Coinbase
Coinbase says both people can earn $5 in BTC after the new user buys crypto, and it remains the cleanest first-click exchange on Nummix for simple onboarding and a straightforward first buy.
Use this page when the visitor wants the best current options in one place before moving into a narrower beginner, trader, investing, rewards, or security route.
Coinbase says both people can earn $5 in BTC after the new user buys crypto, and it remains the cleanest first-click exchange on Nummix for simple onboarding and a straightforward first buy.
River says it is a bitcoin-only brokerage, publishes monthly Proof of Reserves, keeps client bitcoin deposits in cold storage, and pays up to $100 in bitcoin across staged referral buy thresholds.
Kraken says current live app referrals can pay $75 each in eligible regions, and it leans into Security Shield, advanced 2FA, and Master Key protections for trader-intent readers.
Fold is the spend-first bitcoin route. Its referral support page says qualifying referrals unlock $20 in bitcoin, 100 spins, and ongoing Spin Squad sats once the referral qualifies.