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
Classic USD

Polygon

Classic USD

USCSUPPORTED

Secure Classic USD (USC) with your KeepKey hardware wallet. Private keys are generated and stored offline, and every USC 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

SymbolUSC
NetworkPolygon
Decimals6

CAIP

eip155:137/erc20:0x131409b31bf446737dd04353d43dacada544b6fa

Why KeepKey for Classic USD

Cold storage done right.

Open Source

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

Built-in Swaps

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

On-device Signing

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

Secure your USC

KeepKey Hardware Wallet

$59.95

Store, send, and receive Classic USD from a device that never exposes your private key.

Learn more
FREE SHIPPING·LIFETIME UPDATES·OPEN SOURCE
Classic USD (USC) Wallet — KeepKey Hardware Wallet | KeepKey Hardware Wallet