CryptoBonusKing
Coinbase Referral Code «3KMZM83» June 2026
The Coinbase referral code is 3KMZM83. Sign up through the claim link to apply it automatically and unlock get £40 — the platform's advertised maximum. Listed June 2026.
At a glance
How to claim it
Open the signup page
Use the claim button — it opens Coinbase registration with the offer attached, pre-filling code 3KMZM83.
Complete KYC
Identity verification is required before trading and before welcome tasks unlock.
Complete the welcome tasks
"Get £40" is the advertised task-based maximum across deposit and volume milestones — check Coinbase's rewards hub to see which tasks are live in your region.
Frequently asked questions
What is the Coinbase referral code?
The code is 3KMZM83. Using the claim link on this page applies it automatically; entering it manually at signup works too.
Is the Coinbase bonus guaranteed?
No. "Get £40" is the platform's advertised maximum. Welcome offers are task- or volume-based, and availability varies by region — always check Coinbase's own terms.
Can I add a referral code later?
No — exchange referral fields only exist at registration. An account created without a code keeps default fees permanently.
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Independent — not operated by Coinbase
CryptoBonusKing is an independent publisher. 3KMZM83 is a referral code: when used, we earn a commission paid by Coinbase — it never reduces your bonus or discount. Bonus figures are the platform’s advertised maximums and can change; always confirm current terms on Coinbase’s own site.