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NFT (Non‑Fungible Token) is a type of digital asset built on a blockchain that represents ownership of a unique item or piece of content. **Key characteristics** | Feature | Explanation | |---------|-------------| | **Non‑fungible** | Unlike Bitcoin or ETH, each NFT has a distinct identifier and cannot be exchanged one‑for‑one with another token. | | **Indivisible** | NFTs are usually not split into smaller units; you own the whole token or none of it. | | **On‑chain proof of ownership** | T

A **hot wallet** is a cryptocurrency wallet that is connected to the internet. Because it’s online, it’s convenient for everyday use—sending, receiving, and trading assets quickly. However, the constant internet connection also makes it more vulnerable to hacking, phishing, and malware attacks. Examples include mobile apps, web‑based exchanges, and desktop software wallets. A **cold wallet** (or cold storage) is a wallet that is kept offline, completely disconnected from the internet. This isol