Open-source firmwareShips to anywhere11 native chains + all EVM tokensFree firmware updates for lifeSince 2014Fully auditable hardwareTHORChain swaps built-inOpen-source firmwareShips to anywhere11 native chains + all EVM tokensFree firmware updates for lifeSince 2014Fully auditable hardwareTHORChain swaps built-in
← SUPPORTED ASSETS
Mastercard xStock

Ethereum

Mastercard xStock

MAXSUPPORTED

Secure Mastercard xStock (MAX) with your KeepKey hardware wallet. Private keys are generated and stored offline, and every MAX transaction is verified on the device screen before it is signed.

Platform Support

KeepKey Hardware WalletYES
Vault Desktop AppYES
Built-in DEX swapsYES

Asset Information

SymbolMAX
NetworkEthereum
Also onBNB Smart Chain, Arbitrum, Solana
Decimals18

CAIP

eip155:1/erc20:0xb365cd2588065f522d379ad19e903304f6b622c6

Why KeepKey for Mastercard xStock

Cold storage done right.

Open Source

Firmware and software are publicly auditable on GitHub. No black boxes, no hidden code.

Built-in Swaps

Trade MAX directly from your hardware wallet without exposing your private keys.

On-device Signing

Every MAX transaction is verified on the device display before broadcast.

Secure your MAX

KeepKey Hardware Wallet

$59.95

Store, send, and receive Mastercard xStock from a device that never exposes your private key.

Learn more
FREE SHIPPING·LIFETIME UPDATES·OPEN SOURCE
Mastercard xStock (MAX) Wallet — KeepKey Hardware Wallet | KeepKey Hardware Wallet