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

Does the valid chain depend on the accumulated difficulty or the longest chain instead?

I’m specifically asking about how consensus works, especially in terms of how Bitcoin Core software determines which blockchain is considered valid and which is orphaned.

We know that accumulated difficulty does not always correlate with the longest chain.

So, there's no guarantee that the longest chain represents the highest amount of proof of work, correct?

Instead, it relies on the difficulty field in the block, right? Not the number of blocks but with leas difficulties.

In short, please clarify that my understanding the higher difficulty but in shorter chain is more reliable than less difficulty accumulated in longer chain.



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