Available in the USA
Coinbase — coinbase.com. Public company, the default US retail venue.
Crypto.com — crypto.com. App plus exchange.
Kraken — kraken.com. Fiat rails and a long security record.
Bitstamp — bitstamp.net. Oldest major EU exchange, now Robinhood-owned.
Gemini — gemini.com. New York trust company, thinner books than Coinbase or Kraken.
Robinhood – robinhood.com good choice if you are a beginner looking for a simple, low-cost way to trade major coins
Fidelity – fidelity.com Not much of a exchange but more of a retirement account for crypto.
Available Overseas
Binance — binance.com. Deepest books. US persons are blocked; the US entity is binance.us.
Bybit — bybit.com. Spot plus a large derivatives book.
OKX — okx.com. Unified trading account, strong futures.
Bitget — bitget.com. Copy trading and futures.
Gate — gate.io. One of the widest altcoin catalogs.
KuCoin — kucoin.com. Broad listings, mid-tier liquidity.
MEXC — mexc.com. Early listings.
HTX — htx.com. (formerly Huobi)
Upbit — upbit.com. South Korea’s largest.
BingX — bingx.com. Copy trading.
WhiteBIT — whitebit.com. European volume.
Bitfinex — bitfinex.com. Pro order books.
LBank — lbank.com. Alt listings.
BitMart — bitmart.com. Alt listings.
Bithumb — bithumb.com. South Korea.