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

Can two points of different elliptic curves can be added?

I read about elliptic curves.Extended elliptic curves,binary elliptic curves.Words like isomorphism, irreducible,Weierstrass Equations come.But i could not understand or my understanding is not high enough to understand a simple thing: Can two points of different elliptic curves can be added? If is yes,my next question is this: We have elliptic curve used by bitcoin protocol.Can be made an almost indentical elliptic curve with a small change like a different modulus,order and from that a different generator and as bring a different value for P(G x k = P)?Can a Px,Py(k = 3) of bitcoin elliptic curve plus Qx,Qy(k =4) of almost indentical curve equal Px,Py or Qx,Qy (k = 7)? If not can be any other derivation that can make the addition between two elliptic curves made possible that one of the curve is bitcoin elliptic curve? If yes,can you help me to find that addition work and verify that work?Thank you.



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