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

Point addition which exceeds field

Let's say we set a secret key integer to be P itself and get the corresponding public point coordinates, X and Y.

Let's say we set another secret key integer to be 100 and also get the public point, X and Y

We can perform point addition on these points and get a resulting point, let's call it (X_res, Y_res). Working from this simple example, how can we get the integer value of the secret key that has (X_res, Y_res) as a public point?

For example, if we do a simpler point addition on the public points that correspond to the secret key integers of 5 and 3, we see that the resulting point is equal to the public point of the secret integer is 8. This agreement between integer space additions and X,Y coordinate point additions seems to not work when the secret key sum (in regular integer space) exceeds P.



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