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
Berkshire Hathaway xStock

Ethereum

Berkshire Hathaway xStock

BRKBXSUPPORTED

Secure Berkshire Hathaway xStock (BRKBX) with your KeepKey hardware wallet. Private keys are generated and stored offline, and every BRKBX 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

SymbolBRKBX
NetworkEthereum
Also onArbitrum, BNB Smart Chain, Solana
Decimals18

CAIP

eip155:1/erc20:0x12992613fdd35abe95dec5a4964331b1ee23b50d

Why KeepKey for Berkshire Hathaway 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 BRKBX directly from your hardware wallet without exposing your private keys.

On-device Signing

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

Secure your BRKBX

KeepKey Hardware Wallet

$59.95

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

Learn more
FREE SHIPPING·LIFETIME UPDATES·OPEN SOURCE
Berkshire Hathaway xStock (BRKBX) Wallet — KeepKey Hardware Wallet | KeepKey Hardware Wallet