Encyclopedia

S

Secure Element

A tamper-resistant chip used to store cryptographic keys securely. 

Seed Phrase

A sequence of words (typically 12 or 24) that serves as the master password to...

Self-Custody

The practice of personally securing one's own cryptocurrency without relying on third parties. 

Self-Sovereign Identity

A concept where individuals control their own digital identity without reliance on centralized authorities. 

SHA-256

A cryptographic hash function producing a 256-bit output, used for secure data processing and address...

Shamir's Secret Sharing

A cryptographic algorithm that divides a secret into multiple parts, requiring a threshold number of...

SHIELD

Support Help, Incident, and Emergency Lifecycle Defense; XColdPro’s tiered premium support protocol.

Smart Contract

Self-executing code on a blockchain that automatically enforces agreement terms when predefined conditions are met. 

Solana

A high-performance blockchain designed for fast transactions and low fees. 

SSD

Solid State Drive, flash-based storage recommended for secure removable devices.

Supply Chain Attack

A cyber attack targeting vulnerabilities in a supply chain to compromise the end product.