Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &

Tangem Wallet Pack of 2 - Secure Crypto Wallet - Trusted Cold Storage for Bitcoin, Ethereum, NFT's &
Key item features Ultimate Security: Generates a private key that remains on the card, safeguarding crypto and NFTs from hackers with EAL6+ certification and audited firmware. Versatile Compatibility: Manages over 13,000 tokens across 70+ blockchains, supporting DeFi, NFTs, and DeEx without wires, Bluetooth, or USB. Effortless Operation: Utilizes NFC for secure transactions via a mobile device and the Tangem app, enabling buying and selling crypto with various payment methods. Smart Backup: Features a second Tangem Wallet as a backup, eliminating the need for paper, pictures, or seed phrases for recovery. Durable Design: Boasts IP68 protection against environmental conditions, ensuring longevity and robust physical security. Comprehensive Support: Compatible with Bitcoin, Ethereum, Solana, XRP, USDT, and over 6,000 cryptocurrencies, integrating with dApps and WalletConnect.

LBANK

LBANK

If "bitcoin is a virtual currency" as they say, why don't some people consider a pendrive as a "physical-virtual currency"?

A genuine question, if "bitcoin is a virtual currency" as they say, why don't some people consider a "pendrive" (a physical device that stores public-private keys to manage coins on a blockchain) as a "physical-virtual currency"?

For example, suppose Bob gives Alice a pendrive that contains 1 bitcoin. Alice exchanges his favorite programming book called: "Javascript" for 1 bitcoin contained on the pendrive.

how?

Alice(book) -> Bob (pendrive)
Bob(pendrive) -> Alice (book)

would this be considered a valid transaction (pendrive -> book) even though it is not on the blockchain? In this hypothetical scenario, was there a valid transaction even though nothing was done directly on the blockchain?



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