-custody is preferred.

Spot vs. Futures vs. Perpetuals in Crypto

Crypto exchanges offer multiple trading instruments with very different risk profiles:

• Spot trading: Buy or sell actual cryptocurrency for immediate settlement. You own the asset. No leverage, no expiry, no liquidation risk from funding.
• Futures (dated): Contracts to buy/sell at a future date and price. Available with leverage. Used for hedging or speculative directional exposure.
• Perpetual swaps: Futures contracts with no expiry date. The most actively traded crypto derivatives. Price is anchored to spot via a funding rate paid between long and short holders every 8 hours. Leverage up to 100× on some exchanges.
• Funding rate: Positive funding (longs pay shorts) when perpetual price > spot — indicates bullish positioning. Negative funding (shorts pay longs) indicates bearish crowding. Extreme funding rates are a contrarian signal.

How Cryptocurrency Is Taxed (US)

The IRS classifies cryptocurrency as property, not currency. Every taxable event requires calculating gain or loss:

• Taxable events: Selling crypto for USD, trading one crypto for another, spending crypto on goods/services, receiving crypto as payment
• Non-taxable events: Buying crypto with USD, transferring between your own wallets, gifting (up to annual exclusion limit)
• Short-term gains (held <12 months): taxed at ordinary income rates (10–37%)
• Long-term gains (held >12 months): taxed at 0%, 15%, or 20% depending on income
• Staking/mining rewards: Taxed as ordinary income at fair market value when received; the cost basis for future capital gains calculations

Bitcoin Halving — Supply Mechanics and Market History

Bitcoin's protocol hard-codes a supply schedule: new BTC is issued as a block reward to miners, and this reward halves every 210,000 blocks (~4 years). The most recent halving was April 2024:

• 2012: 50 → 25 BTC per block
• 2016: 25 → 12.5 BTC per block
• 2020: 12.5 → 6.25 BTC per block
• 2024: 6.25 → 3.125 BTC per block (current)
• Final halving: ~2140, when all 21 million BTC will have been mined

Each halving reduces annualized new supply issuance. In 2024, daily new issuance dropped from ~900 to ~450 BTC. Historically each halving cycle has been followed by significant price appreciation — but past cycles do not guarantee future results.

Exchange Security — Proof of Reserves and Self-Custody

After the FTX collapse in November 2022 — in which the exchange used customer deposits to fund proprietary trading at Alameda Research — exchange transparency became a top priority:

• Proof of Reserves (PoR): Cryptographic audit proving an exchange holds assets ≥ customer liabilities. Uses Merkle trees so individual users can verify their balance is included. Binance, Bybit, Kraken, and OKX publish regular PoR reports.
• Cold storage ratio: Percentage of exchange assets held in offline cold wallets (vs. hot wallets). Higher cold storage ratio reduces hack exposure.
• Self-custody: Hardware wallets (Ledger, Trezor) let you hold your own private keys — eliminating exchange counterparty risk entirely. "Not your keys, not your coins."

On-Chain Metrics — Reading Bitcoin Market Structure

Unlike traditional markets, Bitcoin's blockchain is publicly readable. On-chain data provides signals unavailable in equities:

• MVRV Z-Score: Market Value to Realized Value ratio, normalized. High MVRV historically coincides with market tops; low MVRV with bottoms.
• Exchange flows: Large BTC inflows to exchanges often precede selling; outflows to cold storage suggest accumulation.
• Long-term holder supply: Percentage of BTC unmoved for 155+ days. LTH supply near all-time highs suggests conviction among holders.
• Funding rates: Persistently high positive funding on perpetual swaps signals overleveraged longs — historically a bearish short-term signal.
• Open interest: Rising price with rising open interest = new money entering the trend (bullish). Rising price with falling OI = short covering (less conviction).

Altcoins — Risk Profile vs. Bitcoin and Ethereum

Bitcoin (BTC) and Ethereum (ETH) account for roughly 60–65% of total crypto market capitalization. Altcoins — every other cryptocurrency — carry substantially higher risk:

• Liquidity risk: Small-cap altcoins have thin order books; large sells cause significant slippage and can be difficult to exit quickly
• Correlation: Most altcoins are highly correlated with BTC during risk-off events — they tend to fall harder and faster than BTC in market downturns
• Fundamental risk: Many altcoins have no clear utility, revenue, or defensible competitive moat; tokens may go to zero
• BTC beta: Altcoins typically exhibit higher beta to BTC — amplifying both upside and downside moves relative to Bitcoin

Choosing a Crypto Exchange — What to Evaluate

Key criteria for selecting a crypto exchange:

• Regulatory status: Is the exchange licensed in your jurisdiction? US traders face the most restrictions; Coinbase and Kraken are the most regulated US-compliant options.
• Proof of Reserves: Does the exchange publish regular PoR audits? Look for Merkle tree-based proofs, not just attestation letters.
• Liquidity: Check 24h volume and order book depth for the specific pairs you plan to trade — not just headline volume figures, which can be wash-traded.
• Fee structure: Maker/taker fees, withdrawal fees, and funding rates for perpetual swaps all compound over active trading.
• Supported instruments: Spot only vs. spot + futures + options + earn products. Match the exchange to your strategy.