A portable terminal refers to a compact, handheld electronic device capable of performing transactions or accessing digital services while mobile. These devices typically possess computing capabilities, a display, and connectivity features. In the digital asset space, this could include smartphones running crypto wallets or specialized hardware devices for secure payments. They enable users to interact with decentralized networks from various physical locations.
Context
The use of portable terminals for digital asset interactions is expanding, making cryptocurrencies and decentralized applications more accessible. Discussions often focus on enhancing the security of private keys and transaction signing on these devices, given their susceptibility to physical loss or software vulnerabilities. Future developments include improved hardware security modules within portable terminals and user-friendly interfaces that balance convenience with robust protection for digital assets.
Expander Signature decouples heavy key generation from verification, enabling resource-limited devices to achieve constant-size, efficient, and forward-secure authentication.
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