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How to buy Grey Goo

How to buy Grey Goo

  • Non-custodial
  • Private keys are yours
  • +1M users
  • 4.9 on App Store

Buy Grey Goo quickly on your phone without an exchange or signup. Tangem is a free, non-custodial wallet for iOS and Android. Buy Grey Goo with Apple Pay, Google Pay, Venmo, PayPal, or cards

Download the app

How to buy Grey Goo right now

The fastest way to buy Grey Goo is directly inside the Tangem – no account, no waiting.

1

Download the Tangem app

From the App Store or Google Play. Free, no signup.

2

Create your Grey Goo wallet

You own the private keys. No one else can access them.

3
Buy Grey Goo

Buy Grey Goo instantly

Pay with Apple Pay, Google Pay, card or bank transfer.

Buy Grey Goo in Tangem app

Why buying Grey Goo in a self-custody wallet is safer

When you buy Grey Goo on an exchange, the exchange holds your funds. If the exchange is hacked, freezes withdrawals, or goes bankrupt, your Grey Goo is at risk. Tangem ensures that doesn't happen to you.

What you can do with Grey Goo in Tangem

Send Grey Goo to any wallet address

Move Grey Goo across Ethereum, Tron, BNB Chain and more — no KYC, no middlemen

Cold storage in your pocket. Tap to secure. Tap to spend.

Private keys never leave the card's secure chip — no exposure, no online risk

Swap Grey Goo for other assets directly in the app

Compare rates from DEXs and CEXs automatically — no external account needed

Earn with it by connecting to dApps and DeFi protocols

Access yield on Aave and other protocols without handing over your keys

Fees and limits when buying Grey Goo

Completely zero fees to hold or send Grey Goo in Tangem

0.5-1%

On-ramp fee

Charged by the payment provider. Shown clearly before you confirm.

Rates and minimums vary by provider and region, and are displayed clearly in-app before checkout

$0.10-0.25

Network fee

Paid to Grey Goo miners or validators to process your transaction

This varies with network congestion and is shown before you confirm

Limits depend on your region and the payment provider. Tangem works with multiple on-ramp partners so you can compare options before buying.

Buying Grey Goo with Tangem

Here we've answered some of the most common questions we received

  • No. Tangem lets you buy Grey Goo directly in the app using Apple Pay, Google Pay, and more payment options. You never need to create an exchange account or go through a separate verification process to get started.

  • No. Tangem is fully self-custodial. Your Grey Goo is stored on the secure chip inside your Tangem card, and only you hold the private keys. Tangem never has access to your funds.

  • Most purchases complete within a few minutes. Once the payment is approved by the provider, your Grey Goo is delivered straight to your Tangem Wallet.

  • Your Grey Goo is stored on your Tangem card, not on your phone. Simply install the Tangem app on your new device and tap your card to regain full access to your wallet.

  • Your Tangem Wallet already is cold storage. The private keys for your Grey Goo are generated and kept on the card's secure element and never leave it.

  • KYC requirements depend on the payment provider and the amount you're purchasing. For small purchases of Grey Goo, many providers allow you to buy without verification.

Daha fazla soru?

Tangem Support ile 7/24 sorularınıza saniyeler içinde yanıt bulun

İletişime Geçin

Çok miktarda Grey Goo mi tutuyorsunuz? Soğuk depolamaya geçin

The app already gives you a secure, non-custodial wallet most people never need to go beyond. If you hold a significant amount, pair a Tangem card and your keys move to an EAL6+ certified element managed from the same app.

Download the app Explore Tangem cards

  • The Tangem app gives you a secure, non-custodial wallet. If you are holding a significant amount of Grey Goo and want your keys offline and safe, Tangem wallets are built for that

  • Pair a card with the app, and your wallet migrates to a secure EAL6+ certified element. You manage everything through the Tangem app and your keys live on the hardware

  • Tangem is a Swiss-based company and has been building self-custody wallets since 2017. Our products have been independently audited, certified, and reviewed by security researchers and major crypto media

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